Season
- Season 1 1971-10-30
Episode
- Episode 1: Primitive Law
- Episode 2: Fear of Tirano
- Episode 3: Taka's Revenge
- Episode 4: Pursuit full of Wounds
- Episode 5: The Yamaneko Tribe's Conspiracy
- Episode 6: Fight for the Hunting Grounds
- Episode 7: A Blood-stained Hero
- Episode 8: Fated Encounter
- Episode 9: Devil Stone
- Episode 10: Giant in the Blizzard
- Episode 11: Wrath of the Mountain God
- Episode 12: The Training of Misunderstandings
- Episode 13: Fire Trap
- Episode 14: Grave of the Heroes
- Episode 15: Paradise in the Southern Seas
- Episode 16: Human Beast
- Episode 17: Desperate Cry at the Cliffs
- Episode 18: The Uncontrollable Mammoth
- Episode 19: Barking Wolf
- Episode 20: Slave Hunt
- Episode 21: Human Fangs
- Episode 22: Towards Tomorrow
Ryu the Primitive Boy Season 1 Fear of Tirano
When Ryuu is born his tribe tries to sacrifice him to a Tyrannosaurus named Shirano because of the color of his skin. He is however saved by a monkey who raises him as her own son. Meanwhile Ryuu's mother has left the tribe and is out on a quest to find Ryuu.
16 years later Ryuu meets a girl named Ran who was sold to the tribe Ryuu originaly came from. The tribe is not happy to see Ryuu alive and tries to sacrifice him again, this time by burning him alive. Before they can get the deed done the tribe is massacred along with Ryuu's adoptive mother by Shirano. Ryuu then sets out on a quest together with Ran to find his mother and Ran's brother Don.
