Ep. 11: Astro Boy and a future boy journey to the ancient world to find the boy's missing father.
Aired on March 12, 1963

11
A boy originating from the future arrives seeking his father, who vanished while attempting to capture ancient creatures. Because the father has not returned, Astro Boy accompanies the boy on a journey into the ancient world. Their shared objective is to locate the missing parent amidst the dangers of that distant era. This collaboration between the robotic hero and the time traveler forms the central narrative of this adventure, focusing on the quest to reunite the boy with his father who disappeared during his dangerous mission.
Episodes
- Ep. 7 · Alien doppelgangers of humans immigrate to Earth causing conflict over resources
- Ep. 8 · Dr. Ochanomizu uncovers a cloning plot in Gorgonia
- Ep. 9 · Astro Boy confronts the Black Looks group intent on destroying robots
- Ep. 10 · Astro Boy discovers a tomb and a loyal robot named Ivan on an alien planet.
- Ep. 11 · Astro Boy and a future boy journey to the ancient world to find the boy's missing father.
- Ep. 12 · Astro Boy travels to Cross Island to stop Dr. Serizawa's theft scheme
- Ep. 13 · A dying priest's mark on Jesus's eye reveals a gang's secret targeting Higeoyaji.
- Ep. 14 · Astro Boy and Sherlock Homespan confront the Kaito Kinsankaku gang's artificial sun threat
- Ep. 15 · Astro Boy Discovers Alien Water Collection from Planet Alfee