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.
Not streaming on a subscription service in the US right now.
Starring John Erwin, Melendy Britt, Alan Oppenheimer, Linda Gary, George DiCenzo, Erika Scheimer, Lou Scheimer