Other mistake: When the driver of the blue van arrives at the warehouse he is out of the van and walking towards the back door of the van before the brake lights have gone out.
Here Come the Double Deckers (1970)
1 other mistake in Invaders from Space
Starring: Peter Firth, Brinsley Forde, Gillian Bailey, Michael Audreson
Audio problem: Billie says her line "he needs a new image" without moving her lips.