Celebrities take on the challenge of answering quiz questions in the Mastermind black chair, first on their chosen specialist subject, and then general knowledge, competing to win a donation for their nominated charity.

John Humphrys hosts the relaunched series of the classic quiz where contenders take the famous black chair, under the glare of the spotlight, hoping to become the Mastermind champion.

A long-running series in which members of the public sit in a black chair to answer questions on a specialist subject and general knowledge.