ThunderCats Season 1 Episode 37
On Lion-O’s 20th birthday, he must pass a set of trials to become the true Lord of the ThunderCats. Even though he is the hereditary Lord of the ThunderCats, he must prove himself to be worthy of that title. His first test is to beat Panthro in a duel to test his strength.
Serie: ThunderCats
Director: Tobin Wolf
Guest Star: Bob McFadden, Doug Preis, Earl Hammond, Earle Hyman, Gerrianne Raphael, Larry Kenney, Lynne Lipton, Peter Newman