Six more episodes from Season 1 of the 1980s animated series about the battles and adventures of the strongest man in the world. In 'Evilseed', a villainous plant-man attempts to take over the whole planet with his strange living plants. In 'Ordeal in the Darklands', Evil-Lyn frames He-Man and Man-At-Arms for capturing Mira, the daughter of the powerful wizard Kor. In 'Orko's Favourite Uncle', the evil wizard Tauron casts a spell on Orko's Uncle Montork and his pet Gark, turns them evil - and unleashes them on Grayskull. In 'The Defection', Queen Sybilline, apparently once one of the most evil sorceresses in Eternia, appears to have defected to the side of good. In 'Prince Adam No More', King Randor, preparing for a Royal tour of Eternia, chooses He-Man as his guard - but Adam, upset that he always has to play down his qualities to hide his alter-ego, convinces the King to choose him instead. Disaster strikes when the touring party is ambushed by Beast Man, and Adam, resisting the temptation to transform into He-Man, is overpowered. Finally, in 'The Taking of Grayskull', Skeletor manages to harness the powers a White Hole and suck the castle into a strange reverse dimension.