Hosts AJ Odudu and Will Best return for the new series and will once again welcome an “eclectic mix” of strangers from across the UK into the iconic Big Brother house.
The new series on ITV will run for seven weeks, with the new batch of housemates set to get up to all kinds of “mischief and mayhem”.
ITV added: “Viewers can expect more new twists and turns, elaborate tasks, intense nominations and live evictions as the cast of housemates go up against one another in a bid to be crowned the winner, and walk away with a life-changing cash prize.”
The most successful Big Brother contestants
First look at the new Big Brother house
Viewers have been given a sneak peek at the new Big Brother house ahead of the live launch tonight.
All eyes on the new Big Brother House 👁️ #BBUK pic.twitter.com/CPzjeDv1Ug
— Big Brother UK (@bbuk) September 26, 2025
The pictures give fans an in-depth look at the house, the garden, and the infamous Diary Room chair.
What time is Big Brother on tonight?
Series three of Big Brother on ITV will begin tonight (Sunday, September 28).
The live launch will air on ITV2 and ITVX at 9pm, with the show scheduled to conclude at 10.30pm.
Big Brother will continue to air every night for the next seven weeks at 9pm on ITV2 and ITVX.
Big Brother: Late & Live and Live Stream to return in 2025
Following Big Brother each night will be Big Brother: Late & Live, described by ITV as “an extra slice of exclusive Big Brother content with fiery debate and hot takes from our celebrity guest panel”.
The celebrity ‘house guests’ that will appear on Big Brother: Late & Live in 2025 are:
- Week 1 – Danny Beard
- Week 2 – David Potts
- Week 3 – Angellica Bell
- Week 4 – Harriet Rose
- Week 5 – Chloe Burrows
- Week 6 – Oti Mabuse
- Week 7 – JoJo Siwa
Introducing your Big Brother: Late & Live House Guests for #BBUK 2025! 🤩
Join AJ & Will on ITV2 and ITVX straight after Big Brother 👁️ pic.twitter.com/2MNgH7z0RX
— Big Brother UK (@bbuk) September 28, 2025
The iconic Big Brother: Live Stream will also return to screens, airing seven nights a week exclusively on ITVX.
“This will allow fans to watch live footage into the small hours after Big Brother: Late & Live,” ITV added.
Who won Big Brother 2024?
The Big Brother housemates in 2025 will be hoping to follow in the footsteps of last year’s winner, Ali Bromley.
The London-based forensic psychologist won the public vote and beat her fellow housemates, including Marcello Spooks, Emma Morgan, and Hanah Haji in the final.
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Jordan Sangha was the first winner of ITV’s reboot of Big Brother back in 2023.
The iconic reality television show first aired on Channel 4 in 2000, where it stayed for 10 years before moving over to Channel 5 from 2011 to 2018.
In 2018, Big Brother was axed, before being revived in 2023 by ITV.
