Big Brother — Season 27
39 episodesFirst aired 9 July 2025
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.
E1Episode 1
2.6Jul 20251h 6m
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!
E2Episode 2
3.2Jul 20251h 3m
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?
E3Episode 3
4.0Jul 20251h 5m
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.
E4Episode 4
4.5Jul 202544m
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.
E5Episode 5
4.6Jul 202543m
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.
E6Episode 6
2.8Jul 20251h 4m
BB action, drama, past houseguest cameos, and powers unleashed!
E7Episode 7
4.2Jul 202543m
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!
E8Big Brother: Unlocked 7/25/25
2.5Jul 202543m
Previous BB winners Taylor Hale and Derrick Levasseur host the first ever Big Brother: Unlocked!
E9Episode 9
4.6Jul 202543m
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?
E10Episode 10
4.2Jul 20251h 5m
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.
E11Episode 11
6.0Jul 202543m
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?
E12Episode 12
4.0Aug 202544m
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.
E13Episode 13
4.6Aug 20251h 5m
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?
E14Episode 14
3.8Aug 202543m
Who will the BB Blockbuster save from eviction, and who will be the fourth Houseguest sent packing?
E15Big Brother: Unlocked 8/8/25
2.5Aug 202543m
Taylor and Derrick are back to break down the latest in the world of BB.
E16Episode 16
4.4Aug 202543m
It's an eliminator Head of Household competition... Who will be the last player standing and which Houseguests will hit the block next?
E17Episode 17
5.5Aug 20251h 5m
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?
E18Episode 18
4.0Aug 202543m
It’s time for the nominees to enter the BB Blockbuster Arena! Who will win safety and who will be booted from the house?
E19Episode 19
5.5Aug 202543m
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?
E20Episode 20
4.2Aug 20251h 4m
The Veto is on the line in the legendary OTEV competition. Who will win the golden power?
E21Episode 21
5.0Aug 202543m
Will a showmance be torn apart? It all comes down to who wins safety in the BB Blockbuster…. Plus another Houseguest will be evicted!
E22Episode 22
5.5Aug 20251h 5m
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.
E23Episode 23
4.0Aug 20251h 5m
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?
E24Episode 24
5.0Aug 202543m
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!
E25Episode 25
4.8Aug 202543m
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!
E26Episode 26
4.8Sept 20251h 5m
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.
E27Episode 27
5.4Sept 202543m
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!
E28Big Brother: Unlocked 9/5/25
2.5Sept 202543m
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...
E29Episode 29
4.3Sept 202543m
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?
E30Episode 30
3.0Sept 20251h 5m
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.
E31Episode 31
2.1Sept 202543m
Following a live vote, a Houseguest is evicted and interviewed. The remaining Houseguests then compete to become the next Head of Household.
E32Episode 32
2.8Sept 20251h 25m
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.
E33Episode 33
3.2Sept 20251h 26m
Buckle up, it’s Double Eviction night! A full week of BB gameplay in one action packed night!
E34Big Brother: Unlocked 9/19/25
2.8Sept 202543m
Following double eviction night, special guest James Gunn stops by to breakdown all the drama from the BB House!
E35Episode 35
3.6Sept 202542m
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?
E36Episode 36
4.0Sept 202542m
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!
E37Episode 37
3.2Sept 20251h 4m
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!
E38Episode 38
3.2Sept 202543m
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.
E39Episode 39
3.2Sept 20251h 26m
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!
