John Humphrys introduces four more famous contenders to the black chair, where he tests them first on their specialist subject and then on their general knowledge. Guests are singer Beverley Knight, World Champion snooker player John Higgins, politician Michael Howard and weatherman Alex Deakin.

John Humphrys introduces four more famous contenders to the black chair, where he tests them first on their specialist subject and then on their general knowledge. Guests are swimmer Mark Foster, actor and writer Nigel Planer, chef Ching He Huang and broadcaster John Suchet.

John Humphrys introduces four more famous contenders to the black chair, where he tests them first on their specialist subject and then on their general knowledge. Guests are director Michael Winner, newsreader Mishal Husain, comedian Dom Joly and actor and satirist John Bird.

John Humphrys introduces four more famous contenders to the black chair, where he tests them first on their specialist subject and then on their general knowledge. Guests are writer Tony Parsons, actress Diane Parish, astrologer Russell Grant and broadcaster Paul Gambaccini.