Big Brother - Season 12

Big Brother - Season 12

Season 12

The iconic social experiment that launched countless conversations, rivalries, friendships and of course, the bum dance, returns refreshed and ready to capture a whole new generation of fans while rekindling nostalgia for longtime viewers.

Hosted by Mel Tracina, the reboot will feature everything you loved in the noughties: live nominations, live evictions, and all the action live from Dreamworld.

Expect high stakes, unexpected alliances, and classic and heartwarming moments as Big Brother sets the stage for another unforgettable season in Australian television history.

Network
Dates -
Previous Season

Episodes

Episode 1
Season 12Episode 190 min

Episode 1

Big Brother is back at Dreamworld! A new cast of Aussies faces twists, tasks and live evictions. It's the return of the social experiment that changed reality TV forever.

Nov 9, 2025
Episode 2
Season 12Episode 275 min

Episode 2

Four new housemates enter the Big Brother house under the cover of darkness. Big Brother unveils a winter wonderland that will force old and new housemates to break the ice, but one will be evicted.
Nov 10, 2025
Episode 3
Season 12Episode 370 min

Episode 3

The final four housemates descend from the heavens and the King and Queen of the house aren't impressed. While some housemates get close, others better hold on tight because someone will be evicted.
Nov 11, 2025
Episode 4
Season 12Episode 475 min

Episode 4

As two Housemates get close, others are forced to face their deepest fears. With a house divided, one big play changes the game. Hosted by Sonia Kruger.
Nov 12, 2025
Episode 5
Season 12Episode 570 min

Episode 5

Mother Nature unleashes hell as Housemates compete in the most physically gruelling challenge yet. There's a storm brewing inside the house when one person sets off a game of "he said, she said".
Nov 13, 2025

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