Ninpou futago kikai juu toujou
- Episode aired Oct 14, 1973
Dr. Hell intends to blow up the research institute with a cobalt bomb and sends two twin robots, Brozas S1 and S2Dr. Hell intends to blow up the research institute with a cobalt bomb and sends two twin robots, Brozas S1 and S2Dr. Hell intends to blow up the research institute with a cobalt bomb and sends two twin robots, Brozas S1 and S2