Continuity mistake: Brains sprays the space man in the grey suit with chocolate, covering his face, but in all following shots the spaceman's face is clean.
Continuity mistake: In the warehouse when the gang are spraying the "spacemen" with the fire extinguishers, the spacemen keep changing position between shots, especially the one in the yellow suit and the one in the orange suit.
Continuity mistake: There is a black label on the back door of the blue van which is bigger when the van arrives at the warehouse than it was earlier in the episode.
Continuity mistake: In the first scene when Brains is trying to convert the TV set from black and white to colour, in some shots there are no lenses in his glasses.
Continuity mistake: When Brains says "their leader must be in there" Doughnut and Spring change places.
Continuity mistake: When the gang are spraying the "invaders" with fire extinguishers, Billie and Spring change places between shots. Doughnut also moves further forward.
