Contestants face questions about The Beatles, dolphins, the complete works of Beatrix Potter and the life and career of Alexander Graham Bell.

John Humphrys asks questions about Enid Blyton's Famous Five books, the history of Cadbury's, Egyptian deities and the Back to the Future trilogy.

Specialist subjects are the House of Stuart, Roald Dahl's books, The Saga of Darren Shan, The Simpsons, A Series of Unfortunate Events by Lemony Snicket and the life and works of Cezanne. Show more

The contestants' specialist subjects are The Vicar of Dibley, the Artemis Fowl series by Eoin Colfer, the life and career of Howard Carter and Sir Winston Churchill.

Specialist subjects include the history of the English longbow, Star Wars, His Dark Materials by Philip Pullman and black holes.

Topics include Michael Schumacher, Fawlty Towers, the films of Hayao Miyazaki and the Plantagenets.