The once-beautiful planet Eternia lies devastated, a victim of the demonic Skeletor and his vile minions. Momentarily vanquished, Eternian hero He-Man and his forces of good escape to a land of strange creatures and customs: Earth, the next battlefront in the quest to become Masters of the Universe. Who awaits the beckon of Skeletor’s cadaverous finger? Evil-Lyn (Meg Foster), the Air Centurions and the ghastly foursome of Beastman, Saurod, Blade and Karg. And assisting He-Man? Teela,Man-at-Arms, puckish Gwildor (Billy Barty). And two small-town America kids who stumble across the lost Cosmic Key — and share an adventure beyond their wildest dreams.