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
Sylvia Anderson in 1968, Turner commented: "we wanted a glamorous blonde and [Anderson] was the obvious choice." In 1966 and 1968, Anderson produced two feature-length films based on the "Thunderbirds" story, "Thunderbirds Are Go" and "Thunderbird 6". She was co-creator with Gerry Anderson for the series "UFO" (1969-1970) on which she co-produced, was responsible for fashions on the show, and did the majority of the casting. The Andersons' creative partnership ended when their marriage broke down during the production of the of "" in 1975. Gerry announced his intention to separate on the evening of the wrap party, following which Sylvia ceased