Camilla Kerslake, Monty Panesar, Sean Wilson, Terry Alderton

Four more famous faces put their reputations on the line for charity as John Humphrys tests them on their specialist subjects and general knowledge. Taking part are classical singer Camilla Kerslake on the musicals of Andrew Lloyd Webber, ex-England cricketer Monty Panesar on the Sikh religion, Coronation Street actor Sean Wilson on British birds and comedian Terry Alderton on Tony Hancock.