Het is alweer tien jaar geleden toen Koji Kabuto en zijn gigantische robot Mazinger Z de wereld redde van de dwaze wetenschapper Dr. Hell en zijn Underground Empire. Koji ontdekt een nieuw gevaar dat diep onder Mount Fuji is begraven. Hier vindt hij de mysterieuze levensvorm LiSA die zich bevindt in een omhulsel genaamd Infinity. Dr. Hell wil Infinity in zijn handen krijgen om zo een nieuwe poging te wagen om de wereld te vernietigen. Kunnen Koji en Mazinger Z wederom Dr. Hell en zijn aanhang verslaan?
Kouji and his friends have defeated Dr. Hell and are now enjoying a break, but suddenly a strange prophet appears and warns everyone of an oncoming danger, mechanical beasts never seen before start appearing all around the world wrecking havoc. Its up to Kouji and his Mazinger Z to stand up to this threat but it seems he is vastly outnumber and outmatched.
When a UFO arrives from space and attacks the Getter Institute, Getter Robo is launched to stop it; but the might of the UFO and its giant space monsters prove to be too much for the Getter team. Not only is Getter Robo defeated, but Ouishan is killed in action! With Getter Robo out of commission, the world's only hope appears to be Great Mazinger, but the aliens' power might also be too much for even him. Can Dr. Saotome build a new Getter Robo in time to help save Great Mazinger, Japan, and the entire world?
Doi of the Maeda Construction Company's Advertising group has little passion for his work. 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 this request from a fantasy world.
Mazinger Z vs. Devilman is a 1973 animated movie that crossed over two then-popular Anime series, both of which were created by Manga artist Go Nagai. While fighting with some of his enemies Mazinger Z inadvertently knocks them into a volcano, where they crash into the prison of the Satan race and release Phoenix Jenny! Dr. Hell, learning of this, frees the rest of the Satan race and teams up with them to defeat Mazinger Z, and their ability to fly proves to be too much for our hero. Meanwhile, Devilman is also individually fighting the members of the Satan race, but their combined power is too much for him as well; can Mazinger and Devilman put aside their differences and team up to defeat Dr. Hell and the Satan race?
Mazinkaiser vs. de Grote Generaal van de Duisternis is een hervertelling van Mazinger Z versus de Grote Generaal van de Duisternis uit 1974. Het nieuwe Mazinger-team wordt overweldigd door de verrassingsaanval van het ondergrondse Mykene-rijk, waarbij veel slachtoffers vallen, maar Mazinkaiser verslaat uiteindelijk de krachten van het kwaad en eindigt met een bitter duel tegen de leider van Mykene, de Grote Generaal van de Duisternis.
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 Vegan empire dispatches a new general to oversee the takeover of Earth, he quickly manages to capture Koji Kabuto and, learning of Great Mazinger through interrogation, quickly commandeers it from a museum where it was kept as a symbol of peace. It is now up to Duke Fleed aboard Grendizer to stop humanity's former defender from becoming its destroyer.
A giant sea monster known as Dragonsaurus has emerged from out of nowhere, terrorizing the depths of the oceans. Great Mazinger, Grendizer and the Getter Robo G team join forces to combat the new threat. But their task becomes more complicated when Dragonsaurus swallows up Boss Borot and makes its way towards Tokyo. Source: ANN
When an UFO delivers a metal-eating monster to the heart of Japan, Getter Robo and Mazinger Z are launched to combat the alien menace. Fighting individually, the space monster's metal-eating and acid-spitting abilities prove too much for Japan's super robot forces - only their combined might stands a chance against defeating it! But with Mazinger Z damaged, can Getter Robo defend against the monster long enough for its comrade to be repaired? And even with forces combined, can they defeat the monster before all of Japan is destroyed?
An edited version of the first few episodes of the classic Japanese series, this introduces the characters of Koji, Dr Hell, Baron Ashura (freaky man/woman baddie) and of course, Mazinger Z.