Tonton Streaming Thundarr the Barbarian (1980) S1E8 - Challenge of the Wizards

Thundarr, Princess Ariel, and Ookla are caught up in a battle between the wizards Sholow and contestants Basim, Skorpos and Chom who seek the Helmet of Power. Thundarr ends up having to side with the wizard Sholow when he threatens a group of villagers.