Supercar (TV series) series proposed to the BBC by Hugh Woodhouse that was never produced. Anderson would later claim that the whole point of having a series based on a vehicle was to minimize having to show the marionettes walking, an action which he felt never looked convincing. The plot of the show consisted of Supercar, a vertical takeoff and landing craft invented by Prof. Rudolph Popkiss and Dr. Horatio Beaker, and piloted by Mike Mercury. On land it rode on a cushion of air rather than wheels. Jets in the rear allowed it to fly like a jet and retractable wings were
UFO (TV series) positions, so the occasional disappearance of characters—some of whom would later return in other positions—fits in with the concept of the series. Also, owing to the scheduling of the series not reflecting the production order, some episodes featuring departed cast members were not broadcast until late in the series, which can give the impression that no major cast changes occurred. Only Ed Bishop appeared in every episode. One of the female Moonbase operatives, Joanna, was played by Shakira Baksh, who later married actor Michael Caine. Producer Gerry Anderson later said that he had lost his temper with her so badly