Season 27

2025-07-10

40 Episodes

Overview

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.

Episodes

1. Episode 1

2025-07-10

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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

2025-07-13

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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

2025-07-16

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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 - Live Eviction

2025-07-17

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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

2025-07-20

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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

2025-07-23

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BB action, drama, past houseguest cameos, and powers unleashed!

7. Episode 7 - Live Eviction

2025-07-24

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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

2025-07-25

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Previous BB winners Taylor Hale and Derrick Levasseur host the first ever Big Brother: Unlocked!

9. Episode 9

2025-07-27

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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

2025-07-30

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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 - Live Eviction

2025-07-31

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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

2025-08-03

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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

2025-08-06

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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 - Live Eviction

2025-08-07

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Who will the BB Blockbuster save from eviction, and who will be the fourth Houseguest sent packing?

15. Big Brother: Unlocked 8/8/25

2025-08-08

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Taylor and Derrick are back to break down the latest in the world of BB.

16. Episode 16

2025-08-10

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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

2025-08-13

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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

2025-08-14

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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

2025-08-17

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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?