Big Brother, the popular reality TV competition show, returns for season 27 tonight, July 10, on CBS. Here's what to know about the cast and how to watch.

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.