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There is no Next Episode of Duck Quacks Don't Echo planned.
Danny Baker, Roisin Conaty and Jack Dee join host Lee Mack to test out more obscure theories in the studio.
Mad Dogs actor Philip Glenister and comedians Jo Brand and Josh Widdicombe join host Lee Mack in putting more madcap theories to the test.
Paul Hollywood, Gabby Logan and Hal Cruttenden join Lee Mack in the studio to test out more obscure facts and theories.
A look back at the best moments of the series, featuring Paul Hollywood, Johnny Vegas, Danny Dyer and inimitable host Lee Mack.