Blackstar

Blackstar is an American 1981 cartoon from Filmation. It originally aired over CBS between 12 September and 5 December 1981.

Plot
An astronaut from Earth named John Blackstar swept through a black hole when his spacecraft crashes onto the planet of Sagar. He there asssists the Trobbits in the battle against the Overlord for the Powersword and Starsword.