Episode 13
Yamata no Orochi attacked a passenger plane and took Dr. Bose, who was on board, to the Great Kingdom. The doctor was supposed to be the chairman of the World Peace Conference to be held in Tokyo. Himika planned to declare herself as the conqueror of modern Japan through the doctor's mouth. The doctor becomes an intermediary himself and tries to find a way to peace...
Aired 28/12/1975EP 13 - Episode 13

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.