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

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

グレンダイザー・ゲッターロボG・グレートマジンガー 決戦!大海獣

1976·31 min·Released
Studio: Dynamic Planning, Toei Animation
6.0TMDb
7.3IMDb
Theatrical Jul 18, 1976
Nexus ms252TMDb 74623IMDb tt0422360
🇯🇵
Japan · Japanese · Anime

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

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Part of Dynamic Pro Super Robot Collection

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Keywords

giant monstermechagiant robotkaijusuper robotmazingergetter robo

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Added May 14, 2026Updated Jun 4, 2026