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.

The Shaftesbury Theatre is a West End theatre, located in Shaftesbury Avenue, in the London Borough of Camden. It opened in 1911 as the New Prince's Theatre, with a capacity of 2,500. The current capacity is 1,416. The title "Shaftesbury Theatre" belonged to another theatre lower down the avenue between 1888 and 1941. The Prince's adopted the name in 1963.