Big Brother 27 (American season)

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Contents

Big Brother
Season 27
BB27OfficalUS Logo.png
Big Brother 27 title card
Starring Big Brother houseguests
Hosted by
No. of days83
No. of houseguests17
Companion showBig Brother: Unlocked
No. of episodes25
Release
Original network CBS
Original releaseJuly 10, 2025 (2025-07-10) 
present
Additional information
Filming datesJuly 8, 2025 (2025-07-08) 
present
Season chronology
 Previous
Season 26
List of episodes

Big Brother 27 is the twenty-seventh season of the American reality television program Big Brother . The program is an adaptation of the franchise created in 1999 by John de Mol. The season features a murder mystery hotel theme. It premiered on CBS on July 10, 2025, with filming beginning two days prior and running for 83 days, concluding on September 28, 2025. [1] [2] The season also celebrates the 25-year anniversary of the series as a whole.

Format

Big Brother follows a group of contestants, known as HouseGuests, who live inside a custom-built house outfitted with cameras and microphones that record them at all times. [3] The HouseGuests are sequestered with no contact with the outside world. [4] During their stay, the HouseGuests share their thoughts on their day-to-day lives inside the house in a private room known as the Diary Room. [5] [6] Each week, the HouseGuests compete to win power and safety inside the house. At the start of each week, the HouseGuests compete in a Head of Household (HOH) competition. [7] The winner of the HOH competition is immune from eviction and selects two (or, in certain seasons, three) HouseGuests to be nominated for eviction. [8]

Six HouseGuests are then selected to compete in the Power of Veto (POV) competition: the reigning HOH, the nominees, and other players selected by random draw. The winner of the POV competition has the right to either revoke the nomination of one of the nominated HouseGuests or to leave them as-is. If the POV winner uses this power, the HOH must immediately nominate another HouseGuest, other than the POV winner, for eviction. [9]

On eviction night, all HouseGuests vote to evict one of the nominees, though the HOH and the nominees are not allowed to vote. This vote is conducted in the privacy of the Diary Room. The nominee with the most votes is evicted from the house. [10] In the event of a tie, the HOH casts the tie-breaking vote. The last seven evicted HouseGuests comprise the jury and are sequestered in a separate location following their eviction. The jury is only allowed to see the competitions and ceremonies that include all of the remaining HouseGuests; they are not shown any interviews or other footage that might include strategy or details regarding nominations. [11] When there are only two remaining HouseGuests, the jury will vote for the season's winner, who receives a grand prize of $750,000. The viewing public awards an additional prize by choosing "America's Favorite HouseGuest", with the award being worth $50,000. All evicted HouseGuests are eligible to win this award except for those who either voluntarily leave or are forcibly removed for rule violations. [12]

HouseGuests

The cast of the twenty-seventh season of Big Brother.
Top: Zach, Adrian, Lauren, Zae, Rachel, Rylie, Katherine, Vince and Morgan
Middle: Ava, Will, Ashley, Kelley, Mickey and Amy
Bottom: Jimmy and Keanu Big Brother 27 Cast Photo.png
The cast of the twenty-seventh season of Big Brother.

Top: Zach, Adrian, Lauren, Zae, Rachel, Rylie, Katherine, Vince and Morgan
Middle: Ava, Will, Ashley, Kelley, Mickey and Amy
Bottom: Jimmy and Keanu

The initial cast of sixteen contestants was revealed on July 8, 2025. [13] An additional seventeenth contestant was teased prior to the beginning of the season. [14] During the premiere, this was revealed to be season 12 HouseGuest and season 13 winner Rachel Reilly. [15]

NameAgeOccupationResidenceResult
Ashley Hollis25 Attorney New York City, New York Participating
Ava Pearl24 Aura painter New York City, New York
Keanu Soto33 Dungeon master McKinney, Texas
Kelley Jorgensen29 Web designer Burbank, South Dakota
Lauren Domingue22 Bridal stylist Lafayette, Louisiana
Mickey Lee35 Event curator Atlanta, Georgia
Morgan Pope33 Gamer Los Angeles, California
Rachel Reilly
Big Brother 12 & Big Brother 13
40 TV personality Hoover, Alabama
Vince Panaro34 Unemployed West Hills, California
Cliffton "Will" Williams50 College sports podcaster Charlotte, North Carolina
Katherine Woodman23 Fine dining server Columbia, South Carolina Evicted
Day 52
Rylie Jeffries27 Professional bull rider Luther, Oklahoma Evicted
Day 45
Zach Cornell27 Marketing manager Cartersville, Georgia Evicted
Day 38
Jimmy Heagerty25 Strategy consultant Washington, D.C. Evicted
Day 31
Adrian Rocha23 Carpenter San Antonio, Texas Evicted
Day 24
Amy Bingham [a] 43 Insurance agent Stockton, California Evicted
Day 17
Isaiah "Zae" Frederich23 Salesperson Phoenix, Arizona Evicted
Day 10
Notes
  1. Amy entered the house as the Mastermind's secret accomplice, and later became an official contestant after the house failed to identify the accomplice.

Episodes

No.
overall
No. in
season
TitleDay(s)Timeslot (ET) [1] Original release date [1] U.S. viewers
(millions)
Rating (18–49)
Week 1
9371"Episode 1"Day 1Thursday 8:00 p.m.July 10, 2025 (2025-07-10)3.18 [16] 0.6 [16]
Sixteen new HouseGuests enter the house, but excitement turns to chaos when "The Mastermind" appears, kidnaps host Julie Chen Moonves, and steals the "HOH Relic". The HouseGuests are split into two groups of eight. One group—Adrian, Amy, Ava, Lauren, Mickey, Rylie, Vince, and Zach—must solve a massive bridge puzzle to access eight doors, each hiding a clue from Julie. Zach correctly chooses the door where Julie is held, winning $10,000. The other group—Ashley, Jimmy, Katherine, Keanu, Kelley, Morgan, Will, and Zae—searches through a room of fake relics to find the real one. Jimmy finds it and earns the power to choose four HouseGuests—himself, Adrian, Ashley, and Vince—to compete for Head of Household. In the HOH competition, they must balance six cores on their BB Blaster for 10 seconds. Vince succeeds and becomes the first HOH. After the HOH competition, the HouseGuests are surprised by the addition of former player Rachel Reilly to the cast. Then, the Mastermind reveals that one HouseGuest is secretly their Accomplice. If the others correctly identify the Accomplice, the Accomplice will be evicted immediately; if they guess wrong, the Accomplice officially enters the game.
9382"Episode 2"Days 1–4Sunday 8:00 p.m.July 13, 2025 (2025-07-13)2.73 [17] 0.5 [17]
After some discussion, the HouseGuests—except for the Accomplice—secretly vote on who they believe the Accomplice is. Rylie receives 11 votes, while the remaining 5 go to Zae. However, the Mastermind informs them that they are incorrect. A flashback and confessional reveals to the audience that Amy is the Accomplice. In the Diary Room, Zach learns that, until the jury begins, he can use his $10,000 prize to purchase one-time immunity if he is nominated for eviction following a veto meeting. As a late arrival to the game, Rachel is granted immunity from the first eviction, though she must live as a have-not. Three other HouseGuests earn immunity through a Chain of Safety: Rachel grants safety to Will, who then chooses Zach, who completes the chain by choosing Ava. On Day 4, Vince nominates Amy, Ashley, and Zae for eviction.
9393"Episode 3"Days 4–7Wednesday 8:00 p.m.July 16, 2025 (2025-07-16)3.01 [18] 0.6 [18]
Following the nomination ceremony and the fallout from "Showergate," Ashley tearfully confronts Vince in the HoH room, feeling deeply hurt by his decision to nominate her. Meanwhile, Zae remains calm and ready to compete in the upcoming Veto competition. Rachel and Zach are selected to join Amy, Ashley, Vince, and Zae in the "Campsite Caper" Veto competition. For this competition, participants had to inspect three crime scenes by matching shoeprints, tire tracks, and scents, then correctly identify each perpetrator. Ashley won the Golden Power of Veto. Shortly after, a new alliance—the "Heavy Hitters," made up of Jimmy, Morgan, Rachel, Rylie, Vince, and Zach—is quietly formed. On Day 7, Ashley uses the Power of Veto to remove herself from the block, prompting Vince to nominate Kelley as her replacement. Tensions escalate afterward when Jimmy calls out Keanu in front of the house, dramatically labeling him "the true snake."
9404"Episode 4"Days 7–10Thursday 8:00 p.m.July 17, 2025 (2025-07-17)3.17 [19] 0.7 [19]
Immediately after the Veto Ceremony, Keanu approaches Jimmy to clear the air, and the two agree not to target each other moving forward. Meanwhile, Zae grows increasingly concerned about being this week’s target and forms a new alliance—the "Burger Boys," made up of himself, Rylie, Vince, Will, and Zach. Elsewhere in the house, Kelley begins to regret her decision to go up as a pawn. Rachel, meanwhile, starts campaigning for Zae to be evicted if he remains on the block after the upcoming BB Block Buster competition. When Zae hears about her plan, he publicly confronts her. Their heated and awkward exchange makes it clear to the entire house that they’re targeting one another. In the BB Block Buster competition, "Ransom Note," the nominees need to unscramble word clues to identify the item they need to steal. Kelley secures the win, leaving Amy and Zae as the final nominees for the week. On Day 10, Zae is evicted from the Big Brother house by a vote of 9–5.
Week 2
9415"Episode 5"Days 10–11Sunday 8:00 p.m.July 20, 2025 (2025-07-20)3.06 [20] 0.6 [20]
Following Zae’s eviction, tensions escalate as Adrian, Keanu, Will, and Zach express frustration over being on the wrong side of the vote. Keanu becomes suspicious of Will, suspecting he may have flipped to evict Zae over Amy. Meanwhile, Rachel is thrilled to learn that Rylie, going against the Burger Boys, sided with the women to save Amy. Chaos strikes the house when the “Mastermind” breaks into "Hotel Mystère", stealing three powerful game advantages and the HoH key from the safe. In the "BB Break-In" competition, HouseGuests must navigate pitch-black sewers to recover the stolen items. Jimmy finds the missing HoH key, becoming the new Head of Household. Keanu earns the "Mystery Competitor" power, allowing a former HouseGuest to compete in the veto on his behalf. Kelley secures the "Mystery Veto," granting her a chance to compete in a private veto challenge after the standard one. Mickey wins the "HoH Interrogation" power, giving her the ability to anonymously dethrone the HoH—unless correctly identified during a formal interrogation. On Day 11, Jimmy nominates Adrian, Keanu, and Kelley for eviction.
9426"Episode 6"Days 8, 11–14Wednesday 8:00 p.m.July 23, 2025 (2025-07-23)2.93 [21] 0.6 [21]
Sometime after the nomination ceremony, several HouseGuests express their hopes that either Keanu or Kelley will be evicted this week. At the Veto draw, Keanu activates his "Mystery Competitor" power, altering the standard competition rules. Only one HouseGuest is drawn to play: Ava. Keanu continues to irritate others with his communication style, further isolating himself. During the Veto Competition, former Big Brother 20 winner Kaycee Clark enters the house to compete on Keanu’s behalf. The "Caught Creeping" competition, requires players to hold two buttons on a wall until they hear the code word "Creeper" — announced by Big Brother 25's Felicia Cannon. Once the word is heard, players race down a lane to press their buzzer, with one HouseGuest eliminated each round. Kaycee secures the Power of Veto, handing it over to Keanu, who then removes himself from the block. In his place, Jimmy nominates Amy. Kelley activates her "Mystery Veto" power, giving her the opportunity to compete in a solo challenge called "The Case of the Mystery Veto". She successfully solves the puzzle, allowing her to remove herself from the block as well. Forced to name a new nominee, Jimmy selects Will.
9437"Episode 7"Days 14–17Thursday 8:00 p.m.July 24, 2025 (2025-07-24)3.00 [22] 0.5 [22]

After making five nominations this week, Jimmy draws criticism from Mickey and Morgan for not collaborating with them—especially over his decision to nominate Will. Most HouseGuests view Jimmy’s nominations as safe gameplay. Meanwhile, Katherine and Lauren rally to evict Amy, feeling more secure aligning with the men in the house. Rachel, however, pushes for Adrian’s or Will's eviction, seeing them as a stronger threat. In the BB Block Buster competition, "Puzzling Prints," HouseGuests race to complete a 12-piece puzzle. Adrian secures the win and removes himself from the block. On Day 17, Amy is evicted from the Big Brother house by a unanimous 13–0 vote.


Note: Taylor Hale and Derrick Levasseur join Julie Chen Moonves on stage to discuss the special bi-weekly Friday episodes of Big Brother: Unlocked.
Week 3
9448"Big Brother: Unlocked 7/25/25"N/A [a] Friday 8:00 p.m.July 25, 2025 (2025-07-25)1.53 [23] 0.2 [23]

In Big Brother: Unlocked, former Big Brother winners Derrick Levasseur (from season 16) and Taylor Hale (from season 24) were joined by mystery celebrity guests and surprise Big Brother alumni to recap and revisit the first two weeks of the season. Some segments include, "Big Move/Bad Move", "BB Fantasy Draft", "Binge Worthy or Cringe Worthy" and "Wine or Whine". [24]


Note: Surprise guests include Chelsie Baham, winner of Big Brother 26 , fantasy sports analyst Matthew Berry, former SNL cast member Bobby Moynihan, Nicole Franzel, winner of Big Brother 18 and recent evictee Amy Bingham. [25]
9459"Episode 9"Days 9, 16–18Sunday 8:00 p.m.July 27, 2025 (2025-07-27)3.04 [26] 0.5 [26]
After Amy's eviction, Rachel is feeling at her lowest point in the house, while Jimmy hopes to regain favor with his allies following his controversial Head of Household reign. In the “Twin Witness News” Head of Household competition, HouseGuests must correctly answer a series of true-or-false questions based on events witnessed by former Big Brother 17 HouseGuests, Julia and Liz Nolan. Lauren emerges victorious, becoming the new Head of Household. Meanwhile, Mickey and Morgan are unsure where Lauren stands in the game and consider whether Mickey should use her secret power to steal Lauren’s HoH reign. Vince congratulates Lauren on her win and attempts to gauge her thoughts on nominations. Lauren considers nominating Keanu, a frequent house target, and just needs two easy nominees to sit beside him on the block. Kelley once again volunteers to go up, leaving Lauren to choose one more. She debates between Adrian, Ashley, and Will—each of whom has already faced the block this season. On Day 18, Lauren officially nominates Keanu, Kelley, and Will for eviction.
94610"Episode 10"Days 16–21Wednesday 8:00 p.m.July 30, 2025 (2025-07-30)3.02 [27] 0.6 [27]
After becoming the third nominee, Will is frustrated that Lauren has put him back on the block, especially with so many HouseGuests still in the game. At the veto draw, Vince and Ashley are selected to compete alongside Lauren and the three nominees. In the "Basement Break In" Power of Veto competition, players must retrieve a crystal through a laser maze in the shortest amount of time. Keanu clockes the fastest run, securing the Power of Veto and a prescreening of The Bad Guys 2 . Hoping to rebuild trust and remake allies, he invites Ava, Jimmy, and Rachel to watch the movie with him. Meanwhile, both Ashley and Adrian grows anxious about becoming potential replacement nominees. Vince lobbies for Ashley to go up, suspecting she is targeting him. However, Rachel sees Vince as Lauren’s closest ally and cautions Lauren not to let anyone, especially Vince, take control of her Head of Household reign. Meanwhile, the girls in the house begin campaigning to save Ashley, shifting momentum toward nominating Adrian instead. At the Veto Ceremony, Keanu uses the Power of Veto on himself. Lauren names Adrian as the replacement nominee.
94711"Episode 11"Days 21–24Thursday 8:00 p.m.July 31, 2025 (2025-07-31)2.96 [28] 0.6 [28]
With the final nominees set, Adrian, Kelley, and Will rally to secure the seven votes needed to stay in the game. Meanwhile, Morgan realizes she’s caught between two opposing final threes—Vince and Zach, and Jimmy and Mickey—and begins to question her relationship with Mickey. Vince and Zach would prefer to see Will evicted this week, while Jimmy and Mickey are pushing for either Adrian or Kelley to go. In the "Study the Study" BB Block Buster, HouseGuests have one and a half minutes to identify the correct number of differences between two nearly identical rooms. Kelley guesses the closest and wins safety from eviction. On Day 24, Adrian is evicted from the Big Brother house by a vote of 8–4, with Zach and Vince voting against him to avoid upsetting the other side of the house.
Week 4
94812"Episode 12"Days 2, 24–25Sunday 8:00 p.m.August 3, 2025 (2025-08-03)3.18 [29] 0.6 [29]
Before the eviction, Ava pulls Vince and Zach into the storage room, urging them to vote to keep Will, warning that the votes aren’t there otherwise. Not wanting to force a tie for Lauren, they change their votes and evict Adrian. In the three-round “Killer Carnival” Head of Household competition, HouseGuests begin in teams of four. Kelley automatically advances to round two after not being selected for a team. Each team selects one member to walk across a track of balance beams and press four buttons in the fastest time. Keanu wins round one, eliminating Ashley, Mickey, Morgan, and Will. In round two, new teams of three compete in a relay race to press all four buttons as quickly as possible. Jimmy, Rylie, and Zach advance to the final round. Now competing individually, HouseGuests must once again cross the balance beam track and hit all four buttons in the fastest time. Rylie wins, becoming the new Head of Household. Back inside, Rylie plans to nominate Ashley, Mickey, and Morgan as his initial nominees. Sensing danger, Mickey activates her "HoH Interrogation" power. Rylie incorrectly guesses that Ashley holds the power, allowing Mickey to overthrow his HoH reign.
94913"Episode 13"Days 21, 25–28Wednesday 8:00 p.m.August 6, 2025 (2025-08-06)3.01 [30] 0.6 [30]
After being dethroned as Head of Household, Rylie confronts Mickey, feeling blindsided and now fearing he could be in danger of being nominated. Mickey plans to target three of the four HouseGuests who were on the wrong side of last week’s eviction vote. On Day 25, Mickey nominates Keanu, Kelley, and Rylie for eviction. With Morgan and Rachel selected to play in the Power of Veto competition, Mickey hopes the nominations remain the same—her main target being Keanu. In the "Flee the Scene" veto competition, HouseGuests must cross a bridge by stepping on one of two tiles that would highlight red or green. When stepping on a green tile, they can proceed to one of the next two tiles, but if they stepped on a red tile they must restart from the beginning. In the final round, Keanu crosses in the fastest amount of time to defeat Rachel and wins the Golden Power of Veto. Rachel begins to advocates for Vince to go up. However, Vince deflects the target onto Jimmy, claiming he’s closely aligned with Keanu. On Day 28, Keanu uses the Veto on himself. Mickey names Jimmy as the replacement nominee.
95014"Episode 14"Days 28–31Thursday 8:00 p.m.August 7, 2025 (2025-08-07)3.17 [31] 0.6 [31]
Jimmy's nomination shocks the house, especially with Will, Rachel, and Ava fully expecting Vince to be on the block. Meanwhile, Lauren, Vince, and Zach celebrate the unexpected move and Jimmy will lose the upcoming BB Block Buster competition so they can evict him this week. Jimmy expresses his loyalty to Mickey and warns that nominating him is a major mistake for her game. Ashley, Rachel, and Will scramble to rally votes in an effort to save Jimmy. In the "Safe Crackers" Block Buster, HouseGuests must maneuver a ball through a table maze, aiming to land it in three designated target holes. Rylie buzzes in first, securing his safety. On Day 31, Jimmy is evicted from the Big Brother house by a vote of 9–2, with Rachel and Ashley casting the only votes to keep him.
Week 5
95115"Big Brother: Unlocked 8/8/25"N/A [a] Friday 8:00 p.m.August 8, 2025 (2025-08-08)1.44 [32] 0.2 [32]

Former Big Brother winners Derrick Levasseur (from season 16) and Taylor Hale (from season 24) return to recap and revisit the last two weeks of Big Brother. Some segments include, "Big Move/Bad Move", "Terrible Take", "The Rant Room", "Cutting Room Floor" and "Getting Jaggy with It".


Note: Surprise guests include actor Jerry O'Connell, Big Brother 26 winner Chelsie Baham, Big Brother 25 winner Jag Bains, former Big Brother 12 and 13 houseguest Brendon Villegas, The Mastermind and recent evictee Jimmy Heagerty.
95216"Episode 16"Days 24, 30–32Sunday 8:00 p.m.August 10, 2025 (2025-08-10)3.32 [33] 0.6 [33]
Following Jimmy's eviction, Rachel is left feeling alone after losing yet another ally. The house begins speculating about who cast the other vote for Kelley. Meanwhile, Ashley works to cover her tracks, knowing she was the one who cast the rogue vote. Will, aware it was her, subtly helps redirect suspicion away from her. In the "Jack the Dipper" Head of Household competition, HouseGuests face off head-to-head. In each round, they watch Jack the Dipper double-dip into three separate bowls. HouseGuests must identify the bowl that Jack dipped into the most. The first to answer correctly moves on and selects the next two competitors, while the loser is eliminated. In the final round, Ava defeats Will to win the Head of Household. As the new HoH, Ava begins planning her nominations. She assures both Rachel and Zach that they are safe this week. Meanwhile, Mickey learns that Ava is targeting Keanu, Vince, and Ashley. Concerned that Ashley might not survive a vote, she wants to shift Ava's target. After discussions with Mickey and Will, Ava agree Zach may be a more strategic option than Ashley. On Day 32, Ava nominates Keanu, Vince, and Zach for eviction.
95317"Episode 17"Days 28, 32–35Wednesday 8:00 p.m.August 13, 2025 (2025-08-13)3.13 [34] 0.6 [34]
After Ava's nominations, Zach is shocked to find himself on the block, especially after Ava had promised him safety. Morgan expresses concern to Mickey about having two members of their "Melting Pot" alliance, Vince and Zach, nominated. The three begin to suspect that Mickey may have influenced Ava's nominations. Meanwhile, Morgan becomes a growing target as she voices her opinions about Ava's reign as Head of Household. At the Veto draw, Katherine and Will are selected to compete alongside the nominees and the HoH. In the "Elusive Target" Veto competition, HouseGuests must slide a disk, aiming not to score the lowest each round. After each elimination, the eliminated player chooses either a prize or a punishment. At the end of the competition, Keanu, Vince, and Zach each receive a punishment, Will wins a trip to London, Ava walks away with $5,000, and Katherine secures the Golden Power of Veto. As jury talk intensifies, Rachel becomes upset upon learning that Morgan plans to "save" her in the game simply to ensure she sits on the jury. On Day 35, Katherine decides not to use the Power of Veto, leaving nominations the same. Zach decides not to use his "BB Buyoff" power.
95418"Episode 18"Days 35–38Thursday 8:00 p.m.August 14, 2025 (2025-08-14)3.37 [35] 0.6 [35]

After the veto meeting, with Keanu, Vince, and Zach still on the block, the HouseGuests scramble to secure votes for their allies. Morgan is determined to get Keanu out, hoping that either Vince or Zach will win the upcoming Block Buster competition. Meanwhile, Ashley and Mickey go over the voting scenarios, but Ashley becomes increasingly frustrated with Mickey’s controlling behavior in the house. She refers to it as the "Mick-tatorship" when venting to Will and Rachel, who agree with her sentiments. Realizing he may be in danger, Zach regrets not using his secret power. Both Vince and Zach campaign for Morgan’s vote, in case they are the final two nominees. Zach finally reveals his secret power to Morgan, explaining he chose not to use it in order to protect her. In the “Jumbo Gemstones” Block Buster competition, HouseGuests must maneuver colored gemstones, aiming to sort four stacks by color by only moving one gem at a time. Keanu wins the competition, leaving Vince and Zach as the final nominees for the week. On Day 38, Zach is evicted from the Big Brother house by a vote of 8–2.


Note: During the episode, Julie Chen Moonves announced the upcoming 38th season of The Amazing Race, featuring several previous HouseGuests.
Week 6
95519"Episode 19"Days 38–39Sunday 8:00 p.m.August 17, 2025 (2025-08-17)3.47 [36] 0.8 [36]
With Zach now evicted, the house is feeling his loss. Rachel comforts Lauren, while the remaining “Melting Pot” alliance members begin plotting their path forward. Mickey tells Ashley and Will that Rachel may need to be one of the next HouseGuests to go, along with Keanu. Word gets back to Rachel when Ava warns her she could be in danger this week. In the “Party Slasher” Head of Household competition, HouseGuests are given five minutes to study six rooms before answering questions about the items they observed. In the final round, Rachel answers correctly and defeats Morgan to become the new Head of Household. Now in power, Rachel plans to shifts the dynamics of the house. Mickey, Morgan, and Vince begin to worry that they could be her targets, while Ashley, Ava, and Will feel relieved and safe. Keanu encourages Vince to make amends with Rachel. Rachel and Mickey have a conversation about whether she was coming after her. The tension between them is evident, largely stemming from Jimmy’s shocking nomination and eviction. Mickey then tries to throw Kelley under the bus. On Day 39, Rachel nominates Mickey, Morgan, and Vince for possible eviction.
95620"Episode 20"Days 39–42Wednesday 8:00 p.m.August 20, 2025 (2025-08-20)3.04 [37] 0.6 [37]
With the initial nominations set, the house comforts Mickey, Morgan, and Vince. Mickey begins attacking Rachel’s character in conversations with Ashley, Ava, and Will. Up in the HoH room, Morgan confesses to Rachel that she had been targeting her and apologizes. Meanwhile, Rylie and Katherine continue to grow closer. Though Katherine remains more reserved, Rylie is fully invested in their showmance. For this week's Veto Competition, Lauren and Will are selected to join. In the "OTEV the Hogfather", players must find and return the correct HouseGuest's name based on OTEV’s clues. Anyone who returns with an incorrect answer or is the last are eliminated. In round three, Lauren is the only one to return with the correct answer and wins the Golden Power of Veto. Rachel works hard to convince Lauren not to use the veto, while each nominee pitches their case in hopes of being saved. Under pressure from all sides, Lauren weighs her options. Rachel even threatens to "blow up the house" if the veto is used. On Day 42, Lauren uses the Power of Veto to save Vince. In response, Rachel names Rylie as the replacement nominee.
95721"Episode 21"Days 2, 36, 42–45Thursday 8:00 p.m.August 21, 2025 (2025-08-21)3.18 [38] 0.7 [38]

Reeling from Rachel's nomination of Rylie, Katherine is upset with Lauren for using the Veto. The house becomes divided over which nominee to evict, as all three, Morgan, Mickey, and Rylie, are seen as major threats. Vince finds himself conflicted, having promised his vote to each of the nominees. Meanwhile, Mickey begins to rub houseguests the wrong way with her conversations and strategies. Morgan hopes to rally enough support to stay over Mickey or Rylie. A new alliance, "The Judges," forms, consisting of Ashley, Morgan, Rachel, Vince, and Will. In the "Settle the Score" Block Buster competition, nominees must roll a ball down a long ramp, trying to lock in the highest score within a two-minute time limit. Mickey wins the competition, removing herself from the block and leaving Morgan and Rylie as the final nominees. On Day 45, Rylie is evicted from the Big Brother house by a close vote of 5–4.


Note: Taylor Hale and Derrick Levasseur join Julie Chen Moonves on stage to discuss the special Sunday episode of Big Brother: Unlocked with Survivor winner Rob Mariano.
Week 7
95822"Episode 22" [b] Days 31, 42, 45–46Sunday 8:00 p.m.August 24, 2025 (2025-08-24)3.20 [40] 0.7 [40]

Former Big Brother winners Derrick Levasseur (from season 16) and Taylor Hale (from season 24) return to recap and revisit the last few weeks of Big Brother. Some segments include, "Big Move/Bad Move", "BB Breaking News", "The Rant Room", "Wine or Whine" and "Terrible Take". Following the Big Brother: Unlocked portion, the house is left emotional following Rylie’s eviction. Katherine and Kelley are frustrated with those who voted to keep Morgan, while Ava and Vince feel manipulated into doing others’ dirty work. Meanwhile, Mickey continues to clash with Ashley and Will, and some HouseGuests are starting to view Rachel as the biggest remaining threat. In the “Mystère Express” Head of Household competition, players hang on a tilting wall while being doused in water and slime. The first three to fall, Ashley, Will, and Morgan, are named Have-Nots for the week. Katherine and Vince are the final two left, with Vince ultimately winning HOH. Vince voices Mickey as an easy target. Keanu, however, floats the idea of using Rachel as a pawn, as she could have the votes to win the game if she makes it to the end. On Day 46, Vince nominates Ava, Kelley, and Mickey for eviction.


Note: Guests include Survivor winner Rob Mariano, Will's wife Gwen, Big Brother 18 winner Nicole Franzel and actor Jerry O'Connell.
95923"Episode 23"Days 46–49Wednesday 8:00 p.m.August 27, 2025 (2025-08-27)3.45 [41] 0.8 [41]
Mickey feels betrayed by both of her former "Melting Pot" allies, Vince and Morgan. Her messy gameplay further isolates her from Ashley, Morgan, and Will, ultimately making her the biggest target on the block. Meanwhile, Rachel grows increasingly nervous that she could become the replacement nominee. Katherine and Keanu both set their sights on Rachel. At the Veto draw, Keanu and Will are selected to compete. In the Veto competition, "Wine to Die For", players must randomly present two glasses of wine, one poisoned and one safe, to a chosen target, who must then guess which glass is safe. Any HouseGuest who drinks poison twice is eliminated. In the final round, Vince drinks the poisoned wine and Mickey wins the Golden Power of Veto. After the competition, members of the "Judges" alliance each approach Vince individually, urging him not to nominate Rachel. They argue that Katherine would be a safer replacement nominee. Kelley begins to feel hurt by Rachel’s bluntness and frequent side comments. Other HouseGuests continue to view Kelley as a wildcard in the game. On Day 49, Mickey uses the Power of Veto on herself. Vince names Katherine as the replacement nominee.
96024"Episode 24"Days 49–52Thursday 8:00 p.m.August 28, 2025 (2025-08-28)3.36 [42] 0.7 [42]
After the Veto ceremony, Keanu and Kelley feel burned yet again by Vince. Ava has been guaranteed safety from other HouseGuests if she were against either Katherine or Kelley. Meanwhile, Rachel and Keanu continue to flip-flop between frenemies and now full-blown enemies. Keanu also makes an effort to mend his relationship with Vince. Lauren and Ashley discuss the possibility of keeping Katherine over Ava, unaware that Ava is secretly in the room and overhears everything. Determined not to go down without a fight, Katherine rallies for votes to stay. In the "Hilltop Heist" Block Buster competition, nominees must guide a ball down a puzzle-like ramp in the fastest time. Kelley wins the competition, removing herself from the block and leaving Ava and Katherine as the final nominees. On Day 52, Katherine is evicted from the Big Brother house by a vote of 7–1, with Lauren casting the only vote to keep her.
Week 8
96125"Episode 25"Days 52–53Sunday 8:00 p.m.August 31, 2025 (2025-08-31)TBDTBA
Following Katherine’s eviction, Lauren is hurt by the loss of yet another ally. Several HouseGuests start to regret not evicting Kelley back in Week 3, when she sat on the block next to Jimmy. Keanu makes an effort to mend fences with Rachel, regretting having targeted her. Videos begin playing on the Memory Wall. In the "Mystère Moments" HoH competition, players are tested with a series of True or False questions based on the video clips. Keanu answers the final question correctly and becomes the new Head of Household. Keanu sets his sights on Morgan, believing she’s been whispering in Vince’s ear all season and driving his decision making. With the "Frenemies" back on, Keanu and Rachel attempt to align their goals for the week. Vince, sensing the danger, pleads with Keanu not to put him on the block next to Morgan, even promising not to use the Veto on her if he wins it. Keanu isn’t swayed and flatly tells Vince he’ll be nominated. Keanu searches for a third nominee and is stuck between Mickey or Ava. On Day 53, Keanu nominates Mickey, Morgan, and Vince for eviction.
96226"Episode 26"TBAWednesday 8:00 p.m.September 3, 2025 (2025-09-03)TBDTBA
96327"Episode 27"TBAThursday 8:00 p.m.September 4, 2025 (2025-09-04)TBDTBA
Week 9
96428"Big Brother: Unlocked 9/5/25"N/A [a] Friday 8:00 p.m.September 5, 2025 (2025-09-05)TBDTBA
96529"Episode 29"TBATuesday 8:00 p.m.September 9, 2025 (2025-09-09)TBDTBA
96630"Episode 30"TBAWednesday 8:00 p.m.September 10, 2025 (2025-09-10)TBDTBA
96731"Episode 31"TBAThursday 8:00 p.m.September 11, 2025 (2025-09-11)TBDTBA
Week 10
96832"Episode 32"TBAWednesday 8:00 p.m.September 17, 2025 (2025-09-17)TBDTBA
96933"Episode 33"TBAThursday 8:00 p.m.September 18, 2025 (2025-09-18)TBDTBA
Week 11
97034"Big Brother: Unlocked 9/19/25"N/A [a] Friday 9:00 p.m.September 19, 2025 (2025-09-19)TBDTBA
97135"Episode 35"TBASunday 10:00 p.m.September 21, 2025 (2025-09-21)TBDTBA
97236"Episode 36"TBAWednesday 10:00 p.m.September 24, 2025 (2025-09-24)TBDTBA
97337"Episode 37"TBAThursday 8:00 p.m.September 25, 2025 (2025-09-25)TBDTBA
Week 12
97438"Big Brother: Unlocked 9/26/25"N/A [a] Friday 9:00 p.m.September 26, 2025 (2025-09-26)TBDTBA
97539"Episode 39"TBASunday 8:00 p.m.September 28, 2025 (2025-09-28)TBDTBA

Notes

  1. 1 2 3 4 5 This episode showcased events from the previous days in the season. No new or present days were featured.
  2. This episode included an embedded installment of Big Brother: Unlocked [39] that was originally scheduled to air independently on August 22. [1]

Voting history

Color key:

  Winner
  Runner-up
  Head of Household
  Nominated for eviction
  Immune from eviction
  Not eligible to vote
  Won immunity via competition
  Evicted
Big Brother 27 voting history
Week 1Week 2Week 3Week 4Week 5Week 6Week 7Week 8Week 9Week 10Week 11Week 12
Day 83Finale
Head of HouseholdVinceJimmyLaurenRylie
Mickey [a]
AvaRachelVinceKeanu(None)
Nominations
(pre-veto)
Amy
Ashley
Zae
Adrian
Keanu
Kelley
Keanu
Kelley
Will
Keanu
Kelley
Rylie
Keanu
Vince
Zach
Mickey
Morgan
Vince
Ava
Kelley
Mickey
Mickey
Morgan
Vince
Veto winner(s)AshleyKeanu [b]
Kelley [c]
KeanuKeanuKatherineLaurenMickeyMorgan(None)
Nominations
(post-veto)
Amy
Kelley [d]
Zae
Adrian [d]
Amy
Will
Adrian
Kelley [d]
Will
Jimmy
Kelley
Rylie [d]
Keanu [d]
Vince
Zach
Mickey [d]
Morgan
Rylie
Ava
Katherine
Kelley [d]
Ashley
Mickey
Vince
AshleyZaeAmyAdrianKelleyZachRylieKatherineNominated
AvaZae [e] AmyAdrianJimmyHead of
Household
RylieNominated
KeanuAmyAmyWillJimmyZach [d] MorganKatherineHead of
Household
KelleyAmy [d] AmyWill [d] NominatedZachMorganKatherine [d]
LaurenZaeAmyHead of
Household
JimmyZachMorganAva
MickeyZaeAmyAdrianHead of
Household
ZachRylie [d] KatherineNominated
MorganZaeAmyAdrianJimmyZachNominatedKatherine
RachelZae [e] AmyAdrianKelleyVinceHead of
Household
Katherine
VinceHead of
Household
AmyAdrianJimmyNominatedRylieHead of
Household
Nominated
WillAmy [e] NominatedNominatedJimmyVinceRylieKatherine
KatherineZaeAmyWillJimmyZachMorganNominatedEvicted
(Day 52)
RylieZaeAmyWillJimmy [d] ZachNominatedEvicted
(Day 45)
ZachAmy [e] AmyAdrianJimmyNominatedEvicted
(Day 38)
JimmyZaeHead of
Household
AdrianNominatedEvicted
(Day 31)
AdrianAmyAmy [d] NominatedEvicted
(Day 24)
AmyNominatedNominatedEvicted
(Day 17)
ZaeNominatedEvicted
(Day 10)
EvictedZae
9 of 14
votes
to evict
Amy
13 of 13
votes
to evict
Adrian
8 of 12
votes
to evict
Jimmy
9 of 11
votes
to evict
Zach
8 of 10
votes
to evict
Rylie
5 of 9
votes
to evict
Katherine
7 of 8
votes
to evict
Notes
  1. Mickey used her "HoH Interrogation" power she earned during the "BB Break In" competition. By activating it, she gained the opportunity to dethrone Rylie as the Head of Household, as long as she went undetected during his interrogation of the house. Rylie misidentified the usurper as Ashley, thereby allowing Mickey to become the new Head of Household.
  2. Keanu used the "Mystery Competitor" power he earned during the "BB Break In" competition. By activating it, Kaycee Clark from Big Brother 20 entered the competition to play on Keanu's behalf. Kaycee won, earning Keanu the Power of Veto and used the veto to remove himself from the block. Jimmy selected Amy to be his replacement nominee.
  3. Kelley used the "Mystery Veto" power she earned during the "BB Break In" competition. By activating it, she earned an opportunity to win a special veto after the Veto Ceremony. Kelley passed the challenge and used the special veto to remove herself from the block. As Keanu had removed himself from the block earlier, he was ineligible to be nominated. Jimmy selected Will to be her replacement nominee.
  4. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 This HouseGuest won the BB Block Buster competition and was saved from possible eviction.
  5. 1 2 3 4 Since Rachel entered the game late, she was granted immunity from the first eviction. Along with herself, three other HouseGuests would also be safe after they completed a Chain of Safety. She chose to grant immunity to Will; Will chose Zach and Zach chose Ava.

Production

Development

Promotional poster for Big Brother 27. BB27US Logo.png
Promotional poster for Big Brother 27.

On May 14, 2025, CBS announced that Big Brother 27 would premiere on July 10, 2025. [43] Promos for the season suggested an overall theme related to secrets and mysteries, with television commercials featuring whispered conversations, and a promotional image of host Julie Chen Moonves posing with a wall of skeleton keys described as being able to "[unlock] unexpected mysteries in the Big Brother house". [44] [45] [46] Filming began on July 8, 2025. [47]

The theme for Big Brother 27 was ultimately revealed to be "A Summer of Mystery", with the house being re-themed as the "Hotel Mystère". [48] The A.I. Arena twist from the previous season was revived as the "BB Block Buster"; as before, the HoH picks three nominees for eviction instead of two, with the three nominees then competing in a challenge for a chance to be saved from eviction. [49] [50]

Release

Broadcast

The season premiered on CBS on July 10, 2025. [51] Thereafter, new episodes are set to air on Sundays, Wednesdays, and Thursdays at 8:00 p.m. eastern time (ET), with Wednesday night episodes lasting 90 minutes long. A new companion show—Big Brother: Unlocked—will air bi-weekly on Fridays beginning July 25; the show will feature additional footage and behind the scenes content, interviews, and guest analysis from alumni of past seasons. [43]

Streaming

Following their broadcast, new episodes stream on Paramount+ and CBS On Demand. As with previous seasons, Paramount+ is also providing access to 24/7 live feeds. The live feeds also stream on Pluto TV in a free advertisement-supported format.

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