Flash Gordon, Dale Arden and Dr. Zarkov return to the planet Mongo for an antidote to the Purple Death, which wreaking destruction on Earth. However, Ming the Merciless has other plans for them.
An unhappy middle-aged banker agrees to a procedure that will fake his death and give him a completely new look and identity; one that comes with its own price.
Aliens from the constellation Hydra crash-land on the island of Sardinia. A prominent scientist, his daughter, several young technicians, and a pair of Oriental spies are taken hostage by the beings so they can use them to repair their spaceship's broken engine. With that done, they take off towards their home planet, taking the earthlings with them. However, the humans attempt to mutiny against their captors, inadvertently sending their tiny spaceship hurtling into the infinite beyond...
In the future world of the year 2087, freedom of thought is illegal and the thoughts of the world's populations are controlled by the government. A small band of "free thinkers" send a cyborg back in time to the year 1966 to prevent a scientist from making the breakthrough that will eventually lead to the mass thought control of the future. Our time traveler soon discovers he is not alone when government agents from the future try to prevent him from carrying out his mission.
An American intelligence agent, aided by a Chinese-American female agent, uses a time-travel belt to thwart Chinese operatives who are attempting to import to Los Angeles the materials to make an atomic bomb.
Doctor Who and his companions are hurled into the future and make a horrifying discovery: the Daleks have conquered Earth! The metal fiends have devastated entire continents and turned the survivors into Robomen.
Gaira, a humanoid sea beast spawned from the discarded cells of Frankenstein's monster, attacks the shores of Tokyo. While the Japanese military prepares to take action, Gaira's Gargantua brother, Sanda, descends from the mountains to defend his kin. A battle between good and evil ensues, leaving brothers divided and a city in ruins.
In this recorded stage debut of the original Ultraman, self-proclaimed world's number one kaiju tamer, Eiji Tsuburaya introduces Ultraman, the Science Special Search Party (SSSP), and various kaiju.
While covering a test of guided torpedoes, two reporters believe they see what appears to be a strange-looking swimming creature. They investigate the matter further and discover that there is a race of fish-men living under the sea. The fish-men capture the pair and keep them prisoner in their underwater city.
A small island community is overrun with creeping, blobbish, tentacled monsters which liquefy and digest the bones from living creatures. The community struggles to fight back.
A futuristic underwater sea-lab is having problems with a UFO that's parked between them and a nearby deep ocean trench. As they investigate, they attract the unwanted attention of a dangerous creature who puts the scientists and crew in danger.
Al Pereira, a wise-cracking superspy, investigates a series of assassinations being performed by ruthless killers with bronze skin and horn-rimmed glasses. The trail of these mindless automata leads him to the lair of a seductive villainess who has formulated a computer-powered plot to overthrow the governments of Europe. 'Cartes sur table' is at once an homage to classical Hollywood thrillers and a playful riff on the newly-popular James Bond films.
Gamera escapes from his rocket enclosure and makes his way back to Earth as a giant opal from New Guinea is brought back to Japan. The opal is discovered to have been an egg that births a new monster called Barugon. The creature attacks the city of Osaka by emitting a destructive rainbow ray from his back, along with a freezing spray capable of incapacitating Gamera.
Dr. Frankenstein's Granddaughter Maria, and her brother assistant Rudolph, moved to the old west because the lightning storms there are more frequent and intense, which allows them to work on the experiments of their grandfather. But the experiments are failing and Rudolph's been secretly killing the corpses afterwards. Meanwhile, the Lopez family leaves the town because of the evil going on there
A spaceship is sent to Mars after an alien distress signal is picked up. They find one survivor, but when a crew member is found drained of blood it's evident they have rescued a bloodsucking monster. Uses footage from Encounter in Space (1963).