He-Man clash with Skeletor, in which Skeletor was flung deep beneath Castle Grayskull into a pit filled with steaming liquid. The film ended with a post-credit scene in which Skeletor emerged from the liquid and proclaimed, "I'll be back!". After the end of the Masters of the Universe toy line, Mattel attempted to revive interest in He-Man by producing a new toy line, entitled "He-Man". The accompanying storyline in the mini-comics packaged with the figures explained that He-Man had left Eternia and pursued Skeletor into the depths of space, where Skeletor had set his sights on conquering the distant world of
He-Man in a 90-minute series premiere, in which the 16-year-old Prince Adam was summoned to Castle Grayskull by the Sorceress to assume the identity of He-Man and his role as Eternia's defender. The portrayal of his character in this series was consistent with Filmation's portrayal, although the character of Prince Adam was brasher and more youthfully energetic than his 1980s counterpart (conveying the image of a teenage boy saddled with the responsibility of defending a planet from evil). The Adam/He-Man character was redesigned, to make the character's secret identity more credible. The third-season episode "The Power of Grayskull" revealed Adam/He-Man to