Big Brother UK 2025 launches in the U.K. on Sunday, September 28, 2025, at 9:00 p.m. BST on ITV2 and streams free on ITVX. That’s 4:00 p.m. ET in America/New_York. Big Brother UK returns for a new season on ITV with AJ Odudu and Will Best back to front the live launch and nightly action. Journalist Caroline Preece notes, “ The new series launches with a live show on Sunday, Sept. 28, at 9 p.m. ” and also that “ No U.S. broadcaster has been announced. ”

For viewers who prefer a catch-up after the live broadcast, NationalWorld reporter Matthew Mohan-Hickson confirms the opener “ is due to start at 9pm ” and that “ the episode will run for approximately 90 minutes ,” concluding at about 10:30 p.m. BST (5:30 p.m. ET). He also states that the launch “ will also be repe

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