In this one-off special to commemorate the 40th anniversary of the classic show, self-confessed Dad's Army fan Jonathan Ross is joined by the show's stars, including Ian Lavender, Clive Dunn, Bill Pertwee and Frank Williams, plus celebrity fans Ronnie Corbett, Jon Culshaw and John Thompson.
There are also plenty of surprises in store for everyone who has watched the much-loved television comedy.
