TV Celebrity Big Brother Celebrity Big Brother 4.989/10 by 45 users Celebrity Big Brother is a British reality television game show in which a number of celebrity contestants live in an isolated house trying to avoid being evicted by the public with the aim of winning a large cash prize being donated to the winner's nominated charity at the end of the run. Details Casts Posters Images Title Celebrity Big Brother Alternative Titles CBB, Celebrity Big Brother UK, CBBUK First Air Date 2001-03-08 Last Air Date 2018-09-10 Number of Episodes 595 Number of Seasons 22 Genres Reality, Networks BBC One, Channel 4, 5, Casts Emma Willis, Marcus Bentley Plot Keywords , Self - Host Emma Willis Narrator (voice) Marcus Bentley