A man who fell into the desert has no memory. He is named Daisuke and hits it off with Koji Kabuto, who picked him up. As unidentified forces attack...

Duke defeats the Vega forces, but loses his senses and flies away eventually landing on Ogami Island. Koji follows him and just as he meets the...

Duke's anger burns up in the despicable cassado. He makes Grendizer run wild, but he remembers his promise to Koji and stops. Duke regrets that he...

Reunion with childhood friend Naida. It brings a brief moment of peace to Duke. However, she approached Duke as an enemy of her brother Sirius. The...

Duke's sister, Maria, came to earth after her brother. However, Maria looks down on the unexplored planet Earth with girlish arrogance. Meanwhile,...

Teronna, a female knight who can be said to be Duke's best friend, landed on Earth. Unlike the previous Vega army, Teronna offers a fair game, but...

Investigation of super-ancient ruins was underway on Aijin Island. A new weapon of the Vega army is released in the nearby sea. Grendizer is dragged...

Duke receives a message from the flying beast and reunites with Rubina, who has come down to Earth. Duke begins to tell the truth about the tragedy...

The Photon Power Research Institute is finally directly attacked by the Vega Star Alliance. It is invaded by a melee combat unit led by Blacky, and...

Koji and the others activate the new Mazinger and finally start a counterattack. On the other hand, a masked man aiming for Duke was waiting for him...

Berlin was destroyed by the Super Vega curved gun. Malice is spreading on Earth, and the spearhead is being directed at Duke. In order to stop any...

Koji and his friends enlist Hikaru's help to destroy the Super Vega Cannon and head off into space. The Vega Star dispatches the strongest Vega beast...

Red flowers were scattered. Duke, who was swallowed up by anger, once again made Grendizer run wild. If we don't kill Duke, won't Grendizer stop? The...