Tonton Streaming Thundarr the Barbarian (1980) S1E6 - Attack of the Amazon Women

Thundarr, Princess Ariel, and Ookla come to the aid of a race of amphibious Amazons led by the deposed Queen Diona who has been usurped by Stryia, an evil half-human, half-shark wizard-queen who plans to conquer both the land and seas with her shark legion army.