If you’re asking “is Big Brother on tonight?” and “what time is Big Brother on tonight?” , here’s everything you need to know about the Big Brother schedule for September 24, 2025, and how that fits into the rest of Season 27’s airing plan.

Tonight’s Special Time Slot (Wednesday, September 24)

Yes, Big Brother is on tonight — but with a twist. For tonight’s episode, the airtime has shifted. On Wednesday, September 24, 2025, Big Brother Season 27, Episode 36 will air from 10:00–11:00 p.m. ET on CBS, following that evening’s season premiere of Survivor . (This marks a special time adjustment due to the crossover scheduling.)

So if you’re tuning in tonight, double-check your local CBS listings or DVR schedule — but plan for the show to begin at 10:00 p.m. ET / 9:00 p.m. CT

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