Teenage Mutant Ninja Turtles (1987): Season 5, Episode 21
5 - 21: Planet of the Turtleoids (1)
The turtles, Groundchuck and Dirtbag are taken to Shellri-La by an alien "Turtleoid" named Kerma. Kerma seeks help from the turtles to defend his planet from a two-headed dragon named Herman the Horrible.