S12 Episode 1

Episode 1

Big Brother has been watching and he's ready to play. The first 12 housemates enter the Big Brother house and one is tasked with a secret mission.

1 h 22 mins · Mon, 8 Jun 2020

S12 Episode 2

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.

1 h 22 mins · Tue, 9 Jun 2020

S12 Episode 3

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.

1 h 21 mins · Wed, 10 Jun 2020

S12 Episode 4

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.

1 h 17 mins · Sun, 14 Jun 2020

S12 Episode 5

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".

1 h 12 mins · Mon, 15 Jun 2020

S12 Episode 6

Episode 6

Sleep deprivation sets in with the latest House Task, Big Brother sends Housemates in a spin, and there is a huge twist on the horizon. Hosted by Sonia Kruger.

1 h 11 mins · Tue, 16 Jun 2020

S12 Episode 7

Episode 7

Big Brother gives one housemate a second chance to take down the others. As the housemates become ‘Yes Men’, there is another nomination challenge to get stuck into.

1 h 14 mins · Sun, 21 Jun 2020

S12 Episode 8

Episode 8

One housemate decides it’s time to unite the two sides of the house to get rid of a common enemy. But could this big move backfire? Plus a surprise return!

1 h 10 mins · Mon, 22 Jun 2020

S12 Episode 9

Episode 9

With a dark cloud hovering over the house, Housemates must brave the rain if they want to win big. The boys live it up with an advantage over the girls.

1 h 11 mins · Tue, 23 Jun 2020

S12 Episode 10

Episode 10

Things are getting cramped in the house as one housemate plots a risky power play.

1 h 10 mins · Sun, 28 Jun 2020

S12 Episode 11

Episode 11

As alliances shift yet again, one housemate’s willpower could be their strongest ally.

1 h 8 mins · Mon, 29 Jun 2020

S12 Episode 12

Episode 12

They've made it to the top 10, but there are plenty of shocks ahead as the game heats up. A bold plan is hatched, but a costly mistake from one of their own could be the alphas' undoing.

1 h 9 mins · Tue, 30 Jun 2020

S12 Episode 13

Episode 13

They’ve been cut off from the outside world for 28 days but that’s all about to change. Big Brother is placed into lockdown and the game is suspended as the escalating coronavirus pandemic hits home.

1 h 7 mins · Sun, 5 Jul 2020

S12 Episode 14

Episode 14

A shattered Housemate seeks revenge and sets out to bring down an unbreakable alliance.

1 h 7 mins · Mon, 6 Jul 2020

S12 Episode 15

Episode 15

One gravity-defying challenge and two unbreakable bonds but the big power sits with a little package.

1 h 10 mins · Tue, 7 Jul 2020

S12 Episode 16

Episode 16

Paranoia grows and game play takes an unexpected turn as Big Brother saves his most epic twist for last. Big Brother is hosted by Sonia Kruger.

1 h 7 mins · Sun, 12 Jul 2020

S12 Episode 17

Episode 17

Big Brother’s mind games test the housemates’ resolve, while the nomination challenge puts loyalties to the test. Big Brother is hosted by Sonia Kruger.

1 h 8 mins · Mon, 13 Jul 2020

S12 Episode 18

Episode 18

With only four days left in the house, the $250,000 prize is closer than ever as two housemates roll the dice on Big Brother’s biggest twist yet! Big Brother is hosted by Sonia Kruger.

1 h 2 mins · Tue, 14 Jul 2020

S12 Episode 19

Episode 19

The battle lines are drawn for the biggest showdown of the game as the Top 4 for 2020 is decided. Expect two epic challenges and a monster twist when one housemate’s secret power is revealed.

1 h 9 mins · Sun, 19 Jul 2020

S12 Episode 20

Episode 20

All that stands between the Top 4 and a place in the grand final is one incredible nomination challenge. Who will win the power to determine the Final 3 for 2020?

58 mins · Mon, 20 Jul 2020

S12 Episode 21

Episode 21

The live grand finale is here. Three housemates remain but only one will win the title of Big Brother 2020 and the $250,000 prize. Who wins? You decide.

1 h 4 mins · Tue, 21 Jul 2020

Season 12

Big Brother Australia

Where to Watch

Season 12 Episodes

More Seasons of Big Brother Australia