Revenge is Never Sweet is the 102nd episode of He-Man and the Masters of the Universe, written by Douglas Booth and directed by Ernie Schmidt. Only He-Man can help Evil-Lyn when Kothos seeks revenge against her...and then only He-Man can help Kothos when Evil-Lyn wants revenge as well. This episode serves a sequel to Kothos's first appearance, "The Witch and the Warrior," in which Evil-Lyn transforms him into a sand slug for stealing her magic. Additionally, this is the first appearance of the Roton vehicle in the series.