Join forces with He-Man and the powerful Masters of the Universe as they go up against the evil forces of Skeleton to save the planet Eternia and to protect the secrets of Castle Gray skull. To stop Skeletor's evil plot to conquer the universe He-Man, under the guidance of the mystical Sorceress, must use his superhuman power to wage an epic battle against the evil warlord and his army of henchman. Explore Prince Adam's formative years as the warrior He-Man and his earliest entanglements with the evil Skeleton, who's determined to destroy Eternia and take over the planet. Since he's only recently discovered his new abilities, Prince Adam is still learning how to use them. But with help from the Masters of the Universe, he'll harness the power to protect Castle Gray skull.