Clive Myrie hosts as another four contenders take to the black chair, answering questions on their chosen specialist subjects to earn a place in the semi-finals. On tonight's episode, the specialist subjects are British butterflies, the Cornetto Trilogy, Tutankhamun and Kate Bush.

The hunt for the nation's Mastermind continues as Clive Myrie tests four more contenders on their specialist subjects and general knowledge under the glare of the spotlight and the ticking clock. Tonight's subjects are Nell Gwyn, Sylvia Plath, Still Game and the island of Sicily.