7.3
UFO Robot Grendizer vs. Great Mazinger
IMDb: 7.3 1976 24 min 12 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 ...
7.1
Grendizer, Getter Robo G, Great Mazinger: Decisive Battle! The Great Sea Monster
IMDb: 7.1 1976 31 min 9 views
A giant sea monster known as Dragonsaurus has emerged from out of nowhere, terrorizing the depths of the oceans. Great Mazinger, Grendizer and ...