Victor Frankenstein, a cold, arrogant and womanizing genius, is angry when his father forbids him to continue his anatomy experiments. He ruthlessly murders his father by sabotaging the old man's shotgun, consequently inheriting the title of Baron von Frankenstein and the family fortune. He uses the money to enter medical school in Vienna, but is forced to return home when he impregnates the daughter of the Dean.
Shipwrecked traveler Edward Parker (Richard Arlen) is rescued by a freighter delivering animals to an isolated South Seas island owned by Dr. Moreau (Charles Laughton). When Parker objects to the freighter's captain (Stanley Fields) mistreating M'ling (Tetsu Komai), an odd-looking passenger, the captain tosses Parker overboard into Montgomery (Arthur Hohl) and Moreau's boat.
During the siege of Richmond, Virginia, in the American Civil War, POW Capt. Cyrus Harding escapes from his Confederate captors in a rather unusual way – by hijacking an observation balloon. In his escape, Harding is accompanied by sailor Pencroft, his nephew Bert, writer Gideon, loyal soldier Neb, and a dog. A hurricane blows the balloon off course, and the group eventually crash-lands on a cliff-bound, volcanic, uncharted (and fictitious) island, located in the South Pacific, with very unusual inhabitants. They name it "Lincoln Island" in honour of American President Abraham Lincoln.
Rancher Cole Hillman (Rory Calhoun) seeks the help of college president Elgin Clark (DeForest Kelley) to combat thousands of rabbits that have invaded the area after their natural predators, coyotes, were killed off. Elgin asks for the assistance of researchers Roy (Stuart Whitman) and Gerry Bennett (Janet Leigh) because they respect Cole's wish to avoid using cyanide to poison the rabbits. Roy proposes using hormones to disrupt the rabbits' breeding cycle and takes some rabbits for experimentation. One is injected with a new serum believed to cause birth defects. However, the Bennett's daughter Amanda (Melanie Fullerton) loves the injected rabbit, so she switches it with one from the control group. Amanda is then given the injected rabbit as a pet, but it soon escapes.
In the distant future, the gargantuan blue humanoid Draags have brought human beings (who are called Oms as a play on the French word for "man", Homme) from Earth to the planet Ygam, where they maintain a technologically and spiritually advanced society. They consider them animals, and while some Oms are kept as pets by Draags, others live in the strange wilderness and are periodically slaughtered by the Draags who wish to keep their population controlled. Draags have much longer lifespans than Oms, but reproduce much less.
Baron Victor Frankenstein (Cushing) is housed at an insane asylum where he has been made a surgeon at the asylum, and has a number of privileges, as he holds secret information on Adolf Klauss, the asylum's corrupt and perverted director (John Stratton). The Baron, under the alias of Dr. Carl Victor, uses his position to continue his experiments in the creation of man.
Dr. Patrick Cory and his wife Janice live in a mountain retreat where Cory attempts to keep a monkey's brain alive after having been removed from the monkey's skull.
Dr. Harvey, a rural physician, breaks the fourth wall to relate an unusual occurrence that happened in his village. The bulk of the story is told in flashback.
Dans le monde futur de 1984, (le film sort en 1956), le monde est sous la coupe d'un dictateur omniprésent, représentée par la figure de Big Brother. Winston Smith, un simple fonctionnaire du Ministère de la Vérité, se rebelle, entraîné par Julia. Il sera finalement arrêté et sous la torture, livrera son amante.
Dr. Victor Frankenstein creates a monster to show his scientific theories, but soon leaves him. So the scientist tries to rebuild his live getting married with Janet, and retires to his castle with Igor. However the monster goes back to haunt Frankenstein, and so Victor finds out that the monster has ferocious sexual orientation to Janet. Frankenstein then calls the servant Igor to readjust the monster, but also Igor takes advantage of Janet...
Thomas Jerome Newton is a humanoid alien who comes to Earth from a distant planet on a mission to take water back to his home planet, which is experiencing a catastrophic drought.
A monomaniacal scientist, Dr. Laird (played by Alec Mango), has invented ultra-sensitive magnetic fields, which attracts objects from space. Strange things begin happening, including a freak storm, and insects and spiders mutate into giant monsters. An alien spaceship appears over London and mankind is warned against the dangers of this scientific experiment.
Major Ben McBride (Patrick Wayne) organises a mission to the Antarctic wastes to search for his friend Bowen Tyler (Doug McClure) who has been missing in the region for several years. A British naval survey ship takes them to Caprona. McBride's party: the paleontologist Norfolk (Thorley Walters), gunner and mechanic Hogan (Shane Rimmer) and photographer Lady Charlotte 'Charlie' Cunningham (Sarah Douglas) fly over the mountain wall of Caprona in an amphibious aircraft, but are attacked by a pterodactyl and forced down. They find themselves in a world populated by primitive warriors and terrifying prehistoric creatures, all of whom they must evade in order to get back safely to their ship. They meet a cave-girl, Ajor (Dana Gillespie), who can speak English (she was taught by Tyler); she leads them to the land of a race of samurai-like warriors called the Nargas, who are keeping Tyler prisoner. When the volcano that the Nargas worship erupts, they must escape the cataclysm engulfing the land. Tyler sacrifices himself to cover their retreat.