Big Brother Season 27 premiered on July 10, 2025, on CBS. Titled “Summer of Mystery,” the new season features 16 houseguests, a secret guest, and a masked intruder. Episodes air three times weekly.

In Season 27 of "Big Brother," houseguests will spend the summer inside Hotel Mystère, an enigmatic yet luxurious version of ...

Television Television Big Brother 27's Mystery Houseguest Might Have Been Revealed Thanks To A Hilarious Accident By A Former ...

Following the premiere of the first CBS episode on Sunday, fans may watch Big Brother Season 27 live streams directly on Paramount+ Premium and Pluto TV.

Ashley Hollis won the first POV of the season, per "Big Brother" fan blog Hamsterwatch. The original nominees, before the ...

Season 27 of "Big Brother" premieres Thursday. Meet this year's houseguest and see how to watch the CBS original series.

"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 ...

The 24/7 Big Brother live feeds will be streaming on Paramount+ at all times as the season progresses. Fans will get to ...

"Big Brother" is back this summer with Season 27, where the official theme will be "Big Brother: A Summer of Mystery." ...

Julie Chen Moonves returns to host Big Brother Season 27, which premieres with a 90-minute episode on Thursday, July 10 at 8 ...

The houseguests of ‘Big Brother’s 27th season were unveiled shortly before the premiere! Get to know each of them and their ...