Alexander Armstrong and Richard Osman present a celebrity edition of the quiz in which four teams try to come up with the answers that no-one else could think of. Featuring Oliver and James Phelps, Peter Purvesand John Noakes, Janet Street-Porter and Christopher Biggins, and Ricky Groves and Natalie Cassidy.

Alexander Armstrong and Richard Osman present a special celebrity period drama edition of the general knowledge quiz in which four teams try to come up with the answers that no-one else could think of.Featuring Colin Baker and Simon Williams, Helen George and Pam Ferris, Martin Jarvis and Nerys Hughes, and Matthew Kelly and Christopher Timothy.