Packed with astounding trivia, wacky experiments, big laughs and celebrity guests, this special episode takes a look back at the best moments from series six.

Comedian Rob Beckett, Only Connect host Victoria Coren Mitchell and singer Melanie C team up to set some wacky facts straight. Funnyman Lee Mack hosts.

Presenter Alesha Dixon and funnymen Jon Richardson and Danny Baker team up to bust facts on Lee Mack's hit panel show. Can music make your kids more helpful?

Can wearing a lab coat make you cleverer? David Mitchell, Katherine Ryan and Sir Trevor McDonald join Lee Mack to test the truth of a whole host of zany facts.

TV presenter Alex Jones and comedians Harry Enfield and Jason Byrne join Lee Mack to put far-fetched facts to the test. Can a Slinky defy gravity?

Pull up a chair as host Lee Mack, The Great British Bake Off's Noel Fielding and comedians Roisin Conaty and Jason Manford go to any lengths to test wacky facts.

Rob Brydon, Emma Bunton and Carol Vorderman join funnyman Lee Mack to challenge more improbable facts using whatever wacky means possible.

Lee Mack is back with his hit panel show as guests Martin Clunes, Jimmy Carr and Aisling Bea put more wacky so-called facts to the test.