He-Man/ThunderCats defeated villains and Cringer runs into He-Man's arms thrilled his best friend is alive. The three rush back to the ship desperate to get back to Eternia before it is too late. The four Ancient Spirits of Evil have arrived on the doorstep of Castle Grayskull while Skeletor and Mumm-Ra look on. Randor has assembled an army alongside the Thundercats and the combined heroes attack the giants. Man-At-Arms, Tygra, and Panthro assemble a cannon of combined Eternian and Thundarian tech to attack the Spirits while the others buy them time. Inside the Castle the Sorceress summons the Castle's defenses to
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