When a giant stone statue on Wester Island is disturbed, the legendary monster Jiger appears and heads for Japan. Gamera tries to stop this new rival, only to be injured when Jiger lays eggs inside of him. As two boys in a submarine go on a dangerous quest inside of Gamera's body to save him, Jiger threatens the Expo '70 world's fair in Osaka.
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.
The frozen body of Paul Fournier is discovered in Greenland where he had disappeared during a scientific expedition in 1905. Perfectly conserved he is brought back to life in the 1960s. His descendants take care of him: to spare him the cultural shock they behave so to make believe it's 1905 and they are his cousins, uncle...
Two young boys sneak aboard a spaceship and find themselves whisked away to the mysterious planet Terra. There, they encounter Gamera's old foe Gyaos and two female aliens with a taste for human brains. Gamera must save the children and battle the new monster Guiron, whose entire body is a deadly living weapon.
In the year 2012 historian Raimo Lappalainen wants to illustrate how life was 50 years earlier. He becomes obsessed with the fate of a 1970s nude model Saara Turunen, and finds a perfect actress to reconstruct her life and death in front of a TV camera. Meanwhile, a strike at a nuclear plant is covered up by the media.
Given the chance to live in a simulated underwater home for a month, a scientist convinces his family to take advantage of the offer. Once the family agrees to move in, underwater mayhem occurs!
A groups of astronauts crash-land on Venus and find themselves on the wrong side of a group of Venusian women when they kill a monster that is worshipped by them.
At the turn of the century, all of the Earth's monsters have been rounded up and kept safely on Monsterland. Chaos erupts when a race of she-aliens known as the Kilaaks unleash the monsters across the world.
For devilishly mad "astro-scientist" Dr. DeMarco (John Carradine), a typical day involves run-ins with reanimated corpses, bloodthirsty solar-powered killer robot zombies, Chinese communist spies and vicious Mexican secret agents. But when a bloody trail of young female murder victims leads an intrepid CIA agent to his door, things get really interesting. Ted V. Mikels directs this unique B horror-thriller.
As alien invaders plot to conquer the Earth, two Boy Scouts steal a mini-submarine and discover Gamera in their midst. Transported to the alien's spaceship, the Scouts are menaced by the evil inhabitants, including Viras, a squid-like monster that grows to colossal size to battle Gamera.
While searching for oil in the deadly swamplands of the Florida Everglades, members of a geological expedition meet an insane doctor who is working on an experiment to create a creature that is part man and part alligator.
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 misguided scientist enables an alien from Venus named Zontar to come to earth in order to "help solve man's problems". However, as soon as Zontar arrives on Earth, it quickly becomes obvious that the three-eyed, bat-winged, skeletal black creature has a hidden agenda.
A government space experiment into the effects of cosmic rays on animal life goes horribly wrong, creating a mutant monster that terrorizes a rural community.