Grendizer, Getter Robo G, Great Mazinger: Decisive Battle! The Great Sea Monster

Explore Grendizer, Getter Robo G, Great Mazinger: Decisive Battle! The Great Sea Monster (1976), including ReelBot’s take, cast, runtime, where to watch, and similar movies worth adding to your list.

1976 · 31 min · Action · Adventure · Animation · TMDB 6.0/10

Overview

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

Directed by Masayuki Akehi

Cast