One day the group's leader Asagawa declares, "Let's build the hangar for Mazinger Z!" Having been dragged in by Asagawa, Doi and his co-workers commence putting on appearances of having taken on ...

Classics like Mitsuteru Yokoyama's Giant Robo and Go Nagai's Mazinger Z helped write the blueprint that would go on to spawn ...

Alien invaders take over Great Mazinger who is at the entrance of a museum next to Mazinger Z as symbols of peace. Grendizer fights the evil invaders and Great Mazinger is recovered. When the ...