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

"Big Brother" airs from 8-9:30 p.m. ET Sunday. Sunday's episode will last 90 minutes, from 8-9:30 p.m. ET. In addition to ...

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.

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.