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.
Casts: Hiroya Ishimaru, Chiyoko Kawashima, Keiichi Ogata
Director: Osamu Kasai, Johei Matsuura
Countrys: Japan
Watch UFO Robot Grendizer vs. Great Mazinger
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| Score | Rating Count | Release Date | RunTime |
|---|---|---|---|
| 7.3 | 91 | 1976-03-20 | 24 |