John Humphrys puts four celebrities to the test in another episode of the classic quiz. Taking part are Amol Rajan, Reverend Richard Coles, Courtney Act and Mark Lane.

John Humphrys puts four famous faces in the spotlight in. Laying their reputations on the line are the BBC's media editor Amol Rajan, Saturday Live presenter Reverend Richard Coles, RuPaul's Drag Race runner-up Courtney Act and Mark Lane from Gardener's World. They answer questions on Shane Warne, the operas of Wagner, The Spice Girls and Piet Mondrian.