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
Grendizer, Getter Robo G, Great Mazinger: Decisive Battle! The Great Sea Monster was directed by Masayuki Akehi.
Grendizer, Getter Robo G, Great Mazinger: Decisive Battle! The Great Sea Monster runs for 31min, and was released in 1976.
Sign in to join the discussion
No comments yet. Start the conversation!
Mazinger Z: Infinity
2017
Godzilla vs. SpaceGodzilla
1994
Mazinger Z vs The Great Dark General
1974
Godzilla vs. Megalon
1973
Code Geass: Lelouch of the Rebellion I - Initiation
2017
Giant God Warrior Appears in Tokyo
2012
Godzilla vs. Kong
2021
Pacific Rim
2013
Kaiju No. 8: Mission Recon
2025
Pacific Rim: Uprising
2018
Godzilla: The Planet Eater
2018
Gurren Lagann The Movie: Childhood's End
2008