Manga artist Gengo Odaka lands a job with the World Children's Land amusement park only to become suspicious of the organization when a garbled message is discovered on tapes. As Gengo and his team investigate, Godzilla and Anguirus quickly decipher the message and begin their own plan of action.

Inventor Goro Ibuki creates a humanoid robot named Jet Jaguar. It is soon seized by an undersea race of people called the Seatopians. Using Jet Jaguar as a guide, the Seatopians send Megalon as vengeance for the nuclear tests that have devastated their society.

An Okinawan prophecy that foretells the destruction of the Earth is seeming fulfilled when Godzilla emerges to return to his destructive roots. But not all is what it seems after Godzilla breaks his ally Anguirus's jaw. Matters are further complicated when a second Godzilla emerges, revealing the doppelgänger as a mechanical weapon.

A submarine expedition to salvage the remains of Mechagodzilla is thwarted by a massive dinosaur named Titanosaurus. An Interpol investigation leads biologist Ichinose to uncover the work of Dr. Mafune and his mysterious daughter Katsura. Aligned with the Black Hole Aliens, Katsura's life becomes entwined with the resurrected machine.

The advertising director of Pacific Pharmaceuticals, frustrated with the low ratings of their sponsored TV program, seeks a more sensationalist approach. He orders his staff to Faro Island to capture King Kong for exploitation. As Godzilla re-emerges, a media frenzy generates with Pacific looking to capitalize off of the ultimate battle.

Ichiro Miki is a child living in the industrial district of Kawasaki, where his parents' constant struggle to make ends meet often leaves the schoolboy alone. Constantly teased by a bully nicknamed Gabara, his only friends are toy consultant Shinpei and fellow classmate Sachiko. Ichiro turns to escapist dreams of Monster Island where he befriends the equally bullied Minilla.

A French corporation goes head-to-head with an American web media company for the rights to a 3-D manga pornography studio, resulting in a power struggle that culminates in violence and espionage.

Mothra and her fairies return to Japan to warn mankind that they must return Kiryu to the sea, for the dead must not be disturbed. However Godzilla has survived to menace Japan leaving Kiryu as the nation's only defense.

After a meteorite unleashes a three-headed beast upon Tokyo, Mothra tries to unite with Godzilla and Rodan to battle the extraterrestrial threat.

A prehistoric monster called Gigantis emerges alongside another creature named Angurus.

The tyrannical Lord Danjo Mikoshiba covets the rich, fertile lands surrounding Lake Yakumo. During a memorial ceremony for the late Chigusa lord, Mikoshiba launches an attack, overthrowing the honorable Lord Juro. Just when all seems lost, Daimajin rises from Lake Yakumo to settle a score of his own.

When two young lovers are savagely beaten and tortured on a back country road in Texarkana, local police are baffled and must find "the Phantom Killer" before he can kill again.

An adaptation of the Rankin/Bass cartoon, "The King Kong Show". King Kong is brought in by the evil Dr. Who to dig for Element X in a mine when the robot Mechani-Kong is unable to do the task. This leads to the machine and the real Kong engaging in a tremendous battle atop Tokyo Tower.

A young teacher on her way to a position in Transylvania helps a young man escape the shackles his mother has put on him. In so doing she innocently unleashes the horrors of the undead once again on the populace, including those at her school for ladies. Luckily for some, Dr. Van Helsing is already on his way.

In a boorish future, the government sponsors a popular, but bloody, cross-country race in which points are scored by mowing down pedestrians. Five teams, each comprised of a male and female, compete using cars equipped with deadly weapons. Frankenstein, the mysterious returning champion, has become America's hero, but this time he has a passenger from the underground resistance.

Astronauts Glenn and Fuji investigate Planet X and encounter mysterious aliens known as the Xiliens, who ask Earth's people to help save their world from "Monster Zero". In exchange for borrowing Godzilla and Rodan, the Xiliens offer a cure for cancer. As Glenn investigates, he develops a romance with Miss Namikawa and uncovers the Xilien's true intentions.

Originally released in Japan as "The Return of Godzilla" in 1984, this is the heavily re-edited, re-titled "Godzilla 1985". Adding in new footage of Raymond Burr, this 16th Godzilla film ignores all previous sequels and serves as a direct follow-up to the 1956 "Godzilla King of the Monsters", which also featured scenes with Burr edited into 1954's "Godzilla". This film restores the darker tone of the original, as we witness the nuclear destruction of giant lizard terrorizing Japan.

Reporter Goro Maki stumbles upon scientists conducting weather experiments on Sollgel Island in the South Seas. He discovers the island is inhabited by giant mantis and a woman named Saeko who's been cast away since the death of her father. The pair soon find a helpless infant monster that Godzilla must adopt and learn to raise as one of his own.

A mysterious extraterrestrial being resembling Godzilla rapidly approaches Earth. The monster, dubbed SpaceGodzilla, lands to challenge the King of the Monsters.

JSDF pilot Akane has a fateful encounter when a new Godzilla emerges in Tateyama. As a countermeasure, a cyborg named Kiryu is constructed from the remains of the original. The machine is discovered to harbor the restless soul of the original monster as Akane must learn to find value in her own life as well.