The.Double.Deckers (Episode 4) (1971)

Ep 4: Starstruck. The gang are hunting for autographs at the gates of a film studio when a glamorous film star's dog escapes and goes inside. The gang decide to go look for it for her, and in the process they end up causing chaos throughout the studio. Starring Peter Firth, Gillian Bailey, Brinsley Forde, Michael Audreson, Bruce Clark, Douglas Simmonds and Debbie Russ, with David Lodge, Liz Fraser, Bob Todd and Hugh Walters among the adult cast.