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Big Brother Season 27 to Premiere July 10 with Expanded Episodes and New Companion Series

CBS announces earlier premiere, extended 90-minute episodes, and the launch of 'Big Brother: Unlocked' featuring exclusive content and analysis.

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Julie Chen Moonves will return as host for Season 27 of "Big Brother."
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Overview

  • Season 27 of Big Brother will debut on Thursday, July 10, 2025, with a 90-minute premiere episode at 8 p.m. ET/PT on CBS.
  • The season will feature extended 90-minute episodes every Wednesday, while Thursdays and Sundays will remain hour-long broadcasts.
  • 'Big Brother: Unlocked,' a biweekly companion series airing Fridays starting July 25, will provide unseen footage, interviews, and gameplay analysis by three former All-Stars.
  • Julie Chen Moonves returns as host, and the season will introduce an entirely new group of houseguests competing for a $750,000 prize.
  • Episodes and 24/7 live feeds will be available for streaming on Paramount+ with Showtime and Pluto TV, enhancing multi-platform viewer engagement.