Dino Boy in the Lost Valley Episode 13 Ruler of the Rock Robots / The Bird Riders / 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.