TV Big Brother - Season 0 Episode 2 : 25th Anniversary Celebration Big Brother - Season 0 Episode 2 : 25th Anniversary Celebration 5/10 by 250 users The “Entertainment Tonight” special looks back at the groundbreaking series’ most memorable moments, shocking twists and showmances through archival footage and exclusive interviews with host Julie Chen Moonves and fan-favorite houseguests Details Casts Posters Images Title Big Brother - Season 0 Episode 2 : 25th Anniversary Celebration 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...