1 Season
50 Episode
Astro Boy - Season 1 Episode 32 The Secret of Blue Knight
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.
- Country : Japan
- Genre : Animation, Action & Adventure, Sci-Fi & Fantasy, Family, Comedy, Kids
- Director : Osamu Tezuka
- Cast : Makoto Tsumura, Miki Maruyama, Hisashi Katsuta, Shin'ya Ohwada, Kazuo Kumakura