Celebrities test the depths of their general knowledge in this special edition of the quiz, with Julia Bradbury and John Craven among the stars trying to come up with the answers no-one else could think of. Presented by Alexander Armstrong and Richard Osman.

Celebrities test the depths of their general knowledge in this special edition of the quiz, with Ann Widdecombe and Craig Revel Horwood among the stars trying to come up with the answers no-one else could think of. Presented by Alexander Armstrong and Richard Osman.