TV Big Brother - Specials Big Brother - Specials 5/10 by 250 users American version of the reality game show which follows a group of HouseGuests living together 24 hours a day in the "Big Brother" house, isolated from the outside world but under constant surveillance with no privacy for three months. Details Casts Posters Images Title Big Brother - Specials Alternative Titles Big Brother USA, Big Brother US, Big Brother: Unlocked Subtitle Available ETC. First Air Date 2000-07-05 Last Air Date 2025-07-30 Number of Episodes 969 Number of Seasons 27 Genres Reality, Networks CBS, Casts Julie Chen, Clayton Halsey Plot Keywords , Self - Host Julie Chen Announcer (voice) Clayton Halsey Episodes List Big Brother Season 0 :Episode 1 Big Brother 7: America's Vote 2006-06-21 American version of the reality game show which follows a group of HouseGuests living together 24 hours a day in the "Big Brother" house, isolated... Big Brother Season 0 :Episode 2 25th Anniversary Celebration 2023-07-26 American version of the reality game show which follows a group of HouseGuests living together 24 hours a day in the "Big Brother" house, isolated...