1 Sezon
22 Episod
原始少年リュウ - Season 1 Episode 13 Episodul 13 (1972)
- Țară : Japan
- Gen : Action & Adventure, Animation
- Studio : TBS
- Director : Shotaro Ishinomori
- Distribuție : Makio Inoue, Eken Mine, Gorō Naya
