Far away in a distant galaxy, a super hero flies through space. Aliens shudder at his name, star stealers tremble at his growl, and all wicked space things cower at his bark. These are the tales of Space Dog - Superhero of Space.

Clark goes to a planet where dogs are in charge of people.

Commanders Belka and Strelka, of the planet Gersbach, board their dog-shaped vehicle and head for earth, where they encounter Lucy Buckley and her family, attempt to capture two power-seeking renegades, and hope to save their own planet from destruction.

Space Dog journeys to the Beeper planet to find out why their moon is dripping.

Space Dog must rescue Green Moon and Pink Arkle from the sticky web that the Spindlers have woven from all the smoke and bad smells that come from long tubes attached to every building on a planet called Earth.

Space Dog isn't really a dog at all - he just looks like one! He's actually an alien from outer space who lives with Roy and his family. When Space Dog goes out without his collar, he soon lands in big trouble. Will poor Space Dog ever escape from the Save-a-Stray animal sanctuary?