Where to Watch
Available platforms
Not available on VOD in your region.
⚠ Availability may change. Data provided by JustWatch via TMDB.
Classic 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
AI Spotlight
Cast
Creators
Directed by
Written by
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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
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
Where to Watch
Available platforms
Not available on VOD in your region.
⚠ Availability may change. Data provided by JustWatch via TMDB.
Classic 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
AI Spotlight
Cast
Creators
Directed by
Written by
You might also like
Mazinger Z: Infinity
2017
Godzilla vs. SpaceGodzilla
1994
Giant God Warrior Appears in Tokyo
2012
Godzilla vs. Megalon
1973
King Kong Escapes
1967
Yatterman
2009
Kaiju No. 8: Mission Recon
2025
Attack on Titan II: End of the World
2015
Godzilla Against MechaGodzilla
2002
Transformers: Beginnings
2007
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
Where to Watch
Available platforms
Not available on VOD in your region.
⚠ Availability may change. Data provided by JustWatch via TMDB.
Classic 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
AI Spotlight
Cast
Creators
Directed by
Written by
You might also like
Mazinger Z: Infinity
2017
Godzilla vs. SpaceGodzilla
1994
Giant God Warrior Appears in Tokyo
2012
Godzilla vs. Megalon
1973
King Kong Escapes
1967
Yatterman
2009
Kaiju No. 8: Mission Recon
2025
Attack on Titan II: End of the World
2015
Godzilla Against MechaGodzilla
2002
Transformers: Beginnings
2007