Dad's Army: A Nostalgic Music and Laughter Show of Britain's Finest Hour was a 1975 stage adaptation of the BBC sitcom Dad's Army. Following the success of the television programme, the stage show was commissioned by Bernard Delfont in the spring of 1975.

Dad's Army is a British television sitcom about the United Kingdom's Home Guard during the Second World War. It was written by Jimmy Perry and David Croft, and originally broadcast on BBC1 from 31 July 1968 to 13 November 1977. It ran for nine series and 80 episodes in total; a feature film released in 1971, a stage show and a radio version based on the television scripts were also produced. The series regularly gained audiences of 18 million viewers and is still shown internationally.