1951-

Bruce Wayne becomes the hero Batman, fighting crime in Gotham city.

1952-

Doctor Shinzo Mafune discovers two colossal hollow earth kaiju called the TITANS, but when he tells the scientific community about his discovery, he is laughed off as insane and booted out of the scientific community. Enraged, Mafune swears revenge on mankind.

1953-

A planet of warlike aliens is discovered by a godzilla named Kunin. He attempts to convince them to reject their warlike ways. However, the leader refuses, and decides to conduct an attack. Knowing he would be unable to actually hurt Kunin, he gets his men to inspect Kunin's mind and discover his pregnant wife Rozan. They kidnap Rozan and lure Kunin to a moon where they were containing her. They order Kunin to work for them, and when he refuses, Rozan is sent to earth, left alone to roam the planet.

1954-

The Castle Bravo hydrogen bomb test kills most of the godzilla colony living under the sea, and mutates the only survivor into GODZILLA I, as well as mutating the wandering Rozan. The enraged Godzilla attacks several fishing vessels, before appearing on Odo island. After leaving, he attacks a pleasure cruise, and then Tokyo itself, withstanding all of the JSDF's attempts to stop him. Thankfully Godzilla is killed in Tokyo bay the next day by the oxygen destroyer weapon, along with its creator Daisuke Serizawa.

1955-

Rozan is attacked by an Anguirus who had wandered onto the surface, and fights back out of fear and raging pregnant hormones. This battle is witnessed by pilots Shoichi Tsukioka and Kojikawa Kobayashi. Rozan and the Anguirus end up falling into the ocean, allowing the two men to escape and report their story to the authorities. A blackout is enforced on the city of Osaka to keep the 2 monsters from making landfall, but a refinery fire breaks out that night, which attracts them both. They battle in Osaka, and Rozan kills Anguirus. A day later, she is trapped in ice by the JSDF.

1956-

The Godzilla countermeasures center is created, and Doctor Hikaru Shida (who the scientific community considered more insane than Mafune) builds a giant robot replica of his daughter in order to fight Godzilla. Shida also discovers the hollow earth and falls in love with one of its mermaids. At the same time, a group of American scientists head to a recently erupted volcano to find fossils. They discover the frozen monsters, and take them to their ship. However on the way to San Francisco the monsters are freed by a lightning bolt and attack Tokyo. The robot daughter kills all of them but the godzilla, who ends up falling in love with her. He takes her to his home and screws her, but as he climaxes a hydrogen bomb in her body goes off, locking away the hollow earth and leaving only Godzilla's heart left.

1962-

The terrorist organization Red Bamboo builds a base on Letchi island, and their nuclear waste mutates a shrimp on the island into the kaiju EBIRAH, as well as creating a giant condor. They kidnap people from the nearby infant island and force them to make yellow liquid that allows the Red Bamboo to control Ebirah.

1964-

A strange looking boy is discovered roaming Hiroshima by doctors James Bowen, Sueko Togami, and Kenichiro Kowagi. They take the boy in and study him, and theorize that the boy had been irradiated in the bombing and consumed Frankenstein's monster's heart, turning him into a mutant. However, the boy eventually begins growing rapidly and escapes. At the same time, Godzilla fully regenerates within the hollow earth, being much bigger and stronger than the previous two. Enraged, he attacks the Akita oil plant, and then several villages. Since most of his village raids left no survivors, the authorities blame them on Frankenstein. Godzilla and Frankenstein eventually fight on Mount Fuji, until being dropped into the earth by an earthquake.

1965-

A band of castaways land on Letchi island and discover the Red Bamboo's base, as well as the slumbering Kong. they reawaken the giant ape, who manages to drive Ebirah off. Afterwards the ape takes an interest in Daioh, an infant island native who escaped captivity, saving her from the giant condor. Kong eventually fights Ebirah again, defeating him, and then tries to fight Mothra, who had come to save the humans. Mothra defeats Kong, and they both escape the exploding island.

1966-

The evil Doctor Klaus Finster takes control of Godzilla, who had emerged from the hollow earth after killing Frankenstein's monster, and says that he would destroy Japan unless given 20 million dollars. Batman and Robin oppose him, and learn of Godzilla's involvement, as Finster had claimed to be using a weather control device. Batman manages to knock Godzilla out, and Japan wants to send him to space. With no rocket that could carry Godzilla, he is turned into a rocket and sent to space, seemingly ridding humanity of him forever.

1967-

A giant gray haired creature resembling Frankenstein's monster attacks a fishing ship, killing all but one man, who tells his story to the authorities. Doctors Bowen and Togami don't believe that the creature, later dubbed GAIRA, could be the creature they raised, as he was dead. Gaira later attacks a nightclub in Tokyo, and the JSDF plan to kill him using "Maser cannons." They almost succeed, but a white haired mountain Frankenstein later dubbed SANDA appears and saves him. Sanda helps Gaira recover, but when he sees his brother's diet of humans, he attacks him. The two monsters battle, and are eventually killed in Tokyo bay by an underwater volcano.

1968-

With the Frankenstein brothers having proved that the kaiju threat was still alive, the Worldwide monster science organization (Or G-force) is formed. Soon after, Happy Pharmaceuticals discover King Kong, now living on an island called Faro, and kidnap him to use as a mascot for their company. At the same time, Rozan accidentally is freed from her icy tomb by the american submarine Seawolf. The two monsters eventually battle on Mount Fuji, and thanks to absorbing electricity, Kong is able to kill Rozan, and he leaves right after.

1970-

The space monster REDMOON arrives from the moon, while Erabus is awakened by an attempt by an entrepreneur to exploit her blood for profit. The JSDF lures the two monsters together in an attempt to get them to kill each other. However, the two monsters end up falling in love and becoming mates, being different members of the same species. The two have a son called HAFUN. When the JSDF discovers Hafun, a soldier whose family had been killed by kaiju kills him. Enraged and grief-stricken, Redmoon and Erabus attack Tokyo, and are opposed by the new G-force super submarine GOTENGO. The Gotengo kills Erabus, and Redmoon destroys it in turn before leaving.

1971-

A plane crashes down in Africa, and a man named Nomura (An employee of Nishio products) goes to check the wreckage. They discover that a baby survivor had been taken in by Kong, who had arrived in Africa. The baby is taken, and Kong begins looking for it. Later, Rozan's body is recovered from the ocean to be used as a display in Hanamaru land. Kong comes ashore looking for the baby, and in response Rozan is revived by electricity to fight him. The two monsters fight twice, with both eventually seemingly perishing in Mount Asho.

1972-

The alien Pico brains attack earth using the mind controlled monsters Gigan, Megalon and King Ghidorah, and a godzilla tower as a base. At the same time, Godzilla fully regenerates in space and flies back to earth. Sensing the threat to his territory, Godzilla reconvenes with his old friend Anguirus, and they head to battle. At the same time, Pico has Gigan attempt to crack open Majin Tuol to use as a vessel, but the statue comes to life and fights him. Eventually all the monsters converge at the Godzilla tower, and battle in a 3 on 3. The earth monsters win, killing Megalon as Gigan and Ghidorah, freed from Pico control after their destruction, flee into space. Majin Tuol then returns to his slumber, as Godzilla and Anguirus search for a surface home.

1973-

The smog monster HEDORAH arrives on earth to consume its pollution. At the same time, Godzilla attacks Japan to feast on its nuclear reactor's energy, and Rozan emerges from Mount Asho, sensing Godzilla and heading to him. The 3 monsters eventually converge in Tokyo, and a free-for-all breaks out. Rozan ends up fleeing as Hedorah transforms into his final form. Godzilla and Hedorah battle to a standstill until the JSDF dries Hedorah out with giant electrodes. Godzilla then absorbs a nuclear reactors radiation and heads out to sea.

1974-

The Simian aliens, their planet about to be consumed by a black hole, build a mechanical replica of Godzilla to conquer earth called MECHAGODZILLA, as well as discovering and controlling Gigan. Mechagodzilla attacks Tokyo disguised as Godzilla, but the real Godzilla soon emerges and exposes the imposter. The two battle to a draw, and afterwards Godzilla goes to get Anguirus to help. Later, Gigan attacks infant island, and he and Mothra get into a scuffle as Mechagodzilla arrives in Zanpamisaki and begins destroying it. Godzilla and Angurius arrive as Mothra and Gigan do, and a great battle ensues between earth and space monsters. Godzilla eventually rips off MG's head, and GIgan flees back to space. The monsters then return home afterwards, Godzilla and Anguirus now having Mothra as an ally.

1975-

The Simians launch a second wave of invasion, aided by Mafune, who now controlled the titans. The titans and a rebuilt Mechagodzilla (Now controlled by Mafune's daughter Katsura, who the Simians had previously turned into a cyborg) battle Godzilla, easily trouncing him. However, INTERPOL is able to incapacitate the titans, and Katsura sacrifices herself to stop Mechagodzilla. With the machine immobile, Godzilla destroys it with his atomic breath and returns to sea.