

Grendizer, Getter Robo G, Great Mazinger: Decisive Battle! The Great Sea Monster
6.0(23)197631m3
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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- Status
- Released
- Budget
- —
- Box office
- —
- Language
- Japanese
- giant monster
- mecha
- giant robot
- kaiju
- super robot
- mazinger
- getter robo
Top billed cast
Behind the camera
Where to watch
All optionsAvailability for Japan. Provided by JustWatch through the TMDB API.
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Release dates
JapanJP
- Theatrical18 Jul 1976
Frequently asked questions
Grendizer, Getter Robo G, Great Mazinger: Decisive Battle! The Great Sea Monster was released on 18 July 1976.
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