Episode 18
In order to protect the machine father from attack, the development of a spontaneous transportation device was underway on the Build Base. However, the Haniwa phantom Nume released by Himika had already started to invade the Build Base. No attack can be used against a slime like Amoeba. Yamata no Orochi appears in front of Hiroshi without him being able to do anything.
Aired 01/02/1976EP 18 - Episode 18

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.