Big Brother 21 premieres June 25 on CBS

Julie Chen hosts Big Brother’s live eviction show. BIG BROTHER follows a group of people living together in a house outfitted with 94 HD cameras and 113 microphones, recording their every move 24 hours a day. The series airs Sundays and Wednesdays (8:00-9:00PM, ET/P/T) and Thursdays (9:00-10:00 PM, ET/PT) on the CBS Television Network. Photo: Johnny Vy/CBS 2018 CBS Broadcasting, Inc. All Rights Reserved.