F loaters, grab a life vest! Rachel Reilly made her triumphant return to Big Brother during Thursday's Season 27 premiere.

The “Big Brother” 27 secret accomplice twist is already driving fans wild. From edits to behavior, here’s who they think is behind it all.

"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 ...

You can catch the Season 27 premiere of “Big Brother” on the CBS Television Network on Thursday, July 10 at 8 p.m. Fans can ...

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 ...

Grab a life vest, floaters, because look who just resurfaced back in the Big Brother house.