Plot summary
Part 1: The Night of the Nasty Nostril Nuggets
Ms. Ribble's fourth-grade English class has demonstration speech day. The first two boys got a D+ (since they had not prepared for it). Stephanie Yarkoff and Jessica Gorgon tried to cook Lasagna in a pop-up toaster. Then, George and Harold show off the "Squishy"; two ketchup packets under the bumps of a toilet seat which will squirt the ketchup on whoever sits on the seat. But Melvin then forces everyone to watch his demonstration, the "Combine-o-Tron 2000", which he uses to combine his hamster Sulu with a bionic hamster body he built. Melvin then orders Sulu to do some tricks for the class, but the hamster is unaware of what happened, causing Melvin to threaten to spank him. Sulu's "instincts" kick in and cause him to spank Melvin himself using his new bionic powers, causing Melvin to disown Sulu harshly. After watching the scene, George and Harold adopt Sulu, who happily joins the two. Meanwhile, Ms. Ribble uses a Squishy on an already grumpy Mr. Krupp, who believes that George and Harold are responsible, additionally seeing other Squishy victims. When Mr. Krupp finds them in the lunchroom, Melvin immediately tattles on the boys and Mr. Krupp sends them to detention, causing them to make a Captain Underpants comic starring Melvin as a dumb tattletale.
Having read the comic, Melvin angrily goes home (after washing his hands in the toilet due to a sign changed by George and Harold earlier that day) and builds a new super-powered robot to combine himself with using the Combine-O-Tron 2000, believing he will be revered and celebrated by the school and town. However, Melvin sneezes at the last second from his allergy to cats and gets combined with the robot and his boogers, turning him into the Bionic Booger Boy, and will remain so for six months until he finishes a molecular separator. As time passes, Melvin becomes a sports star due to his repulsiveness and can use his own drinking fountain. The cold and flu season begins, however, and Melvin makes a huge mess whenever he sneezes. When the class visits a tissue factory, Melvin becomes extremely paranoid to the point of misusing pronouns. When factory owner Snoddy offers free tissues for all in attendance, Melvin becomes gigantic as a natural defense and goes on a rampage, capturing the school secretary Miss Edith Anthrope. George turns Mr. Krupp into Captain Underpants who saves Miss Anthrope. Her wet kisses turn him back to Mr. Krupp and the Bionic Booger Boy devours him, but Sulu defeats the Bionic Booger Boy using large novelty items from nearby warehouses.
When Melvin's parents arrive with the Combine-o-Tron 2000, George suggests reversing the batteries, which surprisingly works, and the Robo Booger Boy is split into Melvin, Mr. Krupp, and three robotic booger globs. However, Mr. Krupp and Melvin begin acting strangely, with Mr. Krupp boasting about the Combine-o-Tron 2000 saving the city, and Melvin threatening the boys with detention. Suddenly, the globs come to life, smash the Combine-O-Tron 2000 and begin chasing George, Harold, Mr. Krupp, Melvin, and Sulu.
Part 2: The Revenge of the Ridiculous Robo-Boogers
The globs, Carl, Trixie, and Frankenbooger, continue chasing George, Harold, Mr Krupp, Melvin, and Sulu. They reach a dead end, but Sulu catches the Robo-Boogers in his mouth and spits them out into space towards Uranus. After several incidents (including Melvin threatening to fire Miss Anthrope), George and Harold realize that Mr. Krupp and Melvin had switched bodies. Since it would take Melvin six months to build another Combine-O-Tron 2000, George suggests going back in time, which makes Melvin snap his fingers, causing Mr. Krupp to turn into Captain Underpants and fly away. George and Harold are forced to tell the secret and Melvin orders them to create a comic about him as a superhero, telling them to give him a cool name and to not make him look stupid, before starting to build a time machine out of a purple Porta Potty. The next day, Melvin is furious that the comic is not what he asked for (George and Harold claimed to have thought he said to give him a stupid name and to not make him look cool), but soon explains to them how the time machine works and warns them about using it two days in a row, saying something will place the world in a catastrophe. He also gives them the "Forgetchamacallit 2000", a ray gun that erases several minutes from one's memory, as well as a decoy Combine-O-Tron 2000 to switch with the real one. George and Harold travel two days back in time.
In the past, George and Harold dress like a man who claims to be giving Melvin's father a science award (which is later referenced in the 'Scientific Disclaimer' of The Adventures of Ook and Gluk: Kung-Fu Cavemen from the Future), but first needing to inspect the Combine-O-Tron 2000. They switch the real invention with the fake one and use the Forgetchamacallit 2000 to erase Melvin's father's memory of what had happened. However, on the way back, the boys encounter Miss Singerbrains the librarian who steals the inventions and plans on reporting them to the police. George and Harold then travel to the Cretaceous period and get a female Quetzalcoatlus, whom they nickname "Crackers". They then fly to Singerbrains, who is driving to the police station. George convinces her she is dreaming because of "the dinosaur's presence", etc. After flying back to the school, Harold returns Crackers, then they erase Singerbrains' memory and travel to the present. Over the last two days, Captain Underpants has been getting himself in trouble, first helping two old ladies cross the street, stopping to rescue a cat from a tree, but accidentally leaving the old ladies up there. Then, he ruins the game for the Jerome-Horwitz football team (having mistaken the Football for a UFO), shortly afterward getting on the bad side of some skateboarders. After Melvin programs the Combine-O-Tron 2000, George and Harold combine Melvin and Captain Underpants and then separate them with their correct minds.
In space, the Robo-Boogers land on a Space Shuttle, hanging on as it returns to Earth, after which they eat it, then begin eating the airport they landed at, growing bigger with each bite. Captain Underpants tries to go off to help but discovers that his powers were moved to Melvin's body, who refuses to help unless George and Harold change the comic. George and Harold refuse and go to help Captain Underpants, after being cornered at a local store, they begin throwing random items stacked outside at the Robo-Boogers. By chance, Carl eats an orange and is killed due to the healthy levels of Vitamin C. While the boys try to throw more oranges at Trixie and Frankenbooger, now cautious, Captain Underpants takes two crates and puts them under the seat of a giant toilet on a building, and makes a deliberately annoying "Underpants Dance", angering the Robo-Boogers, which grab onto the seat to hoist themselves on the building, causing the crushed crates to squeeze orange juice on them (a call-back to the "squishy" prank from the previous book), killing them both.
Soon, the Eyewitness News crew arrives, and Melvin suddenly appears as "Big Melvin" and lies that he defeated the Robo-Boogers, and then tries to make Captain Underpants give up his hero status (including spanking him) though he refuses. George and Harold return with Melvin's machines from the school, first using the Combine-O-Tron 2000 to transfer Captain Underpants's powers back to him, and then using the Forgetchamacallit 2000 to erase the news crew and audience's memories. After the now powerless Melvin throws a tantrum, all the people that Captain Underpants (while in Melvin's body) annoyed recognize Melvin, form an angry mob, and chase him in retribution. When the boys return to their treehouse, George finds out that Harold didn't send Crackers back and had left her with Sulu. George decides she could stay in the present for just one night but they had to return her tomorrow. But the next day, when George, Harold, and Sulu are ready to take Crackers back where she belongs, the time machine malfunctions because it was used for two days in a row.
Comics
Captain Underpants and the Terrifying Tale of the Tattle-Tron 2000 (From Part 1)
Melvin is a huge snitch who tattles on everything. One day, Melvin tells on a bank robber to the police, which makes him so famous that he wins the election he takes by a landslide. Melvin first becomes Mayor. Over the days people make him the protector of the town, that makes him make a bunch of dumb new rules. The jails fill up so quickly that he is forced to create a giant robot one. Underpants easily escapes out of the robot jail. He does not want to hurt the people inside, but pours a giant bottle of "Mrs. Plop's Prune Juice" into the robot jail's mouth, making it shoot out the prisoners. He then breaks open Melvin's glass dome. Melvin is now sent to the "jail for dumb kids." The town goes back to normal.
Captain Underpants and the War of the Willy Wonder Nerd (From Part 2)
While driven to the nuclear waste dump, a waste barrel falls on a cotton field, where the cotton grows to an unbelievable size. One day, is it made into "Glow In the Dark underwear" and Melvin's mother gives him one from a big sale. Overnight, Melvin grows into a giant. The police spots him the next morning and calls the military. Then Underpants flies in and notices a tag on the back saying it will shrink if washed. Then, Melvin takes Underpants to the lake, but his underwear becomes soaked. Underpants asks a passing bird to pop Melvin, which it does, before Melvin is whisked away to a "Jail for Dumb Stupid Nerds".
Captain Underpants is an illustrated children's graphic novel series by American author and illustrator Dav Pilkey. The series revolves around two fourth graders, George Beard and Harold Hutchins, living in Piqua, Ohio, and Captain Underpants, an aptly named superhero from one of the boys' homemade comic books, who accidentally becomes real when George and Harold hypnotize their cruel, bossy, and ill-tempered principal, Mr. Krupp. From the third book onwards, Mr. Krupp also possesses superhuman strength, durability and flight as a result of drinking alien "Extra-Strength Super Power Juice".
David Murray "Dav" Pilkey Jr. is an American cartoonist, author, and illustrator of children's literature. He is best known as the author and illustrator of the children's book series, Captain Underpants, and its spin-off children's graphic novel series Dog Man, the latter published under the respective writer and illustrator pen names of George Beard and Harold Hutchins, which are also the names of the two protagonists of the Captain Underpants series.
The Adventures of Captain Underpants is an American children's novel by Dav Pilkey, and the inaugural novel of the Captain Underpants series. It was published in September 1997, becoming a hit with children around the world. In the novel, George Beard and Harold Hutchins turn their principal, Mr. Krupp, into the "greatest superhero of all time", The Amazing Captain Underpants. It has spawned many sequels and subseries such as Super Diaper Baby, Dog Man & The Adventures of Ook and Gluk: Kung-Fu Cavemen from the Future.
Ricky Ricotta's Mighty Robot is a series of children's graphic novels written by Dav Pilkey and first seven books illustrated by Martin Ontiveros and all nine books, including two long-awaited sequels, illustrated by Dan Santat. In each book, Ricky Ricotta, a mouse, with the help of his mighty robot, saves the world from an evil villain. Also, the books each have an alien animal from a different planet in order from closest-to-sun to farthest-from-sun including Earth, as the villain of the first book is from Earth. The reader could see the villains being jailed in each series and later notice the familiar villains from previous books.
Captain Underpants and the Attack of the Talking Toilets is an American children's book by Dav Pilkey, another second book in the Captain Underpants book series. It was published on February 1, 1999. It marks the first appearance of the Turbo Toilet 2000, the Talking Toilets, and the Incredible Robo-Plunger, as well as George and Harold's nerdy tattletale nemesis Melvin Sneedly.
Captain Underpants and the Invasion of the Incredibly Naughty Cafeteria Ladies from Outer Space (and the Subsequent Assault of the Equally Evil Lunchroom Zombie Nerds) is the third book of the Captain Underpants series by Dav Pilkey. The series of American children's books are about two fourth graders, George and Harold, and their mean principal Mr. Krupp, who can turn into Captain Underpants. It was published on September 1, 1999. It is the first book to feature the use of 'Extra-Strength Super Power Juice' (an invention of Zorx, Klax, and Jennifer, the antagonists of the book), which is used to give Captain Underpants superpowers later in the book. It has the longest title of all the books in the series, having 25 words. Its "annoyingly long title" becomes a running joke in the later books.
Captain Underpants and the Perilous Plot of Professor Poopypants is the fourth book in the Captain Underpants series written by Dav Pilkey. The book is about a mad scientist named Professor Pippy P. Poopypants becoming a new science teacher at Jerome Horwitz Elementary. However, all the students laugh at his name.
Captain Underpants and the Wrath of the Wicked Wedgie Woman is the fifth book in the Captain Underpants series by Dav Pilkey. It was published on August 29, 2001. It features the reformation of George and Harold's formerly cruel teacher, Ms. Ribble, at the end using the 3-D Hypno Ring through reverse psychology, because the ring causes females to do the opposite of what the bearers of the ring force them to do.
Captain Underpants and the Preposterous Plight of the Purple Potty People is the eighth book in the Captain Underpants series by Dav Pilkey. It was published on August 15, 2006, two years and eleven months after the release of the previous book. This was the last Captain Underpants book to be published for 6 years, until Captain Underpants and the Terrifying Re-Turn of Tippy Tinkletrousers was published in 2012.
The Adventures of Super Diaper Baby is an American children's novel by Dav Pilkey, categorized as part of the author's Captain Underpants series of books as a spin-off to the series. It was published on February 5, 2002. It tells the story about an African-American baby named Billy, who got superpowers after childbirth and came along with his talking pet dog named Danger Dog, who partnered with Deputy Dangerous. Thus, they became superheroes as Diaper Baby and Diaper Dog, while Deputy Dangerous transformed into a poop and took over the world.
Machinesmith is a supervillain appearing in American comic books published by Marvel Comics, most notably as a regular enemy of Captain America. He specializes in robotics, and is able to make convincing robotic doubles of other superhumans. His own mind was ultimately transferred to a robotic body.
Captain Underpants and the Terrifying Return of Tippy Tinkletrousers is a 2012 American children's novel and the ninth book in the Captain Underpants series by Dav Pilkey. It was published on August 28, 2012, six years after the publication of the previous book. Tippy Tinkletrousers is actually Professor Poopypants, as revealed in the previous book. This book explains how Tippy Tinkletrousers arrived at the end of the eighth book, as well as a prequel story of George and Harold in kindergarten explaining how their friendship began and setting the page for their life before Captain Underpants.
The Adventures of Ook and Gluk: Kung-Fu Cavemen from the Future is a graphic novel by Dav Pilkey, the second spin-off of the Captain Underpants series. The book is credited to Captain Underpants characters "George Beard" as the author and "Harold Hutchins" as the illustrator.
Captain Underpants and the Revolting Revenge of the Radioactive Robo-Boxers is the tenth book in the Captain Underpants series created by Dav Pilkey. It was published on January 15, 2013. This book is a continuation of the last one where George and Harold go back in time and team up with cavemen to stop Tippy Tinkletrousers once and for all.
Captain Underpants and the Tyrannical Retaliation of the Turbo Toilet 2000 is a novel by Dav Pilkey and the eleventh book in the Captain Underpants series. It was published on August 26, 2014, and features the second and final speaking appearance of the Turbo Toilet 2000, which was set up in Captain Underpants And The Wrath Of The Wicked Wedgie Woman, where The Harold 2000 kicks a kickball into space crashing into the Robo-Plunger leaking liquid into the Turbo Toilet 2000’s mouth bringing it back to life. Along with this there are the first appearances of many new characters including, George and Harold's duplicates born through time travel, Yesterday George and Yesterday Harold; as well as the Three new pets and Crackers and Sulu's offspring, Dawn, Orlando, and Tony, who are hybrids between a bionic hamster and a pterodactyl.
Animal Crackers is a 2017 animated comedy-fantasy film directed by Scott Christian Sava and Tony Bancroft, written by Sava and Dean Lorey and based on the animal-shaped cookie. The film stars the voices of Emily Blunt, John Krasinski, Danny DeVito, Ian McKellen, Sylvester Stallone, Patrick Warburton, Raven-Symoné, Harvey Fierstein, Wallace Shawn, Gilbert Gottfried, Tara Strong, James Arnold Taylor, Kevin Grevioux and Lydia Rose Taylor. It tells the story of a family who comes across a box of magical animal crackers that turns anyone that consumes a cracker into the animal that the cracker represents and this animal handily saves the circus that the family was associated with.
Captain Underpants and the Sensational Saga of Sir Stinks-A-Lot is the twelfth and final book in the Captain Underpants series, written and illustrated by Dav Pilkey. The book continues after the eleventh book as George, Harold, and their clones switch places, only to find their gym teacher Mr. Meaner has become Sir Stinks-A-Lot, who turns his students into slaves. The boys team up with their adult counterparts to save the world.
Captain Underpants: The First Epic Movie is a 2017 American animated superhero comedy film based on Dav Pilkey's children's novel series Captain Underpants, produced by DreamWorks Animation and distributed by 20th Century Fox. It was directed by David Soren from a screenplay by Nicholas Stoller, and stars the voices of Kevin Hart, Ed Helms, Thomas Middleditch, and Nick Kroll. The film was released during the 20th anniversary of the Captain Underpants series. In the film, fourth-grade pranksters George and Harold hypnotize their humorless principal Krupp into thinking he is a superhero named Captain Underpants. The movie loosely adapts the first, second, fourth, and eleventh Captain Underpants books.
The Jetsons & WWE: Robo-WrestleMania! is a 2017 American direct-to-video animated film starring The Jetsons. It is the fourth co-production between Warner Bros. Animation and WWE Studios.
The Epic Tales of Captain Underpants is an American animated television series produced by DreamWorks Animation Television. It is based on the film, Captain Underpants: The First Epic Movie, which is based on the Captain Underpants book series by Dav Pilkey.
