Roger Gilbert is an adrenaline junkie who leads an otherwise ordinary life until one day he rides where no man had ridden before. On his ride to the planet Stardust 420, he meets an Aupian named Flou-krepto.

Space Riders is a 1984 British 'Semi-Fictional' sports drama film, directed by Joe Massot. This film stars Grand Prix motorcycle racing world champion Barry Sheene as himself. It tells the story of Sheene's pursuit of the world title, including his recovery from a near-fatal accident at Silverstone.