After experiencing traumatic nightmares of a time now past, the Sorceress summons Prince Adam and Cringer to Castle Grayskull to give Adam a precious, jeweled sword and send the pair to the planet Etheria to investigate its secrets.
- Genre: Action, Adventure, Animation, Family, Fantasy
- Studio: Filmation Associates, Atlantic Entertainment Group
- Keyword: swordplay, sword, singapore, swordsman, rebellion, family reunion, woman director, sword and planet, masters of the universe
- Cast: John Erwin, Melendy Britt, Alan Oppenheimer, Linda Gary, George DiCenzo, Erika Scheimer