Every day this week actress actress Chizzy Akudolu, author and comedian Charlie Higson, historian Kate Williams and comedian Tom Allen take on a series of challenging quiz games selected by the host, teatime quiz legend Richard Osman. Who will be crowned champion?

Rachel Riley, JB Gill, Katie Derham and Richard Herring take on a series of challenging quiz games across one week, selected by host and teatime quiz favourite Richard Osman.