The premiere hasn’t even aired yet, and the drama is already on the floor.

"Big Brother" officially returns tonight. Here's what time Season 27 starts, how to watch episodes and live feeds, and more details about the mysterious new season.

New episodes of Big Brother Season 27 air live on CBS. If you don’t have cable, you can watch Big Brother online with a live TV streaming service (such as DirecTV or Fubo) or with a subscription to CBS’s streaming service, Paramount+. See below for pricing and free trial details for each of these options.

Since its premiere on July 5, 2000, Big Brother has continuously evolved, tweaking its gameplay and format while delivering many twists and turns. This constant evolution aligns perfectly with host Julie Chen Moonves ' iconic reminder each season: "expect the unexpected."

The cast of "Big Brother" Season 27 has been revealed — with one "Mystery Player" set to make a surprise entrance.

Contestants include an aura painter, a dungeon master and a professional bull rider — plus a mystery player whose identity has not yet been revealed

Big Brother' couple Jeff Schroeder and Jordan Lloyd reflect on their love story, life in Colorado and how they’re thriving post-reality TV

"Honestly, in my head, I am the greatest 'Big Brother' player this world has yet to see. I'm ready to prove it."