7.4 UFO Robot Grendizer vs. Great Mazinger Mar. 20, 1976 UFO Robot Grendizer vs. Great Mazinger IMDb: 7.4 1976 24 min 206 views 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 ... ActionAdventureAnimationScience Fiction
