The series was renewed for a second season, months before the first season's premiere[1] with a third season announced.
On January 28, 2021, members of the cast stated that the series would not return for a fourth season, with the series finale aired on February 15, 2021.[2]
Storyboarded by: Trey Buongiorno, Christopher Copeland, Monica Davila, Michael Fong, Stephanie Stine, David VanTuyle & Young Ki Yoon Written by: Sharon Flynn & Paiman Kalayeh
After the events of Big Hero 6, Hiro discovers Baymax's personality chip and proceeds to rebuild his skeleton. Meanwhile, Fred tries to convince the reluctant group to return to crime-fighting as the superhero team Big Hero 6. Elsewhere, Yama is hired by the mysterious Obake to steal an unusual paperweight from Professor Granville, the new dean at SFIT and Hiro's professor. Hiro rushes the rebuilding process and the skeleton malfunctions, escapes, and is captured by Yama and his crew. Yama pressures Hiro to retrieve the paperweight in exchange for the skeleton. With Fred's help, they get it, but Yama double-crosses them. Wasabi, Go-Go, and Honey Lemon arrive, save them, and retrieve the skeleton and paperweight, but Yama creates duplicates of the skeleton, sending them out to attack the city. Yama steals the paperweight which is revealed to have a powerful magnetic energy that affects electric appliances including a train that Aunt Cass is riding on. Big Hero 6 stops the train and Hiro tosses the paperweight into the sky where it safely explodes. The next day, Granville gives Hiro Tadashi's old lab, so he can have a familiar environment to work in, and he joins his friends in becoming the Big Hero 6 while Obake contemplates his next move.
2
2
"Issue 188"
Ben Juwono
Storyboarded by: Trey Buongiorno, Ben Juwono, Max Lawson & Stephanie Stine Written by: Bill Motz & Bob Roth
Professor Granville sets Hiro up with Karmi, a student studying biology. Karmi despises Hiro for replacing her as the youngest student to join SFIT, yet ironically, she has a crush on Hiro's alter ego which she somehow cannot seem to recognize. Meanwhile, Big Hero 6 takes on Barb and Juniper, known collectively as the electricity and pop music powered mother-daughter duo High Voltage. To help, Fred has to visit his arch-nemesis, Richardson Mole who has in his possession issue 188 of Captain Fancy. In the end, Fred's mission turned out to be in regards to Hiro's identity not being noticed; Go-Go takes out High Voltage easily regardless. Hiro realizes that Granville set him up with Karmi to help her become more social. Karmi gains some respect for Hiro but now thinks that he "has it bad" for her.
=Warning starting from this episode. Hiro Baymax Aunt Cass GoGo and Honey Lemon has their new voice actors.
3
3
"Big Roommates 2"
Kathleen Good
Storyboarded by: Aldina Dias, Kathleen Good, Jay Oliva, Kenji Ono & Alan Wan Written by: Jeff Poliquin
After accidentally freezing her apartment and roommate, Honey Lemon asks to stay at Go Go's place causing the latter to become annoyed at the former's positive personality. While moving in, a pathetic criminal named Dibs steals Honey's chem-purse. He soon discovers Alistair Krei's latest invention, a rip-off of Hiro's microbot neurotransmitter, and tries to steal it too. An accident with both devices transforms him into a glob monster, later dubbed Globby, and he begins to upset San Fransokyo. Honey refuses to believe that someone stole her purse, but upon meeting Globby becomes moody and downtrodden. When Big Hero 6 finally confronts Globby, who had kidnapped Krei, Go-Go convinces Honey to give positive advice to him and becomes happy again. However, Globby misinterprets Honey's advice and decides to become a villain instead.
4
4
"Fred's Bro-Tillion"
Stephen Heneveld
Storyboarded by: Stephen Heneveld, David VanTuyle & Young Ki Yoon Written by: Sharon Flynn
Fred is worried about his upcoming Bro-Tillion due to past mishaps involving his mother and billionaire rival Beverly Samantha "Binky" Mole whom Mrs. Frederickson keeps trying to impress. The gang helps Fred get prepared, and Hiro manages to get Aunt Cass to serve as a caterer after a sudden cancellation. During the celebration, however, Mr. Frederickson's rival Baron Von Steamer arrives attempting to kidnap Fred as revenge for Mr. Frederickson's days as Boss Awesome. He kidnaps Wasabi instead, mistaking him for Fred, and the rest of the team contacts Mr. Frederickson for advice. They find Steamer's hideout and Fred uses what he has learned to defeat Steamer, who escapes. Afterward, they hold Fred's Bro-Tillion at Aunt Cass' diner and Mrs. Frederickson overcomes her insecurity about Binky.
5
5
"Food Fight"
Kathleen Good
Storyboarded by: Aldina Dias, Teny Issakhanian, Max Lawson, James W. Suhr & David VanTuyle Written by: ND Stevenson
Ninja-chef Momakase steals a gravity controlling device from Krei. While Big Hero 6 investigate, Hiro accidentally indicates he is not studying to Cass, who goes to Good Luck Alley to look for him. She finds herself at an underground cooking competition against her mean idol- Bolton Gramercy and wins, taking his knives in the process, becoming addicted to the competition. Meanwhile, Momakase's employer Yama, reveals that she only stole half of the gravity device. She steals the other half but turns against Yama to sell the device on the Black Market. Hiro becomes concerned for Cass' late-night runs and discovers her secret. Cass goes up against Momakase who begins to fight Big Hero 6 as well. Cass and Big Hero 6 become victorious and Bolton apologizes with Cass returning his knives from her now large collection.
6
6
"Muirahara Woods"
Stephen Heneveld
Storyboarded by: Monica Davila, David VanTuyle & Young Ki Yoon Written by: Sharon Flynn
Go-Go heads off for some alone time which bothers Hiro, so he, Fred, and Baymax decide to follow her. They discover that she goes to the Muirahara Woods to go bird watching, but they end up getting lost when all their technology including Baymax begins to malfunction. Hiro and Fred encounter Ned Ludd, a real estate developer who went missing after a magnetic meteorite, which he named Bessie, crashed in front of him. Taking it as a sign to turn from technology, he has lived in the woods since. After seeing Baymax, Ludd kidnaps him to throw him off a cliff. Go-Go learns from Wasabi and Honey about Hiro and Fred's predicament and the three meet up with the two to help rescue Baymax. They manage to outsmart Ludd, who injures himself and have Baymax fix him, though he angrily tells them to leave immediately.
7
7
"Failure Mode"
Kathleen Good
Storyboarded by: Travis Blaise, Max Lawson, Matthew O'Callaghan, Kenji Ono & James W. Suhr Written by: Kenny Byerly
Hiro is assigned a project by Granville that involves creating a structure that could withstand an earthquake. Due to procrastinating, Hiro fails and is humiliated. He is given another chance by Granville, but he considers giving up. Meanwhile, Globby returns with the intent of stealing a painting called "City Rises". Big Hero 6 stops him at every turn until Globby accidentally discovers that he can transform himself into any matter (e.g. water, acid, metal, chocolate, etc.). Before fighting him again, Baymax shows Hiro a video of Tadashi almost giving up on creating him which surprises Hiro. The Big Hero 6 return to battle Globby, but this time, he actually makes off with the painting, though Hiro has learned to deal with failure and manages to improve his project. Globby delivers the painting to Obake who reveals a blueprint behind it.
8
8
"Aunt Cass Goes Out"
Stephen Heneveld
Story by: Joe Ansolabehere Teleplay by: Jeff Poliquin Storyboarded by: Trey Buongiorno, Monica Davila, David VanTuyle & Young Ki Yoon
Hiro, concerned about Cass finding out about his place in Big Hero 6, decides to set her up on a date with no success. Meanwhile, Krei introduces his new defense drone, which Hiro points out could potentially be flawed due to some bugs. Dr. Mel Meyers, the creator of the drone, is upset over how Krei is using them and swears revenge. Krei and Cass end up meeting and decide to go out, much to Hiro's consternation. While Hiro spies on them, the rest of the team discovers that when the drones get wet, they attack everyone regardless. Mel uses drone technology to pose as Krei and get his plans back. Big Hero 6 stops him, but the drones once again malfunction and attack with Mel running and putting Cass in danger. Hiro and Baymax defeat the drones and Krei has Mel arrested. Cass breaks up with Krei after seeing him for who he is.
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9
"The Impatient Patient"
Kathleen Good
Storyboarded by: Monica Davila, Aldina Dias, Karen Guo, Teny Issakhanian & James W. Suhr Written by: Bob Schooley & Mark McCorkle
The high octane black ops group, the Mad Jacks, attempt to steal a chip recently bought by Krei. Hiro and Baymax arrive to rescue him, but Hiro suddenly becomes sick. At the advice of his friends, he is forced to stay in bed while the rest go out on night patrol. Hiro sets out on his own but is picked up by one of the Jacks and dropped into a dumpster, breaking his leg. The Mad Jacks manage to get the chip from Krei and deliver it to their employer, Obake. When Big Hero 6 sans Hiro arrives, Obake has the Jacks hang onto it. Hiro quickly creates a robotic replica for him to control and they defeat the Jacks and get the chip back to Krei. This turns out to be part of Obake's plan. Krei searches the chip to find nothing, but Obake gets information from Krei including the identity of Hiro Hamada.
10
10
"Mr. Sparkles Loses His Sparkle"
Kathleen Good
Storyboarded by: Aldina Dias, Max Lawson, Naomi Hicks, Kenji Ono, Teny Issakhanian & James W. Suhr Written by: Paiman Kalayeh
Cass teaches Mochi to slow clap which quickly goes viral upsetting game show host Mr. Sparkles who quickly begins losing his audience. Meanwhile, Hiro tries to invent a new system for Big Hero 6 that will deliver their suits by air, but his ideas seem to fail with Wasabi diagnosing that he has "inventor's block". Mr. Sparkles kidnaps Mochi and puts him in a new and deadly version of his game show stating that if anyone can beat it within the hour, Mochi will go free. Baymax protects Cass while Hiro tries to invent a new device and the rest of the team confronts Mr. Sparkles. Eventually, Go-Go overcomes the challenges, but Mr. Sparkles launches Mochi into space anyway. Hiro releases his new robot, Skymax, to rescue Mochi and use as the team's official suit delivery service. Mr. Sparkles celebrates his newfound infamy.
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11
"Killer App"
Ben Juwono
Storyboarded by: Trey Buongiorno, Michael Fong & Maria Nguyen Written by: Daniel Dominguez
Noodle Burger Boy, the robotic mascot of Noodle Burger, is kidnapped by Obake so he can use his prediction algorithm on Big Hero 6. Granville assigns Hiro and Wasabi with creating a machine that can clean up space debris, but with Hiro's messiness and Wasabi's need for order, the two have trouble working together. Concerned for Noodle Burger Boy, Fred convinces Go-Go and Honey to help search for him and they end up fighting a reprogrammed version of him. They later learn from Krei that his designs were initially for military combat. While finishing up on their project, Baymax is kidnapped by Noodle Burger Boy. Overcoming their differences, Hiro and Wasabi trade suits and manage to defeat him, though he escapes. Noodle Burger Boy reveals his scans of Big Hero 6 to Obake so now he knows all of their identities.
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12
"Small Hiro One"
Stephen Heneveld
Storyboarded by: David VanTuyle, Monica Davila & Young Ki Yoon Written by: Jenny Jaffe
Dr. Trevor Trengrove is giving a lecture at SFIT, but Hiro is not allowed in due to the age restrictions, forcing him as well as Fred and Baymax to listen to children's scientist Wendy Wower. Trengrove kicks out all of the students (Karmi included) except for Wasabi, Go-Go, and Honey and they begin creating defensive weaponry. Hiro ends up spotting Yama and rushes to tell his friends where it is revealed that Trengrove is a phony and Yama threatened him to upgrade his robot Mega Yama. The Big Hero 6 battle and defeat it and Yama escapes. Trengrove comes clean to Wendy, having stolen her thesis and based his career around it, and Wendy forgives him. Later while talking to Wendy, Hiro learns that Granville taught at SFIT years ago and finds a yearbook with her and a student presumed to be a young Obake.
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13
"Kentucky Kaiju"
Ben Juwono
Storyboarded by: Karen Guo, Michael Fong & Trey Buongiorno Written by: Sharon Flynn
Obake has Globby feed self-doubt into Hiro resulting in him creating Nano-Dex, a suit that gives him super strength. While useful at first, the suit causes problems for him at school and he cannot seem to remove it. Mr. Frederickson offers a heart-to-heart chat with Hiro, informing him that he needs to find another hidden strength. Meanwhile, Fred buys the original prop from the monster movie Kentucky Kaiju. Disappointed with its miniature size, he creates a giant "accurate" version which is quickly taken over by Noodle Burger Boy. Hiro, having overworked Nano-Dex and now can remove it, ends up having to defeat Kentucky Kaiju by himself and does so by tricking it into walking on a power line. He finds a data chip created by Obake and figures that someone is messing with him. Obake is pleased with Hiro's deductive capabilities.
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14
"Rivalry Weak"
Stephen Heneveld
Storyboarded by: Monica Davila, David VanTuyle & Young Ki Yoon Written by: Han-Yee Ling
Honey has been taking classes at San Fransokyo Art Institute and does not tell her friends. On Rivalry Week, both colleges attempt to prank one another frightening Honey. While Granville, Wasabi, and Fred guard the cafe, Hiro, Baymax, Honey and Go Go break into SFAI and encounter a secret lab owned by founder Lenore Shimamoto. Honey takes her journal and reads some of it (though some of the pages are blank), but Obake, posing as a curator, tricks her into giving it to him. The Big Hero 6 locate the journal and find Obake who traps them in recreated rooms with tests. The team beat them and Obake flees, leaving the journal behind. The group reveals to Honey that they knew all along that she took SFAI classes and that they do not care. Obake examines the scanned journal and finds hidden formulas on the blank pages.
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"Fan Friction"
Ben Juwono
Storyboarded by: Trey Buongiorno, Michael Fong & Karen Guo Written by: Jenny Jaffe
Karmi begins writing fan fiction about herself and the Big Hero 6 which everyone at SFIT, except Hiro, seems to enjoy. Meanwhile, Obake breaks Momakase out of prison. When Big Hero 6 takes on her, Go-Go tries out one of Karmi's suggested moves and finds out that it works. Soon, Wasabi, Honey, and Fred follow up as well while Hiro cannot seem to accept any of the ideas due to being embarrassed by Karmi's crush on his alter ego. Eventually, Momakase discovers the stories and kidnaps Karmi and has her held on Krei's old laboratory on Akuma Island. Big Hero 6 arrive but are all captured just as the island's structure is to be disintegrated. Hiro reveals that he followed up on Karmi's story and gives Baymax an overdrive mode and they all escape. Hiro thanks Karmi and allows her to continue writing her stories.
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"Mini-Max"
Kathleen Good & Kenji Ono
Storyboarded by: Teny Issakhanian, Ben Juwono, Max Lawson & James W. Suhr Written by: Paiman Kalayeh
Due to Fred's inability to fight crime by himself without causing damage, Hiro comes up with Mini-Max, a miniature "sidekick" to babysit Fred while the rest of the team are in class. Mini-Max ends up being successful, but Fred begins to over-rely on him. Meanwhile, Hiro begins following Granville when he becomes suspicious of her past. He visits a remorseful Callaghan in prison who reveals that Granville was involved in an accident at SFIT many years ago. Hiro runs into Granville at night and she shows him her new security system which is taken over by Obake. Granville explains that she had a student whom she trusted too much and he ended up in an accident that she took the blame for. Fred and Mini-Max come and rescue the two with Fred tricking the system into destroying itself. Afterward, Hiro and Granville begin trusting each other more.
Barb and Juniper, who are upset with each other, each steal a Krei battery so that they can each look for the orb that powers them. Meanwhile, Mole gets on Fred's nerves when he steals his idea for a superhero museum and carries a fake signed photo from "Lizard Guy", resulting in Fred revealing that he is Fredzilla and part of Big Hero 6. Having no concern for their safety, Mole blackmails them with personal favors until he decides to become a member as well with a small red variant of Fred's suit. Barb and Juniper discover that the orb was taken out of the police archive and is in Mole's possession and head to his comic book store where they make up. Go Go and Fred defeat them with the latter rescuing a semi-grateful Mole. When he tries taking the orb for himself, he is electrocuted and forgets their identities.
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18
"Big Problem"
Stephen Heneveld
Storyboarded by: Trey Buongiorno, Johnny Castuciano, David VanTuyle & Young Ki Yoon Written by: Jenny Jaffe
Fred is attacked by a creature that quotes Shakespeare's The Tempest. Meanwhile, billionaire Liv Amara arrives at SFIT to see Baymax, but upon learning that Hiro did not build him, she instead takes an interest in Karmi's extra-dermal nano-receptors making Hiro jealous. The creature then attacks Krei industries as he gives a similar account and connects it to Orso Knox, another scientist who was supposed to visit Fred and Krei. They soon realize that they are both the same and that he plans to attack Amara; the team creates extra titanium variants of their suits and attends Amara's gala where they battle Knox. Just as Knox is about to attack Amara, Karmi uses her invention to defeat him. Amara plans to fund Karmi's project, but compliments the Big Hero 6's uniforms for being unique and Hiro learns to deal with Karmi's success.
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19
"Steamer's Revenge"
Ben Juwono
Storyboarded by: Trey Buongiorno, Karen Guo, Annie Jingyi Li & Stephanie Stine Written by: Paiman Kalayeh
As the gang gets ready for Wasabi's birthday, Hiro gets the idea to finally fish Wasabi's car out of the lake, all the while Obake watches from the shadows. Meanwhile, Fred feels down about not living up to his father's expectations after a statue of Boss Awesome is erected. Go-Go and Honey Lemon update and fix Wasabi's car, but suddenly get a message from Baron Von Steamer who plans another attack unless Boss Awesome comes. With Mr. Frederickson's help, Fred poses as Boss Awesome in an attempt to get at Steamer. Obake uses his radiofrequency device to help the Big Hero 6 realize that the Boss Awesome statue is really Steamer's new machine and the Big Hero 6, along with Wasabi's new car, successfully destroy it and arrest Steamer. Big Hero 6 realizes that Obake wanted something in the water as he turns the H2O into D2O.
Various battle robots have started robbing banks throughout San Fransokyo. With many innocents getting arrested, Big Hero 6 immediately deduces that Yama is behind it. Hiro decides to return to the bot fighting ring to find evidence only to run into Trina, a young bot fighter who Hiro helps and gets a crush on. The rest of the team grows concerned for Hiro's safety and the mission is jeopardized when Hiro gets arrested again and grounded by Cass. He manages to sneak back out and this time makes it to the finals, beating Yama. However, the team learns that Yama has an alibi and Hiro realizes that Trina is behind the thefts. They defeat her robot while she runs away and Hiro thanks his friends for sticking with him. Trina returns to her "father" Obake and it is revealed that Trina is in fact a robot trying to get info on Hiro.
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21
"Obake Yashiki"
Stephen Heneveld
Storyboarded by: Trey Buongiorno, Monica Davila, David VanTuyle & Young Ki Yoon Written by: Sharon Flynn
On Halloween Night, the gang goes to a haunted house, where they are sprayed with a gas that unknowingly places digital imaging lenses onto their eyes. Later the Big Hero 6 set out to stop Noodle Burger Boy's latest crime, but Hiro gets distracted after seeing Tadashi alive and roaming the city at night. He eventually meets his "brother" in the haunted house where he is overjoyed to see him again at first but soon realizes that this was just an illusion created by Obake, caused by the lenses which turn their fears into reality. As the rest of the team faces their worst fears, Noodle Burger Boy steals a high-powered magnet from SFIT. After the events, Hiro and his friends regroup and wonder how Obake knows them so well, while Noodle Burger Boy delivers the magnet to Obake, so he can use it for the machine he is building.
Storyboarded by: Trey Buongiorno, Johnny Castuciano, Karen Guo, Chris Jimenez, Diana Kidlaied, Larry Leker, Mike Tisserand, David VanTuyle, Zane Yarbrough & Young Ki Yoon Written by: Sharon Flynn, Paiman Kalayeh, Han-Yee Ling & Jeff Poliquin
After stopping Globby from stealing a piece of Krei Tech, Hiro learns from Krei that it was a broken piece from a failed energy amplifier. Inspired, Hiro decides to focus on recreating it for open house finals, only to be turned down by a visibly distraught Granville. He nevertheless continues with it, causing him to ignore his friends. Honey tries to do a project on Shimamoto, so she and Wasabi break into her lab and find an old wax filter. Fred concocts a plan to capture Globby by presenting a fake amplifier, but he arrives with Noodle Burger Boy, who unknowingly tampers with Baymax due to Hiro's late arrival. At the open house, Honey plays Shimamoto's message and she reveals herself to be the cause of the "great disaster" in the past. Obake (whose real name is Bob Aken) reveals himself to Granville and has Noodle Burger Boy, Globby, and Momakase attack the open house so he can steal Hiro's amplifier. Afterward, Granville (who is aware of Big Hero 6's identities) explains how she knows Obake. The tampered Baymax kidnaps Hiro and takes him to Obake who reveals his plan to create a star to destroy San Fransokyo so that he can rebuild it with Hiro as his student. Globby has a change of heart and frees Hiro and they unite with the rest to stop the impending destruction. Honey and Globby brace the flood while Go-Go and Wasabi protect the civilians and fight Momakase. Hiro, Fred, and Mini-Max then use Kentucky Kaiju to create a powerful wave that disrupts the star and causes Obake's lair to crumble. Obake frees Baymax and sends him to rescue Hiro while he resigns himself to his fate. Granville decides to pass Hiro for his heroic deeds and he admits that he is unsure if Obake survived.
Season 2 (2019–20)
Bob Schooley announced that unlike season one, season two would be split into two story arcs with the first one titled City of Monsters[24] and the second one titled Fugitives.[citation needed]
Noodle Burger Boy and Trina return with the former malfunctioning and looking for "home" while the latter proceeds to give herself an upgraded robot body. Meanwhile, Hiro is jealous of Karmi's internship at Sycorax, where she has her own lab. To compete with her, he interns at Krei Tech, but Krei has him do demeaning jobs such as getting him coffee and his dry cleaning. The team goes looking for Noodle Burger Boy and fights him where they discover that "home" is in fact Krei Tech, the place where he was built. Noodle Burger Boy kidnaps Krei, Baymax, and Hiro and forces the latter to fix him. Trina arrives to prevent Hiro from saving Baymax and Krei, but Hiro uses a new magnet disk to defeat the villains who escape. Afterward, Krei offers an actual internship to Hiro complete with his own lab which he has to take because he signed a contract.
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2
"Seventh Wheel"
Kenji Ono
Storyboarded by: Steve Hirt, Kenji Ono & Mike Tisserand Written by: Paiman Kalayeh
Momakase makes a secret deal with Amara that involves getting some kind of implant. Later, Momakase robs Fred's house of expensive cheese. Granville begins offering advice to the team that proves to be somewhat helpful, but over time begins to annoy them when she starts to intrude on their hero work. The group suggests Hiro confront her about it, but he refuses to be rebellious this semester. While trying to catch Momakase, she damages Baymax and the group must go without him to capture Momakase at an exclusive dinner being attended by Amara, Krei, and numerous others. The team is locked in a pantry causing Granville to realize her mistakes. She fixes Baymax and they rescue the team from an upgraded and beast-like Momakase. Granville apologizes for her intrusions to Hiro while Momakase escapes in her new animalistic appearance.
Amara visits the Frederickson residence where Hiro asks her how Knox is doing. After giving a vague answer, Hiro begins to suspect that something is wrong. He, Fred, and Baymax visit Sycorax and convince Karmi to check on Knox's condition. When Amara diverts her, she becomes suspicious and the four break into the lower level lab where Karmi realizes that she can cure Knox. Amara arrives and takes Fred away, but Knox is set loose, locking down the whole building. Fred calls the rest of the team just when Knox kidnaps Hiro. Later, Hiro realizes that Knox is still docile and chases him into the sewers, just as the rest of Big Hero 6 does as well. They rescue Knox and return him with Karmi hinting that she does have some concern for Hiro. A newly cured Knox is revealed to be threatened by Amara who can change him back whenever she wants.
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4
"Something's Fishy"
Stephen Heneveld
Storyboarded by: Johnny Castuciano, David VanTuyle & Ae Ri Yoon Written by: Sharon Flynn
While testing out Fred's new chameleon suit, Hiro is informed by Cass that she has set up a date with a girl named Megan Cruz. Megan and Hiro hit it off, especially due to her being "normal", something Hiro actually envies. She sympathetically invites him to her dance which he happily accepts. Meanwhile, Amara breaks High Voltage out of prison. The two want to go straight, but she threatens them and gives them electric eel implants allowing them to use electricity powers without their orb and begin developing voracious appetites. They crash the dance that Hiro and Megan are attending. When Big Hero 6 arrive, they once again plan to go straight, but mutate further and reaffirm their villainy. They fight, but High Voltage flees back to Amara, now fully mutated as eels. Megan's father turns out to be the chief of police and dislikes superheroes.
Globby wants to go back to being Dibs when he realizes that it is difficult to get a job. Honey Lemon gleefully asks Granville to use one of the labs which are overheard by Amara. Honey Lemon has Karmi help her develop a serum, but in the middle of the night, Chris, Amara's assistant steals a sample of Globby. The gang runs the serum on Globby and he successfully turns back into Dibs. While happy at first, he reveals to Felony Carl that he misses having powers. Amara begins doing tests on the sample and creates an angry evil being, later dubbed Nega-Globby by Fred. Amara allows it to escape, where it comes in contact with Big Hero 6. Dibs, realizing they need help, recreates his accident and becomes Globby again, devouring Nega-Globby. Globby finally gets love and attention from citizens, but Nega-Globby is still alive inside of him.
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6
"The Fate of the Roommates"
Kenji Ono
Story by: Jeff Poliquin Teleplay by: Paiman Kalayeh Storyboarded by: Steve Hirt, Wynton Redmond & Sam Szymanski
A trio of futuristic street racers appear in San Fransokyo. Meanwhile, Go Go is getting tired of Honey's intrusions in their apartment. Honey later tells her that she can finally move back into her dorm which surprisingly affects Go-Go. Baymax tries to get her to open up to Honey, but she has trouble being honest about her emotions. The gang learns that the streetcars are all remote-controlled by rich racers in a challenge set up by Mr. Sparkles, who has teamed up with Yama. Felony Carl gives up the information and Fred's butler, Heathcliff, poses as a wealthy socialite so that he can join the racing challenge. The Big Hero 6 discovers that Mr. Sparkles has tricked Yama and despite Heathcliff and Go Go's efforts, Mr. Sparkles escapes. Go-Go finally tells Honey she does not want her to leave and she stays. Mr. Sparkles meets with Amara about upgrades.
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7
"Muira-Horror!"
Stephen Heneveld
Storyboarded by: Johnny Castuciano, David VanTuyle & Ae Ri Yoon Written by: Jenny Jaffe
Krei successfully purchases the Muirahara woods from under Amara. Hiro mentions that technology does not work due to Bessie, the meteor and that it is owned by Ludd, an old friend of Krei's. Amara and her assistant Chris, steal Bessie and give Ludd a patch that slowly transforms him into the Hibagon. Hiro, Krei, and Go Go return to talk to Ludd but end up getting chased by his monstrous form. Meanwhile, the rest of the gang watch over the café until Mochi sneaks out forcing Fred, Baymax, and Mini-Max to go get him. Krei demonstrates his wilderness skills and gets Hiro, Go-Go, and himself out, but Ludd follows them. They fight on the bridge until Mochi attacks Ludd and removes the patch which Hiro finds. Krei decides to keep the Muirahara woods exactly as it is and Hiro and Go Go return Ludd while Amara and Chris work on Bessie.
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8
"Something Fluffy"
Kenji Ono
Storyboarded by: Steve Hirt, Ben Juwono, Wynton Redmond & Mike Tisserand Written by: Han-Yee Ling
Hiro confronts Amara at a Q&A about the recent rise in monsters. Later, Amara creates numerous small creatures called Mayoi and anonymously releases them all over San Fransokyo. The creatures become a hit with everyone, minus Hiro, who deduces that they are a plot by Amara. The Mayoi begin growing bigger and the gang takes theirs to Karmi who reveals that they are plant-based and growing naturally. Soon, the Mayoi become large monsters and Big Hero 6 try to corral them. Mr. Sparkles appears and claims that he was the one behind the recent monsters and takes control of the giant Mayoi. Amara arrives with Karmi and Chris and "aid" Big Hero 6 in defeating the Mayoi while Mr. Sparkles escapes. Amara is hailed a hero, causing suspicion from Big Hero 6. Amara goes into her lab where she has an individual kept in some kind of stasis.
Big Hero 6 encounters Supersonic Sue, a roller-skating speedster villain. They contact Mr. Frederickson who reveals that she was in fact one of the many villains he faced. Meanwhile, Fred attends a Noodle Burger taste testing and runs into Mole and they discover that they have a lot more in common than they realize. The gang visit Steamer in prison, but he is broken out and kidnapped by Sue who convinces him to team up with her despite their rivalry. Mole's friendship with Fred turns out to be a ruse as he steals his Captain Fancy underpants for his own collection. Nevertheless, Fred aids the rest of the team into fighting an overpowered Steamer and Sue but gets unexpected help from Mr. Frederickson as Boss Awesome. He does away with the villains and Fred lets Mole keep the underpants after realizing that he does not have any friends.
Note: This episode was dedicated "in memory" of Stan Lee (the voice of Fred's dad), who died 6 months before the season premiere.
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10
"Lie Detector"
Stephen Heneveld
Storyboarded by: Trey Buongiorno, Johnny Castuciano, Ben Juwono, David VanTuyle & Ae Ri Yoon Written by: Sharon Flynn
The gang learns that Baymax has a built-in lie detector. Hiro amplifies this ability so that he can see if Amara is lying, but it creates an annoying beep sound for lying that begins irritating everyone. Hiro learns that Amara needs gold, which Mr. Sparkles and High Voltage are stealing at the moment. While Hiro, Baymax, and Go Go prevent the theft, the villains manage to escape. Hiro directly asks Amara if "Liv Amara is creating the monsters". She answers "Liv Amara is NOT creating the monsters" which turns out to be true. Amara gets annoyed at Big Hero 6 and she creates a Bessie/Bear hybrid creature to rob the bank of its gold. Big Hero 6 arrive and fights the creature, but they are unable to beat it and it flees with the gold. Amara returns to the Sycorax lab where the person in cryo-stasis is another Amara showing vitals.
Granville forces Hiro to finish his original story assignment for class. He thinks the idea is stupid, especially when Karmi comes in with her Big Hero 6 fanfic, so he decides to write a Big Hero 6 story of his own. Throughout the day, Hiro's friends all contribute to his increasingly jarring and bizarre tale. Meanwhile, Trina, fed up with Noodle Burger Boy, tells him to make himself useful. Taking her words seriously, he creates duplicates of himself that all exhibit different personalities: Emo, Snooty, and Pirate. The Big Hero 6 defeat all of them, but the real Noodle Burger Boy takes control of the rebuilt Kentucky Kaiju to defeat them. They distract him by having him give input on the story and take him out. He returns to Trina who is apparently reviving Obake and Hiro ultimately decides to write a personal story about himself, Tadashi, and Baymax.
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12
"City of Monsters"
Kenji Ono
Storyboarded by: Steve Hurt, Ben Juwono, Wynton Redmond & Mike Tisserand Written by: Jenny Jaffe
Part 1: Karmi is tasked with developing a vaccine for a virus that, unknown to her, is for the real Liv Amara. She resolves to use robotics but does not know much about it. Hiro, after trying to get away from his friends who are trying to protect him, discovers Karmi's plan and confronts her. When Hiro learns that Tadashi needed help when building Baymax, he sympathetically decides to help her, and the two end up bonding and succeeding. Meanwhile, Amara gets Mr. Sparkles, Momakase, and Knox to kidnap Wendy Wower for her help and the Big Hero 6 arrive, with newly upgraded armor, to defeat the three and rescue her. Momakase tells Amara Hiro's identity and she goes after Karmi. She calls Hiro for help and he arrives with Baymax where he fights Bessie. When Hiro reaches Karmi, she has been given a mutating device, transforms, and kidnaps Hiro.
Part 2: Hiro and Baymax are taken to Sycorax and forced to cure the real Liv Amara while the current Amara is actually her clone Diane "Di" Amara; made to search endlessly for a cure for her condition. The rest of the team faces Mr. Sparkles, High Voltage, Momakase, Knox, and Bessie. After gathering them all together, Mini-Max calls upon Ludd to come and coerce Bessie who turns around and depowers the villains back to normal, causing all the villains to be arrested. Hiro and Baymax destroy the virus inside of Liv, but Di wants to transform Hiro into a monster. After a stressful fight, Hiro manages to get through to the mutated Karmi and she fights back. Liv awakens from her coma and sets everything back to normal while Di and Chris are arrested. Hiro discovers that Karmi was taken home by her parents as told by Granville, but is happy to see she is still writing fanfics.
Fugitives
36
14
"Mini-Maximum Trouble"
Kenji Ono
Storyboarded by: Karen Guo, Steve Hirt, Wynton Redmond & Mike Tisserand Written by: Sharon Flynn
Fred discovers Wasabi's phobia of bad luck and challenges it by performing a variety of bad luck rituals. While doing so, however, Mini-Max gets severely soaked with water and short circuits. Afterward, Fred begins to experience increasingly harsh cases of bad luck throughout his day and while crime-fighting. Meanwhile, Hiro learns that Megan is trying to uncover the secret identities of Big Hero 6 for a journalism class, which her father, Chief Cruz, fully endorses. Despite several close calls, Hiro manages to divert Megan's attempts. He discovers that Mini-Max has been sabotaging Fred's day. After short-circuiting, he suddenly has evil intentions and kidnaps Fred. The team comes to his rescue with Fred ultimately defeating him. Hiro waterproofs Mini-Max afterward but learns that Megan has zeroed in on recurring locations of Big Hero 6.
37
15
"El Fuego"
Stephen Heneveld
Storyboarded by: Johnny Castuciano, David VanTuyle & Ae Ri Yoon Written by: Paiman Kalayeh
The gang checks out Mech-Wrestling where they meet El Fuego the "bad guy" of the league. The league's owner, the Mole, wants him to lose constantly due to his status, but he refuses and quits. El Fuego decides to face off against Baymax and constantly taunts him and his programming. Hiro becomes upset as he feels that he is mocking Tadashi's work. Meanwhile, Fred is mad that Mole has ownership of the league, as he does not even like wrestling, and wants to buy it from him. Cass suggests that he simply ignore him as it is the mature thing to do. Hiro creates a duplicate Baymax suit to fight El Fuego, but it is not enough to defeat him. The real Baymax arrives and manages to tire out El Fuego long enough for Fred to subdue him with the Hiro robot double. El Fuego is arrested and Hiro learns that he does not need to defend Tadashi's brilliant work.
Globby has become a beloved figure in San Fransokyo until his appendages start acting up on their own and getting him in trouble with the law. He heads straight to Big Hero 6 for help in clearing his name and they learn that Nega-Globby has begun manifesting itself inside of him and that it will eventually try to assume control. The team must help him in secret as Cruz has put a warrant out for anyone who tries to aid him. They eventually realize that if they make Nega-Globby stronger, he can escape Globby and they do so with Honey Lemon's new formula. After a lengthy battle, they suck up Nega-Globby, but Cruz spots them and puts an arrest warrant out for the team. Globby learns that he can mimic the appearance of anyone and Big Hero 6 decide to use the abandoned Frederickson chocolate factory as their new headquarters.
39
17
"Hardlight"
Kenji Ono
Storyboarded by: Trey Buongiorno, Steve Hirt, Wynton Redmond & Mike Tisserand Written by: Han-Yee Ling
Cruz hires Krei Tech to create advanced anti-vigilante weaponry for them. At the same time, Hardlight, a video game-themed villain, arrives demanding that Big Hero 6 challenge him. Meanwhile, Fred hires Roderick "Roddy" Blair, a friend of his dad's, to help redesign a new lair for them, but is disappointed with his stoic work ethic. The Big Hero 6 tries to stop Hardlight when he robs the local museum, but he kidnaps Cruz. At Roddy's suggestion, the team decides to beat Hardlight with what they know as opposed to getting on his level. The Big Hero 6 fight Hardlight and defeat him with Cruz's help. He escapes, as does the Big Hero 6, with Cruz refusing to change his mind about them. Roddy completes the conference room for the lair, named Basemax, while Hardlight is revealed to be Ian, an employee at Krei Tech.
40
18
"The Present"
Stephen Heneveld
Storyboarded by: Johnny Castuciano, Steve Hirt, David Vantuvle & Ae Ri Yoon Written by: Sharon Flynn
On Christmas Eve, Hiro discovers a present that he believes is from Cass. While at school, he mixes his backpack with Fred's by accident and calls him later to check. Fred does not find the present so he, Hiro, and Baymax begin searching. The present finds its way through Mole, Globby, Krei's assistant Judy and Krei himself who threw it out. At the junkyard, Noodle Burger Boy finds it and takes it away. It is at this point that Baymax reveals that the present is from Tadashi. The team gets together and discovers that Noodle Burger Boy, El Fuego, Mr. Sparkles, Supersonic Sue, and Steamer are having a gift exchange. A fight breaks out over the present with Big Hero 6 winning. Hiro finally opens the present: a miniature snow machine that Tadashi had built with Hiro in the past. The gang uses it to make it snow outside for Christmas.
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19
"Hiro the Villain"
Trey Buongiorno
Storyboarded by: Trey Buongiorno, Karen Guo & Paulene Phouybanhdyt Written by: Jeff Poliquin
Momakase escapes from prison, but Baymax is unable to scan for her. Hiro finds her at his house and she threatens him with revealing his and his friends' identities if he does not help her steal something from Yama. They retrieve a pair of swords that belonged to Momakase's family and soon make their escape once Yama returns, but encounter the rest of Hiro's team. After catching them up on what is going on, Momakase leads the police away so that Hiro and his friends can escape. Meanwhile, Megan continues to search Big Hero 6's identities and interviews Krei and Granville when she notices their many encounters with them. Cruz interviews a remorseful Callaghan who claims no knowledge of them, but Megan becomes intrigued by the fire that killed Tadashi. Upon reviewing the data she attained she surmises that Hiro is at the center of it all.
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20
"Portal Enemy"
Stephen Heneveld
Storyboarded by: Johnny Castuciano, Steve Hirt, David Vantuyle & Ae Ri Yoon Written by: Sharon Flynn
An acrobatic scientist named Celine "Sirque" Simard steals information on Silent Sparrow from Krei. Megan reveals to Hiro that she knows that he and his friends are Big Hero 6 and threatens to tell her father. Hiro invites her to their base to prove that they are necessary to stopping crime, much to the chagrin of his teammates. They have Megan shadow them and learn that Sirque has made a miniaturized teleporter, but it is becoming unstable and sucking things in. Hiro chases Cirque throughout the city until the portal begins getting violent. Together, they manage to stabilize it before it destroys the city and Cirque escapes. Megan decides not to tell her father about Big Hero 6 and writes an article about their importance. Hiro looks at his bodycam footage from the portals and discovers that the original Baymax is still there.
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21
"Fred the Fugitive"
Kenji Ono
Storyboarded by: Steve Hirt, Rie Koga & Mike Tisserand Written by: Paiman Kalayeh
Tired of not doing anything, Fred goes out in his Fredmeleon suit for night patrol with Mini-Max. However, in his incompetence, the suit gets damaged, and the cops arrest him. The rest of the team goes to rescue him and Hiro and Baymax end up leading Cruz away while Go Go, Wasabi, and Honey rescue Fred from the police truck. They hide out at a warehouse where Fred decides to own up to his mistake, but Mini-Max fixes his suit and they escape. Hiro, Baymax, and Cruz end up in Muirahara Woods where they are shot down by Bessie who is violent. Hiro sheds his armor and meets with Cruz who reveals that his hatred for superheroes stems from his father getting killed by a supervillain and Boss Awesome showed up too late. They learn that Bessie had cubs and find them and bring them back to her. Afterward, the team forgives Fred.
A villain named Major Blast appears with the intent to face Fred alone. Fred is scared as he admits that he is incapable of taking on such a serious threat by himself, so Go Go trains him in the new Simmax room. Hiro discovers that Major Blast once fought Boss Awesome back in the past, but that any information regarding the villain is almost nonexistent. Despite the training, Fred cannot stop getting distracted in his usual manner. Fred finally faces Major Blast on his own and, taking Roddy and Go Go's advice, defeats him with his ability to distract people. It is revealed that Major Blast is actually Fred's mom who had used the Major Blast alias to test if Boss Awesome was capable of defending himself and took up the mantle again to test if Fred was ready. Knowing that Fred is a true hero, Fred thanks her for concern.
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23
"Fear Not"
Trey Buongiorno
Storyboarded by: Karen Guo, Steve Hirt & Paulene Phouybanhdyt Written by: Paiman Kalayeh
While Supersonic Stu busts his grandmother Supersonic Sue out of prison, Granville asks Wasabi to substitute for an absent teacher. Wasabi has a fear of public speaking and cannot teach the class without tensing up for six hours. The team tries to train him to overcome his fear but to no avail. They soon battle the Supersonics for the first time, but upon hearing Fred mention Roddy, the Supersonics decide to kidnap him and force him to build a new lair for them. While the rest of the team tries to rescue Roddy, Wasabi finally teaches his class by using Mini-Max as a distraction. They eventually return to help the team in time by tricking them into getting caught by the police. As the team congratulates Wasabi on facing his fears, Krei talks with Cruz to reveal his new line of police protection robots to capture Big Hero 6.
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24
"Legacies"
Stephen Heneveld & Kenji Ono
Storyboarded by: Johnny Castuciano, Karen Guo, Steve Hirt, Rie Koga, David Vantuyle & Ae Ri Yoon Written by: Han-Yee Ling, Jenny Jaffe & Jeff Poliquin
While fighting El Fuego, the Big Hero 6 are confronted by Buddy Guardians, giant robots created by Krei for Cruz. Hiro and Megan sneak into the SFPD station and steal a programming chip from one of the Guardians. Upon examining the data, Hiro learns that the chip has Obake's programming on it. Believing that Obake is back, Hiro tries to warn Cruz, but to no avail. Hiro and Baymax sneak into Krei's office and manage to learn where the Guardians are being made, but the rest of the team fall into a trap set up by Cruz and are caught. Hiro and Baymax find the warehouse and learn that Trina has created the Guardians to obliterate San Fransokyo and make it a haven for robots. She launches her attack and proceeds to kidnap Megan. With Globby's help, the Big Hero 6 rescue her, and Cruz finally accepts them as heroes and learns their identities. Roddy builds a giant robot named Mega-Max, which he and Mini-Max pilot, to defeat the Guardians, while Hiro has several Megabots change the Guardians' AI chips to healthcare. The team successfully defeats Trina and her robot uprising. Later, Honey Lemon, Go-Go, and Wasabi graduate SFIT with Hiro accepting Tadashi's diploma on his behalf. He gives a speech about him to the applause of many.
Season 3 (2020–21)
Beginning with "Mayor for a Day", episodes now have a running time of 11 minutes instead of 22.[37] However, to fit the half-hour timeslot, episodes are stitched together as segments of longer 22-minute episodes.
471"The Hyper-Potamus Pizza-Party-Torium"Trey Buongiorno & Stephen HeneveldStoryboarded by: Johnny Castuciano, Karen Guo, Lior Lev, Sean Petrilak & Paulene Phouybanhdyt Written by: Jeff Poliquin, Mark McCorkle & Bob SchooleySeptember21,2020(2020-09-21)0.12[36]
Fred excitedly wants the team to devote their time to fighting crime, but Wasabi, Honey Lemon and Go Go reveal their plans to search for new jobs since their graduation. They fail to show up to aid the team when battling Noodle Burger Boy who is on a mission to create a new family using other mini A.I. mascots, the Hangry Panda and Crushroom. Hiro succumbs to the same kind of sadness that Fred is experiencing as he worries that their new job to Bragtech will mean them moving to a new city, but Cass comforts him with the knowledge that they will always be friends. Eventually, the team come together to prevent Hyper-Potamus from being taken by Noodle Burger Boy, but end up having to rescue employee Sara. While they fail to stop Noodle Burger Boy to convince Hyper-Potamus to bring his family together, the team promise each other to always be there for one another.
482"Code: Yama"Kenji OnoStoryboarded by: Johnny Castuciano & Paulene Phouybanhdyt Written by: Paiman KalayehSeptember28,2020(2020-09-28)0.28[37]
Megan ran to tell Hiro that Yama escaped from prison once again leaving a message challenging the Big Hero 6 to try to catch him this time. With the help of Chief Cruz, they begin to search several places in San Fransokyo that they find possible targets for Yama, with each one finding nothing. Wasabi suggests that they place microcameras to spy on to see if they find any action by Yama, but this only leads to some misunderstandings with some citizens. Hiro discusses with everyone how Yama may not be doing anything until they realize that he knew they would try to find him in the most valuable places in the city just to use this to distract them so he can steal the most "valuable" thing, but almost no one knows about the Energy Orb from the old High Voltage that is in Richardson Mole's comic book store. When they get there, it was too late. Yama managed to get it, but they will make sure that this will not happen again. The final scene shows Yama using the Energy Orb as a new part of his new Mega Yama.
493"Big Hero Battle"Trey BuongiornoStoryboarded by: Johnny Castuciano & Paulene Phouybanhdyt Written by: Han-Yee LingOctober5,2020(2020-10-05)0.09[38]
4 2 Sing, a K-Pop group, decide to become superheroes and challenge Big Hero 6 to a superhero-off. Despite Big Hero 6's indifference, and Wasabi's love of the group, they are forced into it. While Big Hero 6 continue to stop crime, 4 2 Sing gets all the credit by posing and rack up points, effectively "beating" them. However while giving a concert, Steamer takes over 4 2 Sing's dragon transport with the music group failing to stop him. Big Hero 6 release Mega-Max and defeat Steamer. Afterwards, 4 2 Sing ineptly thank Big Hero 6 by throwing another concert with Wasabi excitedly dancing with them.
504"Better Off Fred"Kenji OnoStoryboarded by: Sean Petrilak & Mike Tisserand Written by: Ricky RoxburghOctober5,2020(2020-10-05)0.12[39]
Fred is heartbroken when he meets Olivia, a girl who shares his love of comics, but dislikes him as she is the cousin of Mole. Mole decides to help him be more approachable at a gala event. However, Olivia is more put off and Mole reveals that he was messing with Fred. The Supersonics arrive and Fred shows off his true self to save Olivia when she is taken hostage. As the Supersonics escape, Fred tells Olivia everything while Olivia reveals that Mole messed with her too; telling her that Fred was a jerk. They decide to go out while Mole, who was hiding from the big fight, remains trapped in a piano, in the last scene it shows the Supersonic Stu receiving a Mysterious letter.
Today Hiro is very overwhelmed. He agreed to be Professor Granville's assistant to help her with some things, but he didn't expect that he wouldn't be able to handle so much at once. Later, he talks to Aunt Cass about it. She doesn't understand why she doesn't go easy on Hiro. He says that the last time she went easy on someone, that person did a lot of damage. After the conversation, Hiro meets Sara, who lost her job because of the Noodle Burger Boy mess, the Pizza-Party-Torium was closed. Upon learning of this, he had an idea and decided to make Sara Professor Granville's new assistant so he would solve his problem. However, he didn't expect that Sirque would appear to steal Professor Granville's room. Luckily, Sara manages to stop the villain with her techniques, making her escape with all of this. Sara becomes Professor Granville's assistant and Sirque receives a mysterious letter.
526"Big Chibi 6"Kenji OnoStoryboarded by: Steve Hirt & Jenessa Warren Written by: Han-Yee LingOctober12,2020(2020-10-12)0.11[41]
Karmi has become a success with creating a webseries based on her Big Hero 6 fanfiction. Hiro is happy to learn that she is back in town for an autograph session and attends. Ian dons his Hardlight persona and crashes the signing by creating chibi duplicates of Big Hero 6. The team fight them in the street, but become overpowered when he makes more. Karmi, having learned about programming since moving away, aids the team in defeating Hardlight who is then unmasked and arrested with him receiving a mysterious letter. Afterwards, Hiro, in costume, and Karmi talk where it is implied that the latter has feelings for Hiro which seems to please him.
537"Mini Noodle Burger Max"Kenji OnoStoryboarded by: Lior Lev & Ae Ri Yoon Written by: Ricky RoxburghOctober21,2020(2020-10-21)0.12[42]
After a night of crime fighting, Baymax and Mini-Max are forced to recharge while the rest of the team take on Noodle Burger Boy and his family. A cave-in in an abandoned subway traps both teams in a flooding alcove, forcing Baymax and Mini-Max to team up with Noodle Burger Boy to rescue their respective groups. They decide to take Steamer's drill, but end up fighting him. As Baymax and Mini-Max's power wind down, Noodle Burger Boy is encouraged by family to share his power; defeating Steamer and using his drill to rescue everyone, with Baymax and Mini-Max's friends happy with the two while Noodle Burger Boy thinks about the possibility of making Baymax and Mini-Max part of his family.
548"Cobra and Mongoose"Stephen HeneveldStoryboarded by: Lior Lev & Ae Ri Yoon Written by: Jeff PoliquinOctober26,2020(2020-10-26)0.11[43]
Fred is attacked by a robotic cobra that Heathcliff destroys. He then announces his intent to leave the Fredericksons as he is in danger. With Hiro's assistance, Fred follows Heathcliff and discovers that he has an arch-enemy named Cobra. Heathcliff was once a secret agent named Mongoose who with the help of Boss Awesome supposedly defeated Cobra, but she has returned to seek revenge. He warns Fred to stay away, but he and Mini-Max arrive to help Heathcliff regardless. With Hiro and Baymax's help they defeat Cobra once again with her winning a mysterious letter and Fred convinces Heathcliff to come back and work for him.
559"The MiSFIT"Johnny Castuciano & Stephen HeneveldStoryboarded by: Sean Petrilak & Mike Tisserand Written by: Ricky RoxburghNovember2,2020(2020-11-02)0.14[44]
Granville calls Hiro to SFIT to help introduce a potential student: 11-year-old Rishi Patel. Rishi is indifferent to SFIT and loves hacking things, including Baymax, which greatly irritates Hiro. Even so, Granville trusts Hiro's efforts to convince Rishi to join them. Meanwhile, Noodle Burger Boy and his family decide to try to take over SFIT and turn it into a robot school. Upon seeing Hiro in his Big Hero 6 costume Battling the robots, Rishi suddenly becomes involved and uses his hacking skills to fight the robots. Afterward, he thanks Hiro for the tour, and Granville assigns him to be his mentor, much to his chagrin.
5610"A Fresh Sparkles"Trey BuongiornoStoryboarded by: Steve Hirt & Jenessa Warren Written by: Ricky RoxburghNovember14,2020(2020-11-14)0.10[45]
Big Hero 6 is shocked to learn that Mr. Sparkles, going by his real name Frank, has recently been employed at the Joe's Diner and has turned over a new leaf. Not wanting to be seen as soft, Honey Lemon tries to out him, but he seems to have changed for the better. A painting is stolen and the team go searching for Mr. Sparkles. However, it is revealed that El Fuego had kidnapped him as revenge for outing him for his crimes. Honey Lemon doubles down on her attacks and defeats El Fuego while Mr. Sparkles returns the painting, proving that he has changed. Honey Lemon returns to her quirky bubbly self. The last scene shows El Fuego receiving a mysterious letter that takes him to a secret meeting with Yama.
5711"Return to Sycorax"Kenji OnoStoryboarded by: Johnny Castuciano & Paulene Phouybanhdyt Written by: Paiman KalayehDecember23,2020(2020-12-23)0.28[citation needed]
Fred ran to tell the others that Liv Amara will close Sycorax because of the events of the previous season and says that this is a great invitation for criminals to rob. The gang hides in Sycorax waiting for someone until a portal appears with Yama in his new mega Yama, Cobra, El Fuego, Sirque, Hardlight and Supersonic Stu titled as the "Big Villain 6" who came begins to search everything in Sycorax, the fight between the two teams leads to several secret areas of the building with equipment that have never been seen before, in the middle of the confrontation Hiro together with Baymax try to dry Yama who led everything but when Sirque tries to use her portal to send them away Hiro dodges giving the villains a chance to escape. In the end Hiro tells his friends what made him dodge that he discovered in his last fight against Sirque while the "Big Villain 6" decide special inside the portal and find something very surprising.
5812"Unmasked"Kenji OnoStoryboarded by: Sean Petrilak & Mike Tisserand Written by: Ricky RoxburghDecember24,2020(2020-12-24)0.23[citation needed]5913Stephen HeneveldStoryboarded by: Sean Petrilak & Mike Tisserand Written by: Ricky RoxburghDecember25,2020(2020-12-25)0.23[citation needed]
Part 1: Today is the day of the famous Blue Sapphire Ball in San Fransokyo, a super important heartthrob event where several celebrities will be there. Meanwhile, Hiro is discussing a plan with the others, already thinking about the possibility of the "Big Villain 6" appearing at the Ball to cause confusion, but Hiro did not expect Aunt Cass to say that he would help with the Ball buffet. No matter what Hiro tries to say to escape, Aunt Cass wants him to help because she can't stand his excuses, even with the others saying that he doesn't need to worry and that they can do it without him. Hiro decides to call the two smartest people he knows to replace him, which are Megan and Rishi. At the ball, the seven keep an eye on every suspicious movement, with them suspecting a woman who was approaching the Sentral stage, revealing herself to be Sirque, who brings the other "Big Hero 6" to the fun begins while Hiro was in the kitchen still thinking about helping.
Part 2: The "Big Villain 6" begin to attack and steal everyone's things at the Ball while fighting the Big Hero 6. But they had a plan. Megan uses her invisibility suit to try to slip between the villains and try to disconnect Mega Yama while the others distract them. Hiro sees this and tries to hide so he can help them, but he can't. Aunt Cass tries to get the two to leave so they don't get hurt. Yama, tired of this and not wanting another defeat for the heroes, shows a secret trick that his Mega Yama can do for these little heroes: "Annihilator" Mode, thanks to the Fighting Chip. Showing that they are in possession of the Original Baymax, Mega Yama is able to counterattack everyone. Outside, Hiro and Aunt Cass start an argument, with her tired of him lying to be able to go somewhere, saying that he will only go when he tells the truth. Hiro, seeing that he has no other option, decides to reveal to her that he is part of Big Hero 6. Even though she wants more answers, he will help his friends by taking down the Big Hero 6. Mega Yama and taking out his chip and getting the original Baymax back, in the end the "Big Villain 6" were arrested and at home Aunt Cass with an angry face says that tomorrow she and Hiro will talk about it.
Noodle Family 6014"Coffee Woman"Stephen HeneveldStoryboarded by: Karen Guo & Antony Mazzotta Written by: Paiman KalayehFebruary1,2021(2021-02-01)0.43[citation needed]
The next morning, Aunt Cass is furious with Hiro for not telling her that he was part of Big Hero 6 all this time and asking how something like this is possible. Hiro tells everything, saying that he became a hero when Tadashi died and wanted to know who did this to his brother, besides wanting to do something nice for people. This makes Aunt Cass freak out because she doesn't want him to end up getting hurt with all this. The conversation doesn't go very far when Honey Lemon receives an alert on the news about Noodle Burger Boy and his sisters attacking Yaki Taco, making the six go to the rescue. Aunt Cass, still worried about Hiro, decides that she won't let him get hurt, so she goes to the garage and uses Hiro's things to try to create her own armor and runs after him. When she gets there, she introduces herself as Coffee Woman and tries to stop them. After several attempts, Hiro saves Aunt Cass but lets Noodle Burger Boy and his sisters escape, but shows Aunt Cass that he can save the day with her, even telling her that before She was also a delinquent delirium when she was young but changed and opened the Café as a way to do something nice for people. In the end, Hiro, moved by her story, finally decides to destroy the Fighting Chip.
Mini-Max suffers a humiliating defeat from Crushroom when she calls him a baby. Later, Mochi runs away from home to avoid going to the vet, but gets trapped in a warehouse ventilation shaft. Hiro has Baymax and Mini-Max exchange chips so that a "Mini-Baymax" can rescue Mochi, while a "Maxi-Max" teams up with Wasabi and Fred to face Crushroom. Hiro and Cass eventually use the microbots to help Baymax rescue Mochi, while Mini-Max suffers another defeat. He is deeply saddened by his loss to Crushroom again before returning to his old body, and Crushroom escapes with Noodle Burger Boy.
6216"The New Nega-Globby"Kenji OnoStoryboarded by: Karen Guo & Antony Mazzotta Written by: Jeff PoliquinFebruary8,2021(2021-02-08)0.19[citation needed]
Globby keeps having nightmares about Nega-Globby. He visits Big Hero 6 where Honey Lemon deduces that he shares a psychic link with him and the group reluctantly agree to have her develop an artificial brain for Nega-Globby to remove his animalistic urges. Nega-Globby becomes well educated, but starts to act pompous and critical of everyone. After insulting him, he leaves, but becomes angry again and attacks the city. The heroes defeat him, but Globby does not want to put him away again as he sympathizes with him. Instead, they give him to Mole as they both enjoy each other's company.
6317"A Friendly Face"Trey BuongiornoStoryboarded by: Karen Guo & Antony Mazzotta Written by: Paiman Kalayeh & Jeff PoliquinFebruary15,2021(2021-02-15)0.11[citation needed]
Mayor Saito is concerned with Krei's idea for an A.I. transit system. Hiro brings in Honey Lemon to add a friendly face to the shuttle that runs on positivity. The new shuttle works incredibly well, but Noodle Burger Boy and his family arrive and steal it with Krei and Saito inside. Hiro, Baymax and Honey Lemon chase them to the dump where the shuttle gives the robot family a pep talk and willingly wishes to join them. Honey Lemon realizes she needs to be negative and the shuttle becomes dismal, draining the robots who flee. Saito turns down Krei and Honey Lemon invites the shuttle home, to Go Go's chagrin.
6418"Shattered Circuits"Kenji OnoStoryboarded by: Lior Lev & Ae Ri Yoon Written by: Jeff PoliquinFebruary27,2021(2021-02-27)0.50[citation needed]
Noodle Burger Boy and his family decide to go to the prison to rescue Trina so she can join their family. Meanwhile, at home, Baymax accidentally reveals that Obake chose not to be saved when his base was collapsing, but he doesn't have much time to think about it when he receives an alert of a prison intrusion, making him and his friends run to see what was happening. Noodle Burger Boy manages to get Trina's head, but they still need to get her body, which is in a locked part of the prison. They run there, but Big Hero 6 stops them. They almost manage to take some of the Obake Chips from some of them, but Noodle Burger Boy uses all his strength to prevent this from happening, managing to put Trina's head on her body. Trina is already preparing to attack the heroes and destroy them to avenge her father. But Noodle Burger Boy asks his sister what she wants to do when she joins the family and they have fun with her, saying that she is tired of his ideas of playing around, and when she says that she can use his sisters' parts to improve her body, that was it. the last straw for Noodle Burger Boy who destroys Trina's body with his laser and leaves with his sisters, even giving some suspicious purple shocks.
6519"Krei-oke Night"Trey BuongiornoStoryboarded by: Seam Petrilak & Mike Tisserand Written by: Bob Schooley & Mark McCorkleMarch7,2021(2021-03-07)0.14[citation needed]
Krei has developed his own karaoke machine, dubbed "krei-oke," and asks Big Hero 6 to help him make it viable for potential customers. Meanwhile, Noodle Burger Boy and his family decide to steal Krei's sound wave machine while the krei-oke show is taking place. During the robbery, several people come up and perform, though Krei isn't getting any positive votes. Eventually, Granville goes and performs just as the robots try to flee with the device. Big Hero 6 suits up and stops them with the help of Sara's final chord. Krei's building is in ruins, and he's only sold one unit; it was to Noodle Burger Boy, who feels betrayed by Sara, which gives him a few more purple shocks.
6620"The Mascot Upshot"Kenji OnoStoryboarded by: Lior Lev & Ae Ri Yoon Written by: Jeff PoliquinMarch25,2021(2021-03-25)1.50[citation needed]
Noodle Burger Boy and his family are searching for a potential new recruit to join them. After another failure, they decide to hold auditions. Big Hero 6 quickly realizes this and sends Mini-Max, in his evil disguise, to join them. The robots are happy to have their new recruit and treat him like family. However, Mini-Max begins to feel guilty for betraying the robots. When the time comes, Big Hero 6 would launch a surprise attack but are captured by a trap set by the robots, who reveal that they already knew Mini-Max was undercover and used this to capture them. Meanwhile, Noodle Burger Boy is alone with Mini-Max, making him question his fellow heroes by giving him the chance to plant one of the Obake Chips in Mini-Max, which causes him to rebel against Big Hero 6. In the end, the five escape, leaving the heroes stunned by everything.
6721"The Grand Prize"Kenji OnoStoryboarded by: Seam Petrilak & Mike Tisserand Written by: Paiman Kalayeh & Mark McCorkleApril18,2021(2021-04-18)0.43[citation needed]
Fred is very depressed after losing Mini-Max to the mascot robots, not even wanting to do anything because of it. Hiro, seeing this, tries to come up with some way to cheer Fred up but has no idea until Megan and Rishi show up to invite him to SanKyūriLand Pier, the amusement park on the San Fransokyo pier. When he sees that Karmi will be there looking at products from his Big Hero 6 FanFiction, he decides to go there and get something for Fred. While at the mascots' hideout, Noodle Burger Boy takes Mini-Max for a ride while Hyper-Potamus, Hangry Panda, and Crushroom decide to surprise him by going to the park to get a prize for their older brother, but they end up choosing the same one as Hiro to give to Fred. So the two trios enter a competition to see who will win the prize, but the mascot robots keep cheating and even accidentally explain to Karmi that Hiro is part of Big Hero 6. With a plan by Hiro, they manage to beat them and win the prize and give it to Fred. Three robot mascots give Noodle Burger Boy a plush that was half destroyed in the competition with them saying they tried to surprise him but Hiro and his friends get in the way again with Noodle Burger Boy once again giving him purple shocks.
6822"Mad Meyers"Kenji OnoStoryboarded by: Johnny Castuciano & Anthony Mazzotta Written by: Paiman KalayehApril25,2021(2021-04-25)0.17[46][failed verification]
One night, Krei Tech is invaded by the Mad Jacks who stole the central archive where all the projects of all the company's products and inventions are located, leaving Krei in panic and desperately calling the Big Hero 6 to catch the thieves. While they are looking for the culprits, Hiro tells his friends about his idea of resigning from Krei Tech since he only goes there to be at the same level as Karmi when she worked at Sycorax, but now that the two are on good terms, he no longer wants to deal with Krei's things. At some point, they locate the Mad Jacks in the news building, going there and confronting the three to discover that the file is not with them but with Dr. Mel Meyers, who was the person who hired the Mad Jacks. So he reveals to everyone watching the news that he stole the file to show that Noodle Burger Boy and the other mascot robots are not what they seem and that they are very dangerous, leaving everyone surprised, but even so, he is arrested along with the Mad Jacks, and Hiro finally decides to resign by blowing Krei's whistle and trying not to get mad about all this.
6923"Woweroo friends"Stephen HeneveldStoryboarded by: Steve Hirt & Jenessa Warren Written by: Paiman KalayehMay17,2021(2021-05-17)0.27[citation needed]
The famous Trevor Trengrove decides to invite Wendy Wower to dinner at the city restaurant to talk since they hadn't talked in a long time. However, he still feels bad about stealing her research and becoming famous because of it, making him very uncomfortable. So, he asks Hiro and his friends for help to act in the best way for her. So, on the night of the dinner, the six disguise themselves as restaurant employees to secretly help Trevor. But things don't go as expected, with Fred getting in the way, Honey Lemon wanting Trevor to praise his work at the Sciencetorium, and a butler who won't leave them alone. At one point, Wasabi accidentally spills on Wendy Wower's clothes, causing her to accidentally discover them in disguise. She gets angry when she finds out, thinking that the butler was also a friend of theirs in disguise. But when she takes off his disguise, it reveals that the butler was Mini-Max. The other employees reveal themselves as Noodle Burger Boy and his sisters, who want to catch Wendy Wower so she can give them upgrades. Then, Noodle Burger Boy He grabs her with his claw and almost manages to escape with her, but Trevor follows them to save her. Meanwhile, the six are already getting ready for help. Noodle Burger Boy, on top of a building, insists that she help them, but the only thing Wendy Wower is interested in is the strange purple shocks on him. The Big Hero 6 arrive, but before they can do anything, Noodle Burger Boy throws Wendy Wower off the building to distract them while they escape, but fortunately, Trevor saves her and apologizes to her. The next day at the Sciencetorium, Trevor becomes Wendy's assistant on her show, and Wendy ends up explaining to Hiro about Noodle Burger Boy's strange purple shocks.
7024"Noodle Burger Ploy"Johnny Castuciano & Stephen HeneveldStoryboarded by: Karen Guo & Anthony Mazzotta Written by: Han-Yee LingMay28,2021(2021-05-28)4.72[citation needed]
When Mini-Max discovers that Fred had half-replaced him with one of Karmi's plushies, he becomes very upset and angry. So he, along with Noodle Burger Boy and his family, capture him and create a robotic copy of Fred with Noodle Burger Boy's consciousness, sending him in the hopes of destroying Big Hero 6's base. The rest of the team, comically, fails to recognize that Fred is not the real Fred, as Mini-Max gave all his information to the robots so they can get closer to their goal. In one of the conversations with Hiro, Noodle Burger Boy discovers that Obake sent Baymax away when his hideout was collapsing, causing his original body to start emitting even more purple shocks. Eventually, Baron Von Steamer attacks a warehouse full of confiscated Sycorax goods to get a type of NeuroWave Synthesizer to use to tell everyone in the city that Steam Time was wonderful, and the team fights him. When robot Fred, with Noodle Burger Boy's consciousness, is about to be destroyed, Mini-Max and the other robots fight Baron Von Steamer. Fred manages to escape and joins Noodle Fred. The robots defeat him and escape while the team reunites, and Noodle Burger Boy secretly retrieves the NeuroWave Synthesizer, already devising a plan to take down the Big Hero 6.
7125"Family Reunion"Kenji OnoStoryboarded by: Johnny Castuciano, Karen Guo, Lior Lev, Sean Petrilak & Paulene Phouybanhdyt Written by: Jeff Poliquin, Mark McCorkle & Bob SchooleyJune21,2021(2021-06-21)2.11[citation needed]7226Stephen HeneveldStoryboarded by: Johnny Castuciano, Karen Guo, Lior Lev, Sean Petrilak & Ae Ri Yoon Written by: Jeff Poliquin, Mark McCorkle & Bob SchooleyJune22,2021(2021-06-22)7.37[citation needed]
Part 1: At the beginning of the day, Hiro watches the latest Baymax video Tadashi downloaded to his phone and wonders if he'll ever be able to help anyone the way Tadashi's videos helped him through difficult times. Meanwhile, in the hideout, Fred ineptly opens a spam email that allows a mysterious virus to enter Basemax. The virus begins to take over all electronics, including the training room robots, the Skymaxes, and, soon, Baymax. Soon, Noodle Burger Boy and his family appear and reveal that they created the virus. The team hides and tries to somehow shut off the hideout's power. As the main power switch is destroyed, Hiro realizes he needs to reach the main battery and turn it off. Arriving there, they are ambushed by the training room robots. Captured and imprisoned, Noodle Burger Boy unleashes a torrent of shocks, revealing his genius plan to transform all the citizens of San Fransokyo and all humans in the world into robots using the NeuroWave Synthesizer and their hideout as his base of operations. He declares to Hiro and his friends that today is the day Big Hero 6 will end forever, accidentally ending the threat. In the end, Noodle Burger Boy turns on the NeuroWave Synthesizer and prepares for his plan to succeed while unleashing a torrent of purple shocks.
Part 2: With Basemax's help, Noodle Burger Boy makes a grand announcement to all the citizens of San Fransokyo about his victory, and everyone immediately obeys him. This causes a great panic when the NeuroWave Synthesizer begins slowly transforming everyone into robots. Hyper-Potamus, Hangry Panda, Crushroom, and Mini-Max (using Honey Lemon, Wasabi, Go Go, and Fred's weapons) along with the robots from the training room prevent the citizens from fleeing the city. Karmi assembles a team with Aunt Cass, Megan, Rishi (with Major Blast's costume), Heathcliff, and even Globby, Roddy, and the Bunny Shuttle to stop Noodle Burger Boy's plan. Karmi repairs the old Baymax and flies to save Hiro while the others try to stop the robots. In the hideout Hiro and the others escape through a hole in the sewer but are chased by the Skymaxes and are then saved by Momakase who doesn't want Noodle Burger Boy ruling everything so he decides to help them. Meanwhile, in the city, the others manage to slowly remove the Obake Chips from all the robots while Hiro manages to reach the top of the hideout to turn off the NeuroWave Synthesizer. But Noodle Burger Boy has already sent Baymax to finish him off, but Karmi and the original Baymax appear and save him. Noodle Burger Boy becomes very angry and decides to finish Hiro off himself while he activates the Mega-Max piloted by Sergeant Suction to deal with the others. In the middle of the fight, Hiro realizes that Noodle Burger Boy's Obake Chip was the thing causing him to give those purple shocks. He tells him that Big Hero 6 took his family away. Hiro becomes familiar with him and says that he feels the same way, even showing the video of Tadashi from his cell phone doing it. Noodle Burger Boy remains calm and gives up on his plan, even letting Hiro take his Obake Chip. Even with the townspeople wanting the four mascot robots out, Hiro (in his costume) tells them to give them a chance because all they need is a family. So in the end, the four now work at Aunt Cass's cafe with all the characters from the series appearing. Karmi gets the original Baymax as a gift, and now everyone is part of the Big Hero 6 family at the end of the series.
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Shorts
Baymax and
A series of short-form episodes began airing on the Disney Channel YouTube channel on May 31, 2018, though they premiered in Europe months earlier.
A three-episode short series called Baymax Dreams premiered on September 15, 2018 simultaneously on Disney Channel and YouTube. The episodes are computer-animated and made through Unity.[47] A second order of episodes was announced, this time featuring a digital Fred interacting with Baymax.[48]
No.
Title
Original release date
1
"Baymax Dreams of Too Many Baymaxes!"
September15,2018(2018-09-15)
2
"Baymax Dreams of Evil Sheep!"
September15,2018(2018-09-15)
3
"Baymax Dreams of Bed Bugs!"
September15,2018(2018-09-15)
4
"Baymax Dreams of Mochizilla"
August8,2020(2020-08-08)
5
"Baymax Dreams of Too Many Freds"
August15,2020(2020-08-15)
6
"Baymax Dreams of Fred's Glitch"
February6,2021(2021-02-06)
Big Chibi 6 The Shorts
In early November 2018, Disney Channel started airing Big Chibi 6 The Shorts, a series loosely based on the opening segment from the episode "Fan Friction". This series depicts the cast of Big Hero 6 in comical "chibi-fied" situations.[49] The chibi animation is used in the closing credits of season 2 and season 3 episodes. Following the release of the series, "chibi-fied" shorts based on other Disney Channel titles, such as Amphibia and Phineas and Ferb were released, known as Chibi Tiny Tales. This was followed by a full fledged monthly television series titled Chibiverse.[50]
No.
Title
Original release date
1
"Making Popcorn"
November6,2018(2018-11-06)
2
"Mochi No!"
November13,2018(2018-11-13)
3
"Save Mochi"
November20,2018(2018-11-20)
4
"Noodle Song"
November20,2018(2018-11-20)
5
"Snoring"
November27,2018(2018-11-27)
6
"Gumball Trouble"
February5,2019(2019-02-05)
7
"Love Letters"
February12,2019(2019-02-12)
8
"Super Charged"
February19,2019(2019-02-19)
9
"Low Battery"
April2,2019(2019-04-02)
10
"Road Trip"
April9,2019(2019-04-09)
11
"Super Driver"
April16,2019(2019-04-16)
12
"Brunch Rush"
April23,2019(2019-04-23)
Baymax & Mochi
During the premiere of season two, a new series started called Baymax & Mochi. This series solely focuses on the titular duo and is done with cel shading.[51]
No.
Title
Original release date
1
"Flowers and Butterflies"
May6,2019(2019-05-06)
2
"Mochi and his Toy"
May14,2019(2019-05-14)
3
"Messy Room"
May21,2019(2019-05-21)
Disney Random Rings
Short segments that originated from Big City Greens that feature Disney Channel characters calling one another and set to Adobe Flash animation. There are several other Disney Random Rings shorts, but this is the first to feature characters from Big Hero 6: The Series.
↑ This episode premiered on Disney XD and Disney Channel simultaneously.
↑ Beginning with this episode, new episodes would premiere on Disney Channel instead of Disney XD. Additionally, this episode was first released on Disney Channel UK's YouTube account on February 16, 2018.
↑ This episode premiered in Australia on March 17, 2018.
↑ This episode premiered in the United Kingdom on March 1, 2018.
↑ This episode premiered in Australia on March 24, 2018.
↑ This episode premiered in Australia on March 31, 2018.
↑ This episode premiered in Australia on April 7, 2018.
1 2 This episode premiered in Germany on April 9, 2018.
↑ This episode premiered in Germany on April 13, 2018.
↑ This episode premiered in Australia on May 5, 2018.
↑ This episode premiered in Spain on June 22, 2018.
↑ This episode premiered in Latin America on July 15, 2018.
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