Ep. 17: Horizon, the subterranean mechanical creature
Aired on March 25, 1973
17
Episodes
- Ep. 13 · The Devil's Giant Rolling Attack!!
- Ep. 14 · Doctor Hell's Creation of Spartan 5 and Its Refusal to Fight
- Ep. 15 · The Mechanical Beast Tsunami Plot
- Ep. 16 · Orders to Assassinate Koji Kabuto!
- Ep. 17 · Horizon, the subterranean mechanical creature
- Ep. 18 · Grossam, the Bloody Pirate Gang
- Ep. 19 · Deviler X, the Flying Demon
- Ep. 20 · The Storm Summoning Mecha-Beast Stronger
- Ep. 21 · A confrontation occurs within the abandoned settlement known as the Ghost Town