Celebrity Mastermind2010/11Episode 8BBC One Duration: 30 minutesFirst broadcast: Wed 5th Jan 2011, 19:00 on BBC One HDLatest broadcast: Wed 5th Jan 2011, 19:00 on BBC One WalesJohn Humphrys puts the questions to four more famous faces. Guests are Simon O'Brien, Jason Merrells, Lord Digby Jones and Terry Christian.ContributorsPresenter:John HumphrysProducer:Jon KellyDirector:Derek HallworthParticipant:Simon O'BrienParticipant:Jason MerrellsParticipant:Digby JonesParticipant:Terry ChristianGenresEntertainmentFormatsGames & QuizzesBrandCelebrity MastermindSeriesCelebrity Mastermind: 2010/11 Source: BBC Online