Dynamic Pro Super Robot

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 wreaking havoc. It's up to Kouji and his Mazinger Z to stand up to this threat but it seems he is vastly outnumbered, and outmatched.

When a mysterious gigantic monster, called Dragosaur, appears from the depth of the oceans and threatens the world, a team of super-robots from Japan is activated and sent out to defeat it: Grendizer, The Great Mazinger and Getter G.

Great Mazinger combines forces with Getta Robot to fight with unstoppable space monster.

The heroes of the series Mazinger Z and Devilman fighting against the evil Demon Clan.

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.

The evil Mycene Empire unleashes its army against humans in a world wide strike. Koji Kabuto must risk his life in a desperate journey to find Mazinkaiser so he can defend the Earth against this ruthless new enemy.

Ten years ago, the villainous scientist Dr. Hell led his wicked followers, known as the Underground Empire, in a struggle to destroy all of humanity. It was against these forces that the young hero Koji Kabuto fought, piloting the legendary super robot "Mazinger Z." Koji's victory stopped Dr. Hell's evil plan and returned peace to the Earth. Now Koji has left the pilot seat behind and become a scientist in his own right, following in his father's and grandfather's footsteps. Yet an unexpected encounter deep under Mt. Fuji triggers an even greater threat to mankind than ever before and alters Koji's destiny forever. With humanity's fate in their hands, Koji and Mazinger Z face a choice between good and evil.

From deep within the Earth's surface, the Dinosaur Kingdom make their move to wipe out mankind and conquer the planet with their mechanical dinosaurs. After a prototype Getter Robo is shot down by a mechanical dinosaur, the Saotome Research Institute decides to use the real Getter Robo, which is combat-capable. Due to a lack of pilots in the institute, Ryo Nagare goes to his college to persuade martial artist Musashi Tomoe and outcast Hayato Jin to join him and pilot the Getter Machines to combat the new threat and protect mankind.