Four more contenders take to the black chair under the spotlight and the ticking clock to answer questions on their specialist subjects and general knowledge. Clive Myrie asks the questions, which are on Offa's Dyke Path, the life and works of John Cage, the wines of Portugal and Only Fools and Horses.

The hunt for the nation's Mastermind continues as Clive Myrie tests four more contenders on their specialist subjects and general knowledge.

The specialist subjects are the Peter Wimsey stories of Dorothy L Sayers, Arnold Schwarzenegger, The Wire and the Falklands conflict.