Overview
- Season 27 of Big Brother will launch on CBS on July 10, 2025, with a 90-minute premiere episode, followed by another 90-minute episode on July 13.
- The season will feature an entirely new cast of houseguests, with no returning players competing this year.
- Regular episodes will air Wednesdays at 8–9:30 p.m. ET, and Thursdays and Sundays at 8 p.m. ET, with live evictions on Thursdays.
- Starting July 25, the new companion series 'Big Brother: Unlocked' will air every other Friday, offering behind-the-scenes footage, exclusive interviews, and insights from former houseguests.
- Julie Chen Moonves returns as host, continuing her long-standing role anchoring the franchise as it celebrates over 25 years on air.