Visible crew/equipment: Doughnut is standing on the platform on the bus after the gang refuse to let him in because he is late. When the gang come out to wish him a happy birthday a boom mike shadow is visible on the wall behind him.
Here Come the Double Deckers (1970)
1 visible crew/equipment mistake in Get a Movie On
Starring: Peter Firth, Brinsley Forde, Gillian Bailey, Michael Audreson
Continuity mistake: When the gang first arrive at the stately home Albert parks his car next to a coach. When the camera angle changes the car has moved back a few yards, and when the gang leave the car has changed position completely.