The world of Eternia in the aftermath of Skeletor's war on Castle Grayskull, which he has won after seizing Grayskull and the surrounding city using a cosmic key developed by the locksmith Gwildor. The Sorceress is now Skeletor's prisoner and he begins to drain her life-force as he waits for the moon of Eternia to align with the Great Eye of the Universe that will bestow god-like power upon him.
- Genre: Action, Fantasy, Science Fiction, Adventure, Thriller
- Studio: Cannon Group, Pressman Film, Golan-Globus Productions
- Keyword: saving the world, hero, key, skeleton, time travel, wretch, super power, aftercreditsstinger, sword and planet
- Cast: Dolph Lundgren, Frank Langella, Meg Foster, Billy Barty, Courteney Cox, Robert Duncan McNeill