"So there's going to be a strong reaction in both directions for this mystery Houseguest."Ahead of season 27, here are the 12 best Big Brother seasons to watch, all of which are available to stream on Paramount+.

Rachel Reilly and Brendon Villegas met on 'Big Brother 12' and built a lasting marriage after winning fans with their showmance

As Big Brother marks a quarter-century milestone. Its legacy is characterized by iconic incidents that influenced reality television and popular discourse.

Big Brother 27,' hosted by Julie Chen Moonves, premieres on Thursday,. See which houseguests are in power as HoH, who is nominated and who has been evicted so far

Chris Hughes spoke about his romantic relationship with 'Big Brother' costar JoJo Siwa, calling it 'serendipity' and revealing plans for the future

"That's a world I don't even want to imagine," Chen Moonves responds when asked about a 'Big Brother' future without her

"Big Brother" is back with the season 27 premiere Thursday. Here is everything to know about the episode and the new season.