Dr. X orchestrates the explosion of a plane to steal a nuclear warhead. With a nuclear battleship about to fall in Dr. X's hands, Action Man makes haste to recover the warhead, aided by his team and Dr. X's former lackey Ursula. Live action mission: Cut off Dr X's fuel supply in the North Sea. Team mate on radio: Action 2 (Knuck). Action Man's end-of-episode lesson: Making mistakes.