The Getter Robo Saga is the timeline of the original Getter Robo. The saga goes through the events of the primary timeline. The differences began with the publication of the Getter Robo Go manga which served as a sequel to previous series whereas its anime version was a remake of the original series. It is also notable for building up the characterization of Getter Rays that appeared in later publications.

Primary Timeline

The Saotome Getter Ray Research Institute has completed a robot for space exploration, the Getter Robo.

Saotome Institute

Professor Saotome	Tatsuhito Saotome	Michiru Saotome	Genki Saotome	Doctor Shikishima

Ryouma Nagare	Hayato Jin	Musashi Tomoe	Benkei Kuruma

Dinosaur War I

However, the Dinosaur Empire had risen from the depths of the Earth to retake the surface with their Mechasaurus robots. The power source of the Getter Robo, the mysterious Getter Rays are the only means able to combat them. The Empire's ruler Emperor Gore gives the order to prevent development of this energy source. So Dr. Saotome recruits three students from Asama High School: soccer captain Ryoma Nagare, loner Hayato Jin, and Judo captain Musashi Tomoe all of whom have a strong sense of justice and the ability to pilot the three high powered jets needed to form the Getter Robo and cooperate in the battle against him.

Near the end of the series, the shadow ruler of the Dinosaur Empire, Yura appears with his giant Mechasaurus weapon called Invincible Battleship Dai. Yura's attacks leave the Getter Team at a disadvantage so they attempt to use a three-staged attack using the Getter Machines armed with bombs to destroy it along with some help from anti-aircraft weapons. However due to Musashi's clumsiness the strategy failed and Ryoma and Hayato are injured.

With the group in a corner, Dr. Saotome and Michiru try a different strategy using Michiru's machine with a more powerful bomb as a sure fire suicide mission. But before Michiru can go, Musashi feeling guilty about his failure goes instead. However the Mechasaurus fought back and Musashi was unable to drop the bomb properly. But Musashi does not turn back and instead goes in for a suicide bombing attack that destroys both him and the Mechasaurus. His death was mourned by his comrades who honor Musashi as a hero.

Dinosaur Empire

Emperor Gore	Empress Jatego	Emperor Gore III	Lord Ghoul	Lord Komodo

Princess Naga	Prince Drago	Director Galeri	Professor Han	General Bat

Captain Danba	Dera	Dinosaur Soldier	Dinosaur Soldier	Reptiloids
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Chiryu Clan

Neon	Garo	Gattan

Hyakki Empire War

With the death of Musashi and the Getter Robo no longer useful, a new threat in the form of the Hyakki Empire arises. To combat this new threat, the Getter Robo G is completed and a new pilot Benkei Kuruma is called in to fight in Musashi's place.

Hyakki Empire

Emperor Burai	Doctor Gura	General Hidler	Ryuji Jin	Doctor Shikishima

Dinosaur War II

About a year after the battle with the Hyakki Empire, the Getter team returns to Saotome Labs while dealing with the Dinosaur Empire. Later, a huge meteor comes crashing from the sky and the Getter Robo and Getter Robo G are powerless to stop it. The meteor, however, is revealed to, in fact, be their thought to be dead enemy Emperor Burai. With Burai putting up a fight, Dr. Saotome decides to unleash the newest Getter robot, Shin Getter Robo. The tables have turned but Burai tells the Getter team that he was revived by someone who bore a grudge against the Getter.

This same group continued to appear in an attempt to destroy the Getter Ray research having come from a future that was ravaged by the appearance of the Getter Emperor. Benkei attempted to fight off this new enemy in the Getter Robo G but was driven underground and the fission of Getter Energy had killed him while changing the Getter G in a slow but gradual process into something else entirely. Dr. Saotome begins to show obsessive behavior with the Getter Rays and even sees the spirits of fallen enemies and allies who have agreed to use the Getter to destroy the new threat.

During an experiment to test Shin Getter, Ryoma witnesses an apocalyptic future where humanity has taken to space in Getter machines headed by Getter Emperor. Here, the Emperor is shown as being on a scale where planets are threatened by its mere existence. Meanwhile, Hayato starts to take an interest in Getter Rays especially where the human element is involved while developing a Getter machine that runs on plasma rather than Getter Energy. Ryoma begins to have doubts about the Getter Rays but the prototype Getters suddenly begin to act on their own and Getter Dragon begins to sink deeper underground in its cocoon of Getter Energy. As the enemy army continues to attack, Shin Getter is used to push them back. Ryoma begins to question about Shin Getter and the future he previously saw.

Before Ryoma could fully confront Dr. Saotome, the mysterious enemy from before attacks again going after the evolving Getter Dragon. Ryoma and Hayato goes after them and manage to push them back with the power of the evolved Dragon. Shin Getter Robo and the enemy vessel are soon sent forward through time, where Getter Emperor destroys the comparatively miniscule vessel. Ryoma and Hayato ponder the meaning of this distant future, but are returned back to their own time. But even though the battle was won, the Saotome Institute is overwhelmed by Getter Ray radiation from the Getter Dragon's cocoon with everyone being wiped out. Only Ryoma and Hayato had survived to witness the deaths of all their allies.

Metal Beast War

Sixteen years after the battle with the Hyakki Empire and a fatal accident at the Saotome Institute, Hayato Jin and Dr. Tachibana have started a project with funding from the Japanese government called the Getter-Go project to find suitable pilots for the new Getter Robo to combat the Metal Beasts of the mad scientist Dr. Lando. The pilots recruited include highly skilled athlete Go Ichimonji, Dr. Tachibana's daughter and skilled swordswoman Sho Tachibana, and former Getter mechanic Gai Daido. Together they battle Dr. Rando's forces to prevent his plans for world domination.

When Dr. Lando threatens Japan to turn over the Getter Robo, the Getter team escapes to Alaska but encounter Metal Beast forces. With the Getter badly damaged from all of the fights it got in, they are eventually helped by an international team of super robot pilots including the white supremacist Schwartz Koff who has a high dislike of the Japanese population. With the battles between sides becoming more fierce, and Schwartz falling for Sho both groups work together in battle. With the battle won but the Getter Robo badly damaged Go and Gai go back to Japan on the Getter's only remaining jet while Sho stays behind to work with Schwartz in battle.

Tachibana Labs

Doctor Tachibana	Hayato Jin	Go Ichimonji	Sho Tachibana	Gai Daido

Kei Minamikaze	Akane Mizuki	Tsubaki Akiyama	Kaede Shibasaki

International Robot Army

Professor Saotome	Tatsuhito Saotome	Michiru Saotome	Genki Saotome	Doctor Shikishima

Vega Zone

Professor Lando	Count Rasetsu	Baron Yasha	Hellraiser

Dinosaur War III

But with the battle between Dr. Lando over, the scientist was betrayed by his second in command Count Rasetsu who is revealed to be an officer of the dormant Dinosaur Empire. With Dr. Lando dead, Emperor Gore's successor Empress Jatego takes command to retake the surface and destroy their biggest threat, the Shin Getter Robo. With help from Kei Minamikaze, Go, Gai, and Hayato manage to stop the bomb Metal Beasts from destroying the Saotome Institute and inside the facility is the Shin Getter Robo, a true Getter Robot and the cause of the accident fifteen years prior to the series. Hayato has Go and his companions go find Hayato's former co-worker Ryoma Nagare while encountering the mysterious Messiah Tahir.

With the Dinosaur Empire on the move and attacking the Institute, the group manages to ward them off by piloting Shin Getter. However Go, Ryoma, and Tahir are the only ones to keep their sanity and consciousness unlike Kei or Gai. Seeing Gai go insane and later absorbed by the Getter, Go decides to destroy the Getter but is convinced to do so after the battle is over especially with the Empire trying to remake Earth into their image. Go, Ryoma, and Tahir pilot Shin Getter for a final battle and manage to destroy the Empire's forces before having Shin Getter impact on Mars' polar cap which causes it to melt and start a terraforming process.

Plant Beast War

Taking place some time after Getter Robo Go, a mad scientist named Professor Jacov had become fused with highly evolved plants called Plant Beasts and had begun spreading them over the world. To combat them, the new director of the Saotome Institute, Hayato Jin, readies a prototype Getter Robo to fight them off and recruits three pilots. Two of the pilots Dan Amakusa (whose parents used to work for Jacov and were killed right in front of him) and Goki Hagane (who lost his friends and teacher to the Plant Beasts) encounter a young man named Tsurugi Ryuki a gifted fighter who lost his father and friends to the Plant Beasts and provides information on how to defeat them. With some convincing, Hayato allows Tsurugi to join their ranks in the battle against the Plant Beasts.

Later it is revealed that Professor Jacov is merely acting on the will of the Plant Beasts that have evolved due to Getter Rays. He is then betrayed by his son Manius Jacov who then awakens the ultimate Plant Beast, Getter Gaia. The battle with the Gaia is long and difficult with the Getter at a big disadvantage. But with the Getter Energy flowing in the prototype Getter evolved into a stronger form, Getter Robo Hien and manages to make a comeback. But the Getter Gaia was destroyed a machine with open hostility to the Getter Rays, Bug. Before Bug could damage the Getter, the Getter Emperor appeared. Tsurugi, understanding what was happening took the Hien into battle alone to fight off the other Getter Machines in this alternate reality.

Saotome Institute

Professor Jin	Tsurugi Ryuki	Dan Amakusa	Goki Hagane

Armageddon Timeline

The plot opens some time after the Moon Wars, where things for the original cast have taken a turn for the worse. The main character and pilot of Getter-1, Ryoma Nagare, has been framed for the murder of the Getter Machine builder Dr. Saotome after the death of Saotome's daughter, Michiru. However, he is released from jail and is reunited on Earth—unhappily—with his old allies, Hayato Jin and Musashi Tomoe. They were summoned to fight none other than Dr. Saotome himself who has seemingly risen from the grave to threaten humanity with his ultimate creation—and most dangerous weapon—Shin Getter Dragon, a massive weapon powered by the same cosmic Getter Rays which gave life to their old weapons. However, their efforts to stop Dr. Saotome, not to mention an overzealous Japanese Defense Force who go to extremes, are in vain as the government launched nuclear weapons on Shin Dragon.

The resulting explosion and shock wave of Getter Rays wipes out 99% of the human population worldwide. Thirteen years after this catastrophe, as humanity clings desperately to life, the re-emerged Invaders threaten Earth once more. The only safeguard against this alien threat is a giant robot that emerges from the wreckage of the nuclear blast—Shin Getter Robo—piloted by an artificially created human named Go. With the help of Hayato's Super Robot Army and Go's co-pilots Kei and Gai, Shin Getter fights to keep humanity's dreams alive.

Later, Ryoma returns piloting the Black Getter to aid the new Getter team against Dr. Saotome who returns with Stinger and Cowen when Shin Getter Dragon re-activates and continues its evolution. It was also revealed that Kei was Dr. Saotome's younger daughter and Michiru's younger sister, Genki, who was adopted by Benkei. Soon the Invaders put their true plan into action by transforming Jupiter into a Getter Ray Sun and sending Ganymede, one of its moons, on a collision course with Earth; prompting both the old and new Getter teams to spring into action to save the planet.

New Timeline

Oni thought to only be from old legend have been appearing throughout Japan. Dr. Saotome, a researcher in the mysterious Getter Rays had started to create the Getter Robo to fight back against them. He just has to find the necessary pilots first. The first recruit was a street fighter in Shinjuku named Ryoma Nagare who gets wind of the Oni and joins in the battle to fight the Oni. The second was a terrorist named Hayato Jin who gains an interest in the Getter Rays. The third was the warrior monk Benkei Musashibō who owns a sword used by the legendary figure Minamoto no Raiko.

Together they face the Oni while delving into the mysterious power of the Getter Rays. Eventually they are sent back in time to the Heian Era where Raiko is and is in battle with the controller of the Oni, Abe no Seimei. With help from Raiko, the Getter Team manages to defeat Seimei but back home three years after their disappearance with a new lab things start to take a turn for the worse. During a test for an upgrade to the Getter, Ryoma is transported to an apocalyptic future where his friends have become fused with Getter Machines and are attempting to get the power of the Getter Emperor. After being brought back, Ryoma leaves the lab but Seimei returns in the form of a powerful Oni. With Seimei on the loose, Ryoma pilots the Getter again to fight back and manages to destroy Seimei.

After the battle some of the others start to doubt the Getter's power but with the threat of the Oni still present there are disagreements. Suddenly the ones who guided Seimei and the Oni appear, the Four Heavenly Kings. They attempt to destroy the Getter as it could destroy the planet and is a threat to them. The Getter Team face against them in a type of subspace while keeping the Getter Rays in check with three of Kings destroyed and their leader Tamonten destroyed by the appearance of the Getter Emperor. Wanting to fight against the Emperor and any other machine who tries to take that form, Ryoma leaves to combat them while the others go back home and think about the loss of their comrades.

Neo Timeline

The Dinosaur Empire begins an attack on New York and Musashi Tomoe pilots the Getter Robo alone to fight them, while Dr. Saotome has finished a new and more powerful Getter Robo to fight the dinosaurs: Shin Getter Robo. With Ryoma and Hayato unable to do anything, Musashi sacrifices himself by detonating the Getter Core in Getter Robo to wipe out the Mechasaurus army; resulting in the annihilation of all of Manhattan, while Emperor Gore is almost killed and was put into a critical condition. With Emperor Gore still alive, Dr. Saotome is prepared to fight back, but the Japanese government stops him with a full warrant to control all research on Getter Rays to prevent another incident like in New York after being pressured from the international community.

Five years later, the Getter team went their separate ways, with Ryoma becoming a wanderer and Hayato building the plasma powered Neo Getter Robo to defend Japan as part of the government organization NASAR. He seeks out pilots for the robot, with Sho Tachibana and Gai Daido having been recruited off-screen, a test pilot is initially shown as having died in an explosion of a test Neo-Eagle forcing NASAR to find a new candidate. Hayato scouts out the young underground martial artist Go Ichimonji as the final pilot, helps him escape when the Dinosaur Empire attempts to capture him, and has Go pilot the Getter to destroy a Mechasaurus.

With the Getter Team complete, they fight against the returned Dinosaur Empire with help from the Texas Mack, an American Robot built as a special defense presumably against the likes of the Mechasaurs. However, as the attacks become more fierce and the empire goes to the shut-down Saotome Institute, the Getter team decides to unleash Shin Getter Robo due to Neo Getter Robo becoming damaged beyond repair after a battle with an army of prototype Getters piloted by dinosaurs.

Emperor Gore is fully restored and attempts to destroy Japan. The new Getter team, now armed with Shin Getter Robo, attempt to fight Emperor Gore who grows to gigantic size and his salvaged UFO. However; due to the UFO's initial shielding, Gore's enhanced power, and the pressure from the Getter Rays; the Getter team is pushed into a corner. However, with help from Ryoma and Hayato, they are able to utilize the Getter Rays to transform the Shin Getter into a stronger form and destroy Emperor Gore before escaping seemingly no worse for wear. With the battle over, Ryoma tells Musashi that everything is over.

The credits show images of Saotome Labs being rebuilt with Hayato supervising, Ryoma establishing his dojo, Michiru playing with Genki outside of the new Saotome Labs, Dr. Saotome in a group shot of his staff with Benkei Kuruma behind and to our right, Sho practicing her swordsmanship, Gai stuffing his face, and Go relaxing in a field with a plant in his mouth. The OVA ends with a group shot of Shin Getter Robo and Texas Mack, with their pilots, in front of a mountain.

Trivia

Getter Robo has a concept linking all worlds through the multiversal, omnipotent energy source, Getter Rays. There is a forever battle dimension of Getter pilot variants, unofficially named Getter Valhalla by its fans.

Getter Continuum

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