 Craig Charles was shot in front of a bluescreen to make him appear one foot tall, while this was added to the other crew's footage, who were also involved in blue screen, as they run by the small Lister.The 1935 film "Bride of Frankenstein" is referenced by the Cat regarding the way he looks when he cannot use an electrical socket to blow-dry his hair.Rimmer initially concludes that the spacecraft encountered is alien and that it is attempting to contact the Red Dwarf crew in order to return Glenn Miller.