第11話: アストロボーイと未来の少年が、少年の行方不明の父親を探すために古代世界へ旅をする。

11

A boy who comes from the future is looking for his father, who has gone to capture ancient creatures and has never come back. So Astro Boy and the boy depart for the ancient world in search of the boy's father. (Source: Tezuka Productions)