Last episode
Finale
s04e20 · 2023-12-06 · 08:30
Ended · AU
Big Brother
Seven Network Reality
What it is
Twenty years ago, nine people entered a purpose-built house to be watched 24/7 by Big Brother and it changed TV forever! Life inside the house was fascinating, unpredictable, uplifting, confronting, shocking, surprising, hilarious and above all else, entertaining. In 2020, the world's greatest reality show returns to shake things up. But if you think you know Big Brother, then think again. This time, everything has changed. The thrilling new era of Big Brother begins with a dynamic new house full of incredible surprises, new rules designed to create show stopping twists and a new generation of unique and ambitious housemates determined to outstay each other no matter what Big Brother throws at them. The only question is, when Big Brother returns… are you ready to play? Big Brother is an Endemol Shine Australia production for Channel Seven.
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Episode guide
31 this season · 103 totals02e01 Episode 1 2021-04-26 09:30
Episode 1
Twelve brand new housemates arrive, determined to beat Big Brother at his own game. As they get to know each other, they have to contend with Big Brother's new house, new playground and new tricks.
s02e02 Episode 2 2021-04-27 09:30
Episode 2
After an explosive eviction, new friendships and alliances solidify. But little do they know, eight new housemates are descending via BB Air and they're about flip the game on its head.
s02e03 Episode 3 2021-04-28 09:30
Episode 3
It's party time as housemates old and new get to know each other. But as alliances form, battle lines are drawn. Who will be next to leave the Big Brother house?
s02e04 Episode 4 2021-05-02 09:00
Episode 4
Get ready for a week of surprises, but they're not necessarily all good ones. Which surprise will shake up the entire house?
s02e05 Episode 5 2021-05-03 09:30
Episode 5
It's surprise after surprise as Surprise Week continues. As one housemate's position hangs in the balance, will his big mouth be his downfall?
s02e06 Episode 6 2021-05-04 09:30
Episode 6
Big Brother has the hungry housemates run off their feet and it's a battle royale as carnivore and vegan go head-to-head.
s02e07 Episode 7 2021-05-05 09:30
Episode 7
Surprise Week ends with the biggest shock of them all when Big Brother's secret attic is revealed!
s02e08 Episode 8 2021-05-09 09:00
Episode 8
It's Big Red Button week and the housemates have to decide whether to push or not to push. With all housemates on edge, someone has a plan to change things up.
s02e09 Episode 9 2021-05-10 09:30
Episode 9
The Big Red Button is in the house and no one knows if it will bring punishment or reward. As reality hits, loyalties are tested and the determination to win is greater than ever.
s02e10 Episode 10 2021-05-11 09:30
Episode 10
As Big Red Button week continues, Big Brother reveals another secret room. While one housemate feels more isolated than ever, there's an advantage so big it'll push everyone to their limits.
s02e11 Episode 11 2021-05-12 09:30
Episode 11
Keep your friends close and your enemies closer is the name of the game for one determined housemate. A monumental blindside unfolds when they finally get their shot at revenge.
s02e12 Episode 12 2021-05-17 09:30
Episode 12
The housemates are about to get the shock of their lives as six incredible intruders prepare to turn the game upside down.
s02e13 Episode 13 2021-05-18 09:30
Episode 13
Big Brother's panic room takes two new victims and which two intruders will rise to the challenge and join the game for good.
s02e14 Episode 14 2021-05-19 09:30
Episode 14
The housemates are tasked with mission impossible, a pumped-up challenge leaves someone feeling deflated, two housemates get close and an eviction ceremony shock.
s02e15 Episode 15 2021-05-24 09:30
Episode 15
Housemates have to keep their cool in the most nail-biting challenge yet. Could a budding romance be the kiss of death? And Sonia reveals another big twist.
s02e16 Episode 16 2021-05-25 09:30
Episode 16
While the walking dead housemate gets ready for battle, a new force is on the rise. Will they be strong enough to make their target the next walking dead?
s02e17 Episode 17 2021-05-26 09:30
Episode 17
Big Brother flies in some special guests for a task that has everyone in a flap. Which massive player won't survive the walking dead eviction showdown?
s02e18 Episode 18 2021-05-31 09:30
Episode 18
Big Brother unleashes the devil within, pushing housemates to the limit - mentally, physically and emotionally - in the most brutal challenges yet. This is hell week.
s02e19 Episode 19 2021-06-01 09:30
Episode 19
Big Brother adds fuel to the fire of Hell Week with a spectacular twist that will send home a major player.
s02e20 Episode 20 2021-06-02 09:30
Episode 20
Hell Week reaches it dramatic conclusion with the most terrifying challenge in program history. Then, an almighty bombshell blows the game up.
s02e21 Episode 21 2021-06-07 09:30
Episode 21
The new heads of house embrace their role, joining forces to create havoc. Meanwhile, past alliances are thrown out the window.
s02e22 Episode 22 2021-06-08 09:30
Episode 22
As the heads of house enjoy the perks and power of being 2IC, Big Brother goes into overdrive, revving up the rest of the housemates. Can one housemate talk their way back into a circle of trust?
s02e23 Episode 23 2021-06-09 09:30
Episode 23
With just eight housemates remaining, paranoia is high and huge deals are being made. What massive game-changer lies with Big Brother's secret eye?
s02e24 Episode 24 2021-06-14 09:30
Episode 24
With the end game getting closer, get ready for the biggest move the game has seen as the shimmering jewel in Big Brother's crown is revealed.
s02e25 Episode 25 2021-06-15 09:30
Episode 25
As housemates deal with the ramifications of the last eviction, someone awaits a roommate in the mirrored room - but will they go crazy first?
s02e26 Episode 26 2021-06-16 09:30
Episode 26
A massive challenge with a massive reward will push housemates to their limits but the biggest surprise is yet to come when the mirrored room is revealed.
s02e27 Episode 27 2021-06-21 09:30
Episode 27
The end is in sight and it's do or die for the final seven housemates. They'll push themselves to breaking point through the toughest challenges yet in a bid to save themselves from eviction.
s02e28 Episode 28 2021-06-22 09:30
Episode 28
Paranoia is setting in for the top six housemates as they fight for their lives in Second Chance Week.
s02e29 Episode 29 2021-06-23 09:30
Episode 29
After months of challenges and evictions, only five housemates stand and everyone has their sights set on podium. All that lies between them and the final four are two epic nomination challenges.
s02e30 Episode 30 2021-06-28 09:30
Episode 30
Big Brother's heartstopping end game is here as the final four battle it out. Who will make it to the final three ahead of the epic live grand finale?
s02e31 Grand Finale 2021-06-29 09:30
Grand Finale
All the housemates are reunited as host Sonia Kruger grills the final three on why they deserve Australia's vote, before the winner of the ultimate reality television title and $250,000 is announced.