TV Celebrity Mastermind - Season 7 Episode 4 : Episode 4 Celebrity Mastermind - Season 7 Episode 4 : Episode 4 6/10 by 2 users John Humphrys invites four celebrities to take the lonely walk to the black chair. Answering questions on their specialist subjects and general knowledge are actress Sally Lindsay, singer Mick Hucknall, West End star Summer Strallen and actor and comedian Mel Smith. Details Casts Posters Images Title Celebrity Mastermind - Season 7 Episode 4 : Episode 4 Alternative Titles First Air Date 2003-12-26 Last Air Date 2026-01-26 Number of Episodes 222 Number of Seasons 24 Genres , Networks BBC One, BBC Two, Casts Clive Myrie Plot Keywords , Self - Presenter Clive Myrie Episodes List Celebrity Mastermind Season 7 :Episode 1 Episode 1 Episode 1 2008-12-28 Celebrity Mastermind is a British television quiz show broadcast by BBC television. The show is a spin-off of the long-running quiz show Mastermind,... Celebrity Mastermind Season 7 :Episode 2 Episode 2 Episode 2 2008-12-29 Celebrity Mastermind is a British television quiz show broadcast by BBC television. The show is a spin-off of the long-running quiz show Mastermind,... Celebrity Mastermind Season 7 :Episode 3 Episode 3 Episode 3 2008-12-30 Celebrity Mastermind is a British television quiz show broadcast by BBC television. The show is a spin-off of the long-running quiz show Mastermind,... Celebrity Mastermind Season 7 :Episode 4 Episode 4 Episode 4 2008-12-31 Celebrity Mastermind is a British television quiz show broadcast by BBC television. The show is a spin-off of the long-running quiz show Mastermind,... Celebrity Mastermind Season 7 :Episode 5 Episode 5 Episode 5 2009-01-01 Celebrity Mastermind is a British television quiz show broadcast by BBC television. The show is a spin-off of the long-running quiz show Mastermind,...