Mr. Moto is in Egypt to thwart a criminal mastermind determined to steal the priceless crown of the Queen of Sheba. When the precious treasure is transported to America, Mr. Moto must race against time to unmask the cunning thief who will stop at nothing—not even murder—to get what he wants.
In an effort to find an economic means of purifying salt water, a joint U.S.-Japanese military command is set up on an isolated Japanese island where an unusual salt water lake is situated. However, their purifying experiments arouse the prehistoric monster Obaki from hibernation at the lake's bottom, and it proceeds to attack Japan. Although made by a U.S. independent film company, this film was based on a Japanese Toho monster film of 1958, "Daikaiju Varan", from which all of the monster effects scenes and a few incidental dramatic shots were edited into it.
Radioactive waste dumped off the coastline creates mutant monsters. The beasts attack slumber parties, beaches, tourists, and terrorize a waterfront community as a scientist, his daughter, her boyfriend and the local police try to find a way to stop them.
Five teenagers embark on a boating trip off the coast of Florida. The teens get hopelessly lost at sea after they get caught in a fierce storm. Fortunately, the quintet stumble across an abandoned yacht in the middle of the ocean with a mysterious biology lab on board it. Unfortunately, there are also ferocious mutated prehistoric fish running amok on the yacht. Will any of the teens survive this harrowing ordeal?
Nuclear tests create a radioactive man who can turn people into slime.
Two escaped convicts are found hiding in a rocketship built by a renegade inventor, who forces them to become the crew for a trip to the Moon. Also on board, as inadvertent stowaways, are his assistant and his secretary; and none of them are aware that the inventor is actually a Lunarian explorer sent to Earth by the dying Lunar civilization and the only remaining male member of that civilization.
A United Nations investigator crosses paths with a pair of psychic sisters on his way to Trollenberg observatory in the Swiss Alps, which has been plagued by a series of mountaineer disappearances that may be related to a radioactive cloud at the mountain's south face.
A test pilot is missing and a search party is sent out in the jungles of Mexico; however, while searching they uncover a monster in the jungle who became this way due to a dose of radioactivity.
Harry Donovan is an art forger who paints fake Rembrandt picture for $500,000. The girl he meets and gets into bed with in Paris, Marieke, turns out to be an arts expert Harry's clients are using to check the counterfeit picture he painted.
Six years ago NASA discovered the possibility of alien life within our solar system. A probe was launched to collect samples, but crashed upon re-entry over Central America. Soon after, new life forms began to appear and half of Mexico was quarantined as an infected zone. Today, the American and Mexican military still struggle to contain "the creatures," while a journalist agrees to escort a shaken tourist through the infected zone in Mexico to the safety of the U.S. border.
Two men exploring the Louisiana swamps run into a Bigfoot-type creature.
The U.S. Navy's special group "Blue Water" builds a half-shark, half-octopus for combat. But the sharktopus escapes and terrorizes the beaches of Puerto Vallarta.
In the midst of a tropical storm, the crew of an offshore oil rig must survive the rampage of a creature after invading its undersea habitat.
A young girl sent to live with her father and his new girlfriend discovers creatures in her new home who want to claim her as one of their own.
When he began fusing human and shark DNA, his colleagues laughed at him. Now his creation is taking his revenge, and they aren't laughing anymore.
James Murphey is a rugged cryptozoologist, who thirty years earlier, during a trip to Loch Ness, Scotland, had a fatal encounter with the fabled "Nessie" creature that killed his father, and left James with deep facial scar. Twenty years later, James is hunting for Nessie, when his search leads him to the sleepy town of Pike Island, Ashburn, on Lake Superior. Hiring Josh Riley as his guide, James and Josh bond over their mutual scientific interests and deceased fathers, while James tries to convince Josh's mother, Sheriff Karen Riley, that the 60-foot plesiosaur is killing and breeding.
A crook decides to bump off members of his inept crew and blame their deaths on a legendary sea creature. What he doesn't know is that the creature is real.
A mysterious hypnotist reverts his beautiful assistant back into the form of a prehistoric sea monster that she was in a past life.
A giant prehistoric praying mantis, recently freed from the Arctic ice, voraciously preys on American military at the DEW Line and works its way south.
A rural Colombian village is attacked by a horrible sea serpent, aroused by industrial pollution of a nearby lake. Based on a real event that took place in June of 1971.