Original Airdate: ?/?/1983
Zodac informs the Sorceress of a cataclysmic event about to take place. The Sorceress summons Adam, who along with Cringer and Orko manage to ditch Teela. He-Man, Battle Cat and Orko travel to Castle Grayskull where the Sorceress explains that Skeletor is about to obtain the Starseed. The Starseed is an extremely powerful object that can give the individual who wields it, the power to do anything. The heroes pursue Skeletor, Beast Man and Mer-Man who operate a drilling machine. Skeletor captures Orko, thus He-Man agrees to work for his enemy in order to secure Orko's safety. Upon locating the entrance wherein lies the Starseed He-Man and Skeletor battle Crystal Demons, and He-Man is freed of his service to Skeletor. Orko locates the Starseed but swaps it with a yellow rubber ball. Skeletor claims the Starseed, but realizes that it is a fake. He-Man holds the Starseed, but the sheer power begins to twist his mind, making him evil. He-Man wins the mind battle and Skeletor escapes. Zodac tells He-Man that the Starseed was a test of his great power.
Synopsis by Zadoc Angell