As per the Big Brother rules, houseguests were allowed to guess the identity of the accomplice, and if they were right, he or she would be immediately removed.

Big Brother airs Sundays, Wednesdays, and Thursdays with a new show, Big Brother: Unlocked airing every other Friday. Episodes are available on Paramount+.

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 fans are buzzing about the show’s latest twist, and they think they’ve got it uncovered. During the Season 27 ...

Big Brother 27 kicks off with Julie Chen Moonves' dramatic abduction, Vince grabs the first HOH title, and Rachel Reilly ...

Rachel Reilly opens up about returning to Big Brother 27, balancing motherhood, and her plans to compete for the $750,000 ...

Big Brother' is off and running in season 27 on CBS, with double-digit percent growth in total viewers from the year-ago season opener.

After getting engaged, Brendon and Rachel returned to Big Brother for season 13 as part of a duos twist that also ...

Fans and Big Brother houseguests alike were amazed by Rachel Reilly's dramatic appearance on the first episode of Season 27.

A former 'Big Brother' player – and winner – was unveiled as the mystery 17th houseguest during the season 27 premiere.

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