Revealing mistake: As Spring closes the door of the bus after looking for the spacemen outside the walls wobble.
Here Come the Double Deckers (1970)
1 revealing mistake in Invaders from Space - chronological order
Starring: Peter Firth, Brinsley Forde, Gillian Bailey, Michael Audreson
Audio problem: Billie says her line "he needs a new image" without moving her lips.