Big Brother UK returns for a brand-new series on Sunday, September 13, 2026, with the launch airing on ITV2 and streaming on ITVX.
The new series is hosted once again by AJ Odudu and Will Best, with a new group of housemates moving into the Big Brother house for another run of nominations, evictions, tasks and public votes.
ITV’s published schedule has Big Brother airing at 9pm during the opening week, with the new companion show Big Brother: The Group Chat following afterwards on selected nights.
When Does ‘Big Brother’ UK 2026 Start?
The new series of Big Brother starts on Sunday, September 13, 2026.
ITV confirmed the return in its latest pre-launch announcement, which also revealed a first for the UK version of the show: viewers were able to watch part of the production team’s pre-series dry run via Twitch and YouTube ahead of the launch.
The launch introduces a brand-new group of housemates who will move into the house and live under constant surveillance while competing to remain in the game.
When Is ‘Big Brother’ UK On?
Big Brother is scheduled for 9pm on ITV2 during the opening week of the 2026 series.
ITV’s current TV guide lists the main show from 9pm on the first Monday and Wednesday after launch, with episodes running for around an hour before The Group Chat begins.
As with most live and reality programming, individual episode lengths and start times can occasionally change, so viewers should check ITV’s latest schedule if watching on a specific night.
What Channel Is ‘Big Brother’ UK On?
The 2026 series airs on ITV2 and is available to watch live and on demand through ITVX.
That means viewers who miss an episode when it airs can catch up through ITVX afterwards.
The Big Brother brand has now generated more than 157 million streams on ITVX, according to ITV.
When Is ‘Big Brother: The Group Chat’ On?
The main show is joined this year by a brand-new companion series, Big Brother: The Group Chat.
The programme airs Sunday to Thursday nights straight after Big Brother on ITV2 and ITVX, and is also available on YouTube and major podcast platforms.
Kate Lawler and GK Barry host the show, discussing the biggest moments from the house alongside evicted housemates, celebrity fans and guests.
Who Hosts ‘Big Brother’ UK?
AJ Odudu and Will Best return as the hosts of the main series.
The pair have fronted ITV’s version of Big Brother since the format returned to UK television, presenting the live launches, evictions and finals.
For the 2026 series, Lawler and Barry take over the nightly post-show discussion through The Group Chat.
Big Brother returns Sunday, September 13 on ITV2 and ITVX, with episodes scheduled from 9pm during the opening week.
