Synopsis

John Humphrys hosts a celebrity edition of Britain's most demanding quiz. Four new personalities face the Mastermind challenge: comedian Hal Cruttenden, actress Clare Perkins, Olympic gold medalist rower Sophie Hosking, and Radio 1 DJ Huw Stephens, who will test their knowledge on subjects ranging from the Rocky film series to Cormac McCarthy’s Border Trilogy, the intricacies of the London Underground, and the music of Johnny Cash.