In addition to the three episodes a week schedule, "Big Brother: UNLOCKED" will air every other week throughout the season, where three BB All-Stars will offer commentary on the events of the game.

Julie Chen Moonves is the host of CBS' long-running reality show, Big Brother, which premieres its 27th season this week.

Here's what to know about Season 27. What is the theme for this season? The official theme will be "Big Brother: A Summer of ...

"Big Brother" Season 27 contestants better grab a life vest, because star Rachel Reilly is checking in as the 17th houseguest ...

Rachel Reilly, winner of Big Brother 13, was unveiled as the "mystery houseguest" competing again this summer on season ...

Big Brother returned for its 27th season on July 10, 2025, kicking off a new summer of strategy, alliances, twists, and drama ...

CBS has revealed its fall 2025 premiere dates; 'CIA' moves to midseason and gets a new showrunner while 'Watson' returns in ...

Oh, summer hasn't officially arrived until "Big Brother" has arrived and it's here. The CBS reality competition series is celebrating 25 ...

Big Brother host Julie Chen Moonves had some time to kill during the show’s season 27 premiere on Thursday, July 10. The ...

After much anticipation, Big Brother Season 27 revealed the mystery houseguest. Former contestant and winner of the ...