Lee Mack presents Duck Quacks Don't Echo, the show that test-runs the world's most startling facts with three celebrity guests in each episode.
Each episode is split into three rounds. First the celebrity guests present their facts and these are tested out. The other celebrities and Lee mark the celebrity on their fact. The second round see's the celebrities choose an audience members fact and a panel of verifiers prove whether the fact is correct or not. The verifier marks the second fact. The winner of the first two rounds then help Lee prove his fact for the week.
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Best of Season 6 06x08
Melanie C, Victoria Coren Mitchell, Rob Beckett 06x07
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.
Danny Baker, Alesha Dixon, Jon Richardson 06x06
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?
Sir Trevor McDonald, David Mitchell, Katherine Ryan 06x05
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.
Jason Byrne, Alex Jones, Harry Enfield 06x04
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?
Roisin Conaty, Noel Fielding, Jason Manford 06x03
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, Carol Vorderman 06x02
Rob Brydon, Emma Bunton and Carol Vorderman join funnyman Lee Mack to challenge more improbable facts using whatever wacky means possible.
Martin Clunes, Jimmy Carr, Aisling Bea 06x01
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.
Best of Season 5 05x08
A look back at the best moments of the series, featuring Paul Hollywood, Johnny Vegas, Danny Dyer and inimitable host Lee Mack.
Paul Hollywood, Gabby Logan, Hal Cruttenden 05x07
Paul Hollywood, Gabby Logan and Hal Cruttenden join Lee Mack in the studio to test out more obscure facts and theories.
Philip Glenister, Jo Brand, Josh Widdicombe 05x06
Mad Dogs actor Philip Glenister and comedians Jo Brand and Josh Widdicombe join host Lee Mack in putting more madcap theories to the test.