7.7/1016 votes#1 - Episode 1
Season 13 Episode 1 - Aired 4/26/2021
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.
Director: N/A
Writer: N/A
7.7/1013 votes#2 - Episode 2
Season 13 Episode 2 - Aired 4/27/2021
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.
Director: N/A
Writer: N/A
8.0/1013 votes#3 - Episode 3
Season 13 Episode 3 - Aired 4/28/2021
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? Big Brother is hosted by Sonia Kruger.
Director: N/A
Writer: N/A
7.6/1011 votes#4 - Episode 4
Season 13 Episode 4 - Aired 5/2/2021
Get ready for a week of surprises, but they’re not necessarily all good ones. Which surprise will shake up the entire house? Big Brother is hosted by Sonia Kruger.
Director: N/A
Writer: N/A
7.6/1011 votes#5 - Episode 5
Season 13 Episode 5 - Aired 5/3/2021
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? Big Brother is hosted by Sonia Kruger.
Director: N/A
Writer: N/A
7.7/1011 votes#6 - Episode 6
Season 13 Episode 6 - Aired 5/4/2021
Big Brother has the hungry housemates run off their feet and it's a battle royale as carnivore and vegan go head to head.
Director: N/A
Writer: N/A
6.8/1013 votes#7 - Episode 7
Season 13 Episode 7 - Aired 5/5/2021
Surprise Week ends with the biggest shock of them all when Big Brother’s secret attic is revealed!
Director: N/A
Writer: N/A
7.6/1011 votes#8 - Episode 8
Season 13 Episode 8 - Aired 5/9/2021
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.
Director: N/A
Writer: N/A
7.1/1012 votes#9 - Episode 9
Season 13 Episode 9 - Aired 5/10/2021
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.
Director: N/A
Writer: N/A
7.8/1012 votes#10 - Episode 10
Season 13 Episode 10 - Aired 5/11/2021
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.
Director: N/A
Writer: N/A
8.5/1012 votes#11 - Episode 11
Season 13 Episode 11 - Aired 5/12/2021
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.
Director: N/A
Writer: N/A
7.4/1010 votes#12 - Episode 12
Season 13 Episode 12 - Aired 5/17/2021
The housemates are about to get the shock of their lives as six incredible intruders prepare to turn the game upside down.
Director: N/A
Writer: N/A
7.2/1010 votes#13 - Episode 13
Season 13 Episode 13 - Aired 5/18/2021
Big Brother’s panic room takes two new victims and which two intruders will rise to the challenge and join the game for good.
Director: N/A
Writer: N/A
7.6/1010 votes#14 - Episode 14
Season 13 Episode 14 - Aired 5/19/2021
The housemates are tasked with mission impossible; a pumped-up challenge leaves someone feeling deflated; two housemates get close and an eviction ceremony shock.
Director: N/A
Writer: N/A
7.9/1010 votes#15 - Episode 15
Season 13 Episode 15 - Aired 5/24/2021
Housemates have to keep their cool in Big Brother’s most nail-biting challenge yet. Could a budding romance be the kiss of death? And Sonia reveals another big twist! Hosted by Sonia Kruger.
Director: N/A
Writer: N/A
7.9/1010 votes#16 - Episode 16
Season 13 Episode 16 - Aired 5/25/2021
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? Hosted by Sonia Kruger.
Director: N/A
Writer: N/A
7.9/1010 votes#17 - Episode 17
Season 13 Episode 17 - Aired 5/26/2021
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.
Director: N/A
Writer: N/A
7.8/1010 votes#18 - Episode 18
Season 13 Episode 18 - Aired 5/31/2021
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.
Director: N/A
Writer: N/A
7.9/1015 votes#19 - Episode 19
Season 13 Episode 19 - Aired 6/1/2021
Big Brother adds fuel to the fire of Hell Week with a spectacular twist that will send home a major player.
Director: N/A
Writer: N/A
7.3/1011 votes#20 - Episode 20
Season 13 Episode 20 - Aired 6/2/2021
Hell Week reaches it's dramatic conclusion with the most terrifying challenge in Big Brother history. Then an almighty bombshell blows the game up.
Director: N/A
Writer: N/A
7.3/1011 votes#21 - Episode 21
Season 13 Episode 21 - Aired 6/7/2021
The new heads of house embrace their role, joining forces to create havoc. Meanwhile past alliances are thown out the window.
Director: N/A
Writer: N/A
7.2/1011 votes#22 - Episode 22
Season 13 Episode 22 - Aired 6/8/2021
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.
Director: N/A
Writer: N/A
8.3/1010 votes#23 - Episode 23
Season 13 Episode 23 - Aired 6/9/2021
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?
Director: N/A
Writer: N/A
8.3/1010 votes#24 - Episode 24
Season 13 Episode 24 - Aired 6/14/2021
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.
Director: N/A
Writer: N/A
7.8/1010 votes#25 - Episode 25
Season 13 Episode 25 - Aired 6/15/2021
As housemates deal with the ramifications of the last eviction, someone awaits a roommate in the mirrored room – but will they go crazy first?
Director: N/A
Writer: N/A
The Best Episodes of Big Brother Season 13
Every episode of Big Brother Season 13 ranked from best to worst. Discover the Best Episodes of Big Brother Season 13!
Big Brother is an Australian reality show based on the international Big Brother format created by John de Mol. Following the premise of other versions...
Genre:Reality
Season 13 Ratings Summary
"Episode 1" is the best rated episode of "Big Brother" season 13. It scored 7.7/10 based on 16 votes. Directed by N/A and written by N/A, it aired on 4/26/2021. This episode is rated 0.0 points higher than the second-best, "Episode 2".