7.40/10 1977-11-13 30 minutes.HDWhen a relative of Sgt. Wilson dies, he inherits his title. Then, when a Russian factory worker visits the town to boost Anglo-Russian relations, Mainwaring is asked to present the key to the town - until the mayor hears about Wilson's title, and asks Mainwaring to step down.Year: 1977Studio: BBC OneCountry: United Kingdom