Grendizer, Getter Robo G, Great Mazinger: Decisive Battle! The Great Sea Monster (1976)
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
Release Date : July 18, 1976
Runtime : 31m
Genre : Action, Adventure, Animation
Companies : Dynamic Planning, Toei Animation
Countries : Japan
Keywords : giant monster, mecha, giant robot, kaiju, super robot, mazinger, getter robo