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.

• Filmation Associates
• Atlantic Entertainment Group
• John Erwin
• Melendy Britt
• Alan Oppenheimer
• Linda Gary
• George DiCenzo
• Erika Scheimer
• Lou Scheimer