چند بیگانه‌ی فضایی با طرح نقشه‌ای می‌کوشند تا کره زمین را تسخیر کنند. آن‌ها دو هیولا با نام های "شاه گیدورا" و "گیگان" را به کار می‌گیرند که از یک مرکز مخفی روی زمین کنترل می‌شوند. حال نوبت آن رسیده تا گودزیلا با کمک دوستش "آنزیلا" برای مقابله با آن ها وارد نبردی خطرناک شود...

Nuclear tests cause shock-waves that reach Monster Island and start to break the island apart. In Japan, inventor Goro Ibuki, along with his little brother Rokuro and friend Hiroshi, survive an aftershock that drains Lake Kitayama. Returning home, the trio are attacked by a trespasser, an agent for the undersea nation of Seatopia. Lead by Emperor Antonio, the Setopians steal a robot invented by Goro named Jet Jaguar. Awakening their monster god, Megalon, the Setopians command Jet Jaguar to guide Megalon in attacking the surface world. However, when Jet Jaguar breaks free and summons Godzilla into the fray, the Setopians request aid from M Space Hunter Nebula Aliens. A tag team match soon ensues between Godzilla and Jet Jaguar against Megalon and Gigan. Written by Todd A. Bobenrieth

Coming to Earth on a meteorite that falls to Earth, a microscopic alien life form later named Hedorah feeds on Earth's pollution and eventually grows into a gigantic, ever-evolving, poisonous smog-spewing and acidic sludge-secreting monster. Godzilla, Earth's defender, senses the threat and meets ''the Smog Monster'' head-on in a literal battle for Earth's survival. Written by Thomas ''The Oldschool Hero'' Cianci

وقتی نژادی بیگانه "گودزیلای آهنی" را برای نابودی شهرهای بزرگ عظیم می سازد، "گودزیلا" برای نجات انسانها وارد عمل می شود...

  بیگانگان فضایی میمون مانند برای از بین بردن ژاپن گودزیلای مکانیکی را ساخته و کنترل می کنند و در این بین گودزیلای واقعی به نبرد با آن میرود …

Inspired by the Rankin/Bass cartoon, the evil Dr. Who captures King Kong to dig for Element X when his mechanical doppelganger, Mechani-Kong, is unable to do the task. Kong escapes and soon confronts his mechanical double.

دو پسر جوان به صورت مخفیانه سوار یک سفینه فضایی می شوند و خود را در سیاره مرموز Terra می بینند. در آنجا با دشمن قدیمی گامرا، گیائوس و دو بیگانه زن که ذائقه مغز انسان را دارند، روبرو می شوند. گامرا باید بچه ها را نجات دهد...

A pair of earthquakes, in the Myojin Reef and on Myaki Island, lead to Mt. Fuji waking from dormancy. Fuji's eruption, in turn, draws a visit from Gamera. When a party of researchers is sent to Fuji to investigate, a glowing green pit on Mt. Futago sends some yellow beams that slice the craft in two. All are lost. A reporter heads toward the site and talks the boy Eiichi into leading him toward the green glow. The glow is from a giant winged creature called Gyaos who has been wakened from a long slumber by the earthquakes. It begins to hunt warm-blooded prey, including the reporter who flees a cave that little Eiichi has explored with him. Just as Gyaos is about to kill Eiichi, Gamera steps in to help rescue him. In getting the boy free, he himself suffers a deep gash on his right front leg. He goes off to heal on the bottom of the sea while the Japanese science and military community search for a way to kill Gyaos. A squad of jets is sliced and diced as they bomb the area around the pit where Gyaos is hiding. Eiichi points out that Gyaos only hunts at night. The next attempt is to position a fleet of tanks to shoot at it when it emerges from the pit. Gyaos seems immune to the shelling. It uses powerful flapping of its wings to toss the tanks about. In the end, it is Eiichi, who has a friendship link to Gamera, that suggests a forest fire will weaken Gyaos and let Gamera prevail. Gamera is finally able to get the upper hand, and drags Gyaos to its death in the crater atop Mt. Fuji. Written by Garon Smith

Gamera the Flying Turtle falls under the spell of evil aliens, but two children free him and he returns to fight the aliens' monster, Viras.

Space aliens arrive on Earth with their giant shark and intend to take over the planet but they must first destroy Gamera.

When an ancient statue is moved for display in Expo '70, a giant, vaguely Triceratops-like monster is released. The monster goes to Japan in pursuit of the statue and ends up battling Gamera, the giant flying turtle.

A logging and mining company working in Northern Japan disrupts a set of magical seals buried undergound, causing the release of Death Ghidora, an enormous, three-headed monster that had previously wiped out all life on Mars and caused the extinction of the dinosaurs on Earth. When Death Ghidora begins sucking the life out of the environment, the only thing that can save the planet from destruction is Mothra, the giant flying insect. Written by Jean-Marc Rocher