Grendizer, Getter Robo G, Great Mazinger: Decisive Battle! The Great Sea MonsterTrailers
A giant sea monster known as Dragonsaurus has emerged from out of nowhere, terrorizing the depths of the oceans. Great Mazinger, Grendizer and the Getter Robo G team join forces to combat the new threat. But their task becomes more complicated when Dragonsaurus swallows up Boss Borot and makes its way towards Tokyo. Source: ANN
Reviews
StunnaKrypto
Self-important, over-dramatic, uninspired.
Skunkyrate
Gripping story with well-crafted characters
Tyreece Hulme
One of the best movies of the year! Incredible from the beginning to the end.
View More
Ava-Grace Willis
Story: It's very simple but honestly that is fine.
Similar Movies to Grendizer, Getter Robo G, Great Mazinger: Decisive Battle! The Great Sea Monster