Tonton Streaming Space Ghost and Dino Boy (1966) S1E39 - The Challenge

Zorak resurfaces and has created a metal monster that he thinks will defeat Space Ghost. He issues a challenge to Space Ghost...if Space Ghost wins, Zorak will leave and never return. If Zorak's metal monster wins, Space Ghost must be the one who leaves forever. When Space Ghost's Power Bands somehow fail him, Jan and Jace uncover the ruse.