Professor Ochanomizu neemt een gehavende robothond mee naar huis om die te repareren. Kort daarna krijgt hij bezoek van een mysterieuze man die zegt de eigenaar te zijn.
Gastrollen:
Youko Hikasa(Atom (voice)), Minori Suzuki(Uran (voice)), Rikiya Koyama(Hercules (voice)), Mamoru Miyano(Epsilon (voice)), Eizou Tsuda(Tenma (voice)), Romi Park(Helena (voice)), Toshio Furukawa(Ocanomizu (voice)), Hiroshi Yanaka(Hoffman (voice)), Kazuhiro Yamaji(Abra (voice)), Kiyomitsu Mizuuchi(Schelling (voice)), Masafumi Kimura(Adolf (voice)), Shozo Iizuka(Darius XIV (voice)), Arisa Sekine(Hans (voice)), Chika Fujimura(Ilsa (voice)), Ikkyuu Juku(Old Man (voice)), Tsuguo Mogami(Becker (voice)), Shogo Sakata(Policeman C (voice)), Yuuki Hoshi(Arnold (voice)), Masaki Nakanishi(Airborne Robot (voice)), Yutaka Aoyama(Nakamura (voice)), Ikuya Sawaki(Leader (voice)), Masamichi Kitada(Yamagishi (voice)), Masami Iwasaki(Man (voice)), Kenji Hamada(Yūjirō (voice)), Mariko Nagai(Takashi (voice)), Akira Kuwabara(Takashi's Mother (voice)), Kengo Tsujii(Lieman (voice)), Seirou Ogino(Detective A (voice)), Fumitake Ishiguro(Policeman B (voice))