A celebrity special edition of the general knowledge quiz in which four teams try to come up with the answers that no-one else could think of.Presented by Alexander Armstrong and co-host Richard Osman and featuring Harpz Kaur, Harriet Rose, John Middleton, Nicola Thorp, Aurie Styla, Chris Washington, Danny Clarke and Hannah Stitfall.SpecialPointless CelebritiesSeries 15