In the tenth episode the Shiranui Clan is destroyed but their place is taken by the skull-symboled Phantom Militia (A.K.A.

Strangely, although Gentaro knows Iron King's time limit comes from using up his water supply he never manages to connect it with Goro's omnipresent thirst until the final episode. In addition, transforming into the water-powered Iron King quickly dehydrates Goro, and he can only remain as Iron King for a short period of time. However, often Iron King is unable to defeat the clan's giant robots without help from Gentaro, who wields a weapon called the Iron Belt that can become a slender rapier-like sword or an infinitely extendable metal whip capable of hurting giant monsters. In an unusual direction for such tokusatsu programs, it is not the heroic but often surprisingly ruthless Gentaro but the bumbling, bespectacled Goro who has the power to become the giant cyborg superhero Iron King by touching the medals on the sides of his unique red Turning Hat and shouting 'Iron Shock!' when danger threatens.

In response to this terrorist threat, Japan's National Security Organization sends agent Gentaro Shizuka (pop star Shoji Ishibashi), disguised as what can best described as a spaghetti western version of a singing cowboy, to stop their plans with the assistance of the comical Goro Kirishima ( Mitsuo Hamada). Each armored ninja-like member of the clan controls a gigantic robot warrior in order to overthrow the 'Yamato Government,' as they call it.

The Shiranui Clan have planned for 2000 years to conquer Japan in retaliation for their nomadic ancestors being banished from the country by the Yamato Clan (who eventually became known as the Japanese people).

The iron king series