Big Brother Season 27 Premiere Date
Big Brother Season 27 premiered on July 10, 2025, on CBS. The live eviction episodes air on Wednesdays, with highlights and companion shows throughout the week.
When Does Big Brother Season 27 Start
The season premiere marked the start of the summer 2025 schedule for the long-running reality series. The first episode introduced the new houseguests and the initial Head of Household competition.
Where to Watch Big Brother Season 27
Episodes stream live and on-demand on Paramount+ with a CBS live TV subscription. Full episodes and exclusive content are also available on the official CBS Big Brother page. Live feeds require a Paramount+ Premium plan.
