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 ...

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

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

July 10 begins Week 1 of Big Brother Season 27, which can only mean one thing—the first HoH competition of the summer. The ...

Big Brother Season 27 premieres July 10 with 17 houseguests entering Hotel Mystère. Get cast details, house tour, and ...

Read on to find out everything you need to know about the Big Brother season 27 cast—and how to stalk them on Instagram. This ...

Big Brother season 27 is taking place with a brand new house theme called Hotel Mystere, and it will have mystery challenges for the houseguests left and right.

Prepare for a “Summer of Mystery” as Houseguests compete to win $750,000. Catch every episode with our guide for how to watch Big Brother Season 27 online and free from anywhere.

Big Brother follows a group of people living together in a house outfitted with more than 100 cameras and 100 microphones, ...