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 - chronological order
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.