Episode 45
The Dragon Demon Emperor has gathered all Haniwa soldiers and robot soldiers and launched an all-out attack on the Build Base. The Dragon Demon Emperor demands the abandonment of the Build Base, but Dr. Shiba resolutely refuses it. Dr. Shiba goes out with a capsule and rush into the phantom fortress. Now, Hiroshi, who inherited his father's will, is embarking on the last battle with the Dragon Demon Emperor!
Aired 22/08/1976EP 45 - Episode 45

Koutetsu Jeeg
Hiroshi Shiba is an outstanding car racer whose father is assassinated upon the discovery of the Bronze Bell from an ancient civilization. This Bronze Bell is coveted by Queen Himika who comes from that ancient era; the Yamatai Kingdom, and whose ambitions are to seize the Bell and dominate earth.
Hiroshi is left with a few items from his father which would enable him to morph into a full sized mecha warrior, the Steel Jeeg. With these abilities and the help of his father's brain implanted in a computer and his assistance Miwa "Micchi" Uzuki, they set out to neutralize Himika's plans of world dominion.