John Humphrys presents the celebrity version of Britain's toughest quiz. Four more celebrities take on the Mastermind challenge as actress and presenter Clare Grogan, singer-songwriter Newton Faulkner, gold medal-winning Paralympian Richard Whitehead and journalist Quentin Letts answer questions on Doris Day, Harry Nilsson, Tottenham Hotspur and Hereford Cathedral.

The show’s own verdict is on its page.