In announcing the “Summer of Mystery” theme, CBS teased that Big Brother 27 would introduce a surprise “Mystery Houseguest” ...

Big Brother 27,' hosted by Julie Chen Moonves, premieres on Thursday,. See which houseguests are in power as HoH, who is ...

The 27th edition of the competition reality series will see 17 houseguests outwit each other in a summer-long strategy game under 24/7 surveillance. As usual, Julie Chen Moonves returns as host, and ...

"Big Brother" revealed its mystery houseguest for season 27 Thursday: the legendary Rachel Reilly. Reilly entered the house ...

"Big Brother" Season 27 contestants better grab a life vest, because star Rachel Reilly is checking in as the 17th houseguest ...

Here's everything to know about the rules all Big Brother contestants must follow. One of the most crucial elements in Big ...

Contestants on 'Big Brother' must follow certain rules. Here's everything to know about the rules that 'Big Brother' ...

While Moonves’ disappearance was short-lived, the introduction of The Mastermind, an ominous figure in a creepy red mask, teased some of the numerous secrets of the house, including the HoH relic at ...

The first cheesy segment of the season then occurred: An odd man in a red mask appeared on the TV and said he was behind the ...

The popular reality TV competition series, “Big Brother,” returns Thursday, July 10 at 8 p.m. ET on CBS. Stream the season 27 ...

"Big Brother" Season 27 is here. Here's what time "Big Brother" comes on tonight, the "Big Brother" 27 schedule, and when ...