UFO Robo Grendizer tai Great Mazinger

Alien forces seize control of Great Mazinger, which is displayed in a museum alongside Mazinger Z as a peace symbol. Grendizer confronts the invaders, successfully reclaiming Great Mazinger. A new Vegan general arrives to oversee Earth's conquest, capturing Koji Kabuto and discovering Great Mazinger through interrogation. The general takes control of the robot from the museum, where it had been preserved as a symbol of peace. Duke Fleed must now pilot Grendizer to prevent Great Mazinger from being used against humanity.

Traduzione in corso — testo originale in inglese.