Thundarr the Barbarian and his companions Ookla the Mok and Princess Ariel wander a devastated future Earth and fight evil wherever they find it.Thundarr the Barbarian and his companions Ookla the Mok and Princess Ariel wander a devastated future Earth and fight evil wherever they find it.Thundarr the Barbarian and his companions Ookla the Mok and Princess Ariel wander a devastated future Earth and fight evil wherever they find it.