S1 • E47 Feb 17, 1968 25m
Dr. Makino, the scientist who discovered Gerontium 90, which has the power to nullify gravitational forces, visits Dr. Yamatone. At that time, Makino had already been brainwashed and had become a pawn to lure Doctor Yamatone and his team. As they approach the Gerontium dig site, the earth cracks and a monster appears. Fantaman, who seems to want to exterminate the monsters, is devoured by them. What is the fate of Doctor Yamatone and Fantaman?
