Alexander Armstrong and Richard Osman present a special record breakers' 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 Britain's tallest man and woman Neil Fingleton and Jessica Pardoe, 400m hurdles British record holder Sally Gunnell and 100m British record holder Linford Christie, Kellie Bright and Tim Bentinck from The Archers, the world's longest-running soap opera, and Andy Akinwolere and Janet Ellis, former presenters of Blue Peter, the world's longest-running children's television programme.