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

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

19766.00h 31m

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

Directed by Masayuki Akehi
Written by Go Nagai, Susumu Takaku
Produced by Chiaki Imada
0

Top Cast

Akira Kamiya

Akira Kamiya

Ryo Nagare

Hiroya Ishimaru

Hiroya Ishimaru

Kôji Kabuto

Keaton Yamada

Keaton Yamada

Hayato Jin

Kei Tomiyama

Kei Tomiyama

Daisuke Umon / Duke Fleed

Keiichi Noda

Keiichi Noda

Tetsuya Tsurugi

Joji Yanami

Joji Yanami

Dr. Umon / Professor Yumi

R

Rihoko Yoshida

Michiru Saotome

Hiroshi Otake

Hiroshi Otake

Boss

Kosei Tomita

Kosei Tomita

Dr. Saotome

Trailer

Themes & Keywords

giant monstermechagiant robotkaijusuper robotmazingergetter robo

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

Grendizer, Getter Robo G, Great Mazinger: Decisive Battle! The Great Sea Monster is a action, adventure, animation film released in 1976 exploring themes of giant monster, mecha, giant robot, kaiju, super robot, mazinger. Directed by Masayuki Akehi, it stars Akira Kamiya, Hiroya Ishimaru, Keaton Yamada. 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

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

Discover titles like Grendizer, Getter Robo G, Great Mazinger: Decisive Battle! The Great Sea Monster — ranked by similarity and community votes

We found 15 movies similar to Grendizer, Getter Robo G, Great Mazinger: Decisive Battle! The Great Sea Monster

If you enjoyed Grendizer, Getter Robo G, Great Mazinger: Decisive Battle! The Great Sea Monster, you'll love these handpicked recommendations. Each title below shares similar themes, tone, and storytelling style. Our algorithm analyzes genres, keywords, director filmography, and cast connections to find the closest matches. Whether you're looking for the same emotional depth, narrative structure, or visual style, these picks are curated to deliver the best viewing experience for fans of Grendizer, Getter Robo G, Great Mazinger: Decisive Battle! The Great Sea Monster.

Gurren Lagann the Movie: The Lights in the Sky Are Stars
32% Match

Seven years have passed after the battle of Teppelin... Humans have since reclaimed the surface of the earth and enjoy an unprecedented period of peace and prosperity. However, humanity's increasing population growth triggers the sudden emergence of an unknown, powerful enemy. The fearsome, manipulative power of the mysterious Anti-Spiral proves too overwhelming for humans to even fight back. When everyone becomes desperate and loses hope, Team Dai-Gurren members reunite to stand up once again!

Pacific Rim: Uprising
31% Match

It has been ten years since The Battle of the Breach and the oceans are still, but restless. Vindicated by the victory at the Breach, the Jaeger program has evolved into the most powerful global defense force in human history. The PPDC now calls upon the best and brightest to rise up and become the next generation of heroes when the Kaiju threat returns.

Godzilla vs. Mechagodzilla II
29% Match

The U.N.G.C.C. (United Nations Godzilla Countermeasure Center) recovers the remains of Mecha-King Ghidorah and construct Mechagodzilla as a countermeasure against Godzilla. Meanwhile, a giant egg is discovered along with a new monster called Rodan. The egg is soon found to be none other than an infant Godzillasaurus.

Pacific Rim
28% Match

Using massive piloted robots to combat the alien threat, earth's survivors take the fight to the invading alien force lurking in the depths of the Pacific Ocean. Nearly defenseless in the face of the relentless enemy, the forces of mankind have no choice but to turn to two unlikely heroes who now stand as earth's final hope against the mounting apocalypse.

Godzilla 2000: Millennium
25% Match

An independent group of researchers called the Godzilla Prediction Network (GPN) actively track Godzilla as he makes landfall in Nemuro. Matters are further complicated when a giant meteor is discovered in the Ibaragi Prefecture. The mysterious rock begins to levitate as it's true intentions for the world and Godzilla are revealed.

Code Geass: Akito the Exiled 3: The Brightness Falls
23% Match

After discovering the face of their true enemy, someone who is related to Akito and responsible for the Geass placed upon him, W-0 attempts to return to their base at Castle Weisswolf. However, stranded in Warsaw due to a complication involving their military identification, they are forced to accept the help of local gypsies, allowing the squad to take some time to deepen their bonds. Meanwhile, Britannian advisor Julius Kingsley and his guard Suzaku Kururugi begin working together with the Knights of St. Michael in order to crush the European resistance once and for all, armed with the destructive power of a giant weapon known as the Ark Fleet.

Attack on Titan: Crimson Bow and Arrow
19% Match

When man-eating Titans first appeared 100 years ago, humans found safety behind massive walls that stopped the giants in their tracks. But the safety they have had for so long is threatened when a colossal Titan smashes through the barriers, causing a flood of the giants into what had been the humans' safe zone.

Attack on Titan: THE LAST ATTACK
19% Match

A colossal-sized omnibus film bringing together the last two episodes of Attack on Titan in the franchise's first-ever theatrical experience. After venturing beyond the walls and separated from his comrades, Eren finds himself inspired by this new truth and plots the "Rumbling," a terrifying plan to eradicate every living thing in the world. With the fate of the world hanging in the balance, a motley crew of Eren's former comrades and enemies scramble to halt his deadly mission. The only question is, can they stop him?

Godzilla: The Planet Eater
19% Match

With no means for defeating Godzilla Earth, mankind watches as King Ghidorah, clad in a golden light, descends on the planet. The heavens and earth shake once again as the war moves to a higher dimension.

Macross: Do You Remember Love?
17% Match

It is A.D. 2009 and the human race is caught in a war between giant humanoids, male Zentrans and female Meltrans. Returning from the edge of our solar system after making a space fold, the SDF-1 Macross makes the long journey back to Earth with survivors of South Ataria Island.