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When Astro and The Blue Knight try to stop illegal, underground robot fights, they are forced to fight each other. As they prepare for battle, Astro learns the truth about The Blue Knight's past.
Makoto Tsumura
Atom (voice)
Miki Maruyama
Uranium (voice)
Hisashi Katsuta
Professor Ochanomizu (voice)
Shin'ya Ohwada
Nagamiya Tenma (voice)
Kazuo Kumakura
Higeoyaji (voice)