No. of Episodes:22 episodes
Aired:Oct. 30, 1971 - Mar. 25, 1972
In a primitive age, there was a baby boy who grew up under the care of an anthropoid ape. His name was Ryu. He fights against an atrocious dinosaur with a friend. And he takes off for a journey to look for his real mother.
(C)Ishimori Production Inc., Toei Animation