Season 27 Plot
This season is the Summer of Mystery as the Houseguests enter the Hotel Mystère, a place where secrets lurk behind every door and nothing is as it seems. This season celebrates the 25-year anniversary of the series as a whole.
Big Brother Season 27 aired on July 9th, 2025.
Watch 'Big Brother' Season 27 Online
Season 27 Episodes
1. Episode 1
16 complete strangers check into Big Brother’s Hotel Mystere, where mysteries lurk around every corner and nothing is as it seems... a maniacal master mind, a secret accomplice a mystery Houseguest and 3 action packed competitions will unleash a summer of suspense, suspects and secrets, challenging our Houseguests like never before!
2. Episode 2
Will the Masterminds accomplice be discovered and ejected, or will they go undetected and join the game? Plus, will a shower create more chaos than the Mastermind? And Vince must nominate three Houseguests, who will hit the block?
3. Episode 3
The Power of Veto is on the line, will it be used to save one of the nominees? Plus, it's a shocking first Veto meeting of the summer.
4. Episode 4
It's the inaugural BB Block Buster! Who will win their way off the Chopping Block? Will it be Amy, Zae, or Kelley who becomes the first evicted? Plus, the Queen of Quarrels goes toe-to-toe with Zae.
5. Episode 5
A new Head of Household will take power! Plus, how will a BB break-in completely shake up the game? And three more Houseguests hit the chopping block.
6. Episode 6
BB action, drama, past houseguest cameos, and powers unleashed!
7. Episode 7
Will, Amy, and Adrian compete in the BB Block Buster! Who will be saved from the block? And who will be the next evicted? Plus, BB legends Taylor and Derrick unlock some big moves!
8. Big Brother: Unlocked 7/25/25
Previous BB winners Taylor Hale and Derrick Levasseur host the first ever Big Brother: Unlocked!
9. Episode 9
Power will shift again as the Head of Household is up for grabs, and which three Houseguests will be nominated for eviction? Plus, Mickey still has a mystery power up her sleeve, will she unleash it tonight?
10. Episode 10
Who will pull off the ultimate heist and score the Power of Veto, and will it lead to another jaw dropping Veto meeting? Plus, we untangle a love triangle.
11. Episode 11
Adrian, Kelley, and Will go to battle in the BB Block Buster! Who will win Safety? And who will be the next Houseguest sent to see Julie?
12. Episode 12
The Head of Household is up for grabs, and then things get crazy when a power is unleashed which turns the house completely upside down.
13. Episode 13
With Mickey stealing Rylie's crown, all hell breaks loose. Plus, who will be nominated for eviction? And the power of Veto is back up for grabs. Will the golden power be used again? Then, are we in store for another shocking Veto meeting?
14. Episode 14
Who will the BB Blockbuster save from eviction, and who will be the fourth Houseguest sent packing?
15. Big Brother: Unlocked 8/8/25
Taylor and Derrick are back to break down the latest in the world of BB.
16. Episode 16
It's an eliminator Head of Household competition... Who will be the last player standing and which Houseguests will hit the block next?
17. Episode 17
The Veto is up for grabs in a BB classic! Who will win prizes, and what will be the punishments? Plus, since night one Zach has harboured a secret power. Will he finally unleash the BB buy-off?
18. Episode 18
It’s time for the nominees to enter the BB Blockbuster Arena! Who will win safety and who will be booted from the house?
19. Episode 19
It's the terrifying Head of Household competition! Who will survive the party slasher and ascend to power, and which three Houseguests will end up on the block?
20. Episode 20
The Veto is on the line in the legendary OTEV competition. Who will win the golden power?
21. Episode 21
Will a showmance be torn apart? It all comes down to who wins safety in the BB Blockbuster…. Plus another Houseguest will be evicted!
22. Episode 22
It's the fallout from Riley's emotional exit. Plus the epic wall competition, who will endure this BB classic to become the new Head of Household? And three more Houseguests will hit the block.
23. Episode 23
It's a Veto Competition to die for! Who will win the golden power, and will it leave the door open for Vince to take a shot at Rachel?
24. Episode 24
Who will the BB Block Buster save from Eviction? Katherine, Kelley, or Ava? And who will be the next player sent packing? Keanu and Rachel go from frenemies back to enemies!
25. Episode 25
Who will become the next Head of Household? And with the last eviction before jury looming, who is hitting the block next? With only four weeks until the winner is crowned, every game move is critical!
26. Episode 26
Tonight at the Veto competition, BB26's Angela is back! Who will win the power of Veto, and will it be used to save a nominee? Plus it leads to another explosive Veto meeting.
27. Episode 27
Ashely and Rachel continue to go scorched earth on Keanu! Will it be Ashley, Mickey, or Vince who wins The BB Block Buster, and punches their ticket to Jury? And which one of them will be sent home? The Mastermind arrives with a perilous proclamation!
28. Big Brother: Unlocked 9/5/25
The final Houseguest evicted pre-Jury and Lance Bass stop by to dish on the latest drama from inside the BB House. Plus get an exclusive first look at the biggest twist this season; The White Locust...
29. Episode 29
The final nine celebrated making it to jury, but their jubilation will soon turn to ruination because the Masterminds month of mayhem begins tonight with an invitation to the mysterious White Locust resort. It will be a grueling night of gameplay ending in one player's shocking demise! Which houseguest will be the first member of the jury?
30. Episode 30
Tonight it's the fallout from the most shocking twist of the season! Plus, who is the next Head of Household, which three Houseguests will hit the block? And the Veto is on the line in BB Comics.
31. Episode 31
Following a live vote, a Houseguest is evicted and interviewed. The remaining Houseguests then compete to become the next Head of Household.
32. Episode 32
The surviving seven face their biggest challenge yet... Zingbot! That's right the king of zing is back to roast the houseguests! Then a new Head of Household will be crowned, three nominees hit the block, and a Veto will be won.
33. Episode 33
Buckle up, it’s Double Eviction night! A full week of BB gameplay in one action packed night!
34. Big Brother: Unlocked 9/19/25
Following double eviction night, special guest James Gunn stops by to breakdown all the drama from the BB House!
35. Episode 35
With the final five set the Mastermind's Month of Mayhem kicks into high gear. Who will win a brutal battle of endurance and take power?
36. Episode 36
Will the Power of Veto be Keanu's last chance to save himself? The Mastermind returns to oversee his evil Eviction! Who will be sent to Jury? And who will make the final 4? Messages from home send Vince spiraling!
37. Episode 37
The Final Four is set! Who will win the Head of Household, and earn a spot in the top three? It's the final, and the most important veto competition of the season! By the end of the night, another Houseguest will be sent to Jury!
38. Episode 38
One week before the finale. The final three is set! Let's take a look back at this season and hear what the Jury members are thinking of the game thus far.
39. Episode 39
The final three go to battle against each other for the power to cast the last eviction vote of the season and the jury returns to pick a winner! Also before the night is through the Mastermind will finally be unmasked!
