

UFO Robot Grendizer vs. Great Mazinger
1976 · 24 min · Animation, Action, Adventure, Science Fiction
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.
- Director
- Osamu Kasai
- Writer
- Keisuke Fujikawa
- Released
- March 20, 1976
- Language
- Japanese
Cast
Where to watch in the US
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Streaming data from JustWatch, via TMDB.







