Ouroboros

A New York University professor returns from a rescue mission to the Amazon rainforest with the footage shot by a lost team of documentarians who were making a film about the area's local cannibal tribes.

A scientific expedition sets out for Borneo to seek a flower called the Blood Orchid, which could grant extended life. Meanwhile, they run afoul of snakes and each other.

A family returns from a Grand Canyon vacation with a supernatural presence in tow.

A genetically created Anaconda, cut in half, regenerates itself into two new aggressive giant snakes, due to the Blood Orchid.

Jason Crockett is an aging, grumpy, physically disabled millionaire who invites his family to his island estate for his birthday celebration. Pickett Smith is a free-lance photographer who is doing a pollution layout for an ecology magazine. Jason Crockett hates nature, poisoning anything that crawls on his property. On the night of his birthday the frogs and other members of nature begin to pay Crockett back.

Kwan discovers her husband is married to another woman plus has a child with her. In retaliation she becomes romantically involved with a deadly snake (we don't know quite how that works since we haven't seen this) and a series of serpent deaths soon follow.

A hundred years ago, during a full moon night, the members of a cult named Asirapit perished under the assaults of a group of warriors. The only survivor of this worship devoted to the worship of a god snake, turns into an enormous reptile and succeeds in defeating the killers. Having become the protector of the temple, she will have to face a century later with new problems following the landing in the jungle of neighboring a lot of more or less well-intentioned people ...

Ying Narintorn, a special forces officer manages to capture a terrorist. However, the latter will escape him quickly. At the same time, a very powerful laser system recently developed is being tested in the building, but the experiment will turn to disaster, causing a chemical reaction on a snake. Transformed into a real killing machine, the overpowering reptile now haunts the corridors of the complex ...

The owner of a plantation in the jungle marries a beautiful woman. Shortly afterward, he is plagued by a strange voodoo curse which transforms him into a gorilla. But is his transformation real or is it all in his head?

Architect Walter Craig, seeking the possibility of some work at a country farmhouse, soon finds himself once again stuck in his recurring nightmare. Dreading the end of the dream that he knows is coming, he must first listen to all the assembled guests' own bizarre tales.

In the countryside, the boy Alan and his friend Becky steal a creepy wooden box with a powerful voodoo stick inside from his voodooistic neighbor. When the boy draws with the stick, his drunken father is attacked by a snake and vanishes. Years later, Alan and Becky are married to each other; while planting some flowers to celebrate the death of Alan's mother, Becky finds the box buried in the garden and she keeps the stick in her pocket. Meanwhile, five friends are traveling in a monster truck, drinking beer. The driver accidentally runs over Becky, but believes he had hit an animal. When Alan witnesses the hit-and-run and sees his wife dead, he uses the stick seeking revenge against the youngsters.

Three people driving into Los Angeles for a Dodgers game have car trouble and pull off into an old wrecking yard where they are held at bay by a bloodthirsty psycho and his crazy girlfriend.

A young girl, with an amazing ability to communicate with insects, is transferred to an exclusive Swiss boarding school, where her unusual capability might help solve a string of murders.

During the construction of luxury apartment buildings a huge nest of thousands of snakes is discovered. Francis Chang (the boss) refuses to delay the construction and orders to kill all the animals. He is repeated warned by his wife, who had some nightmares concerning him and the snakes. They do not manage to kill all snakes and so they take revenge on the construction workers and Francis Chang. Soon thousands of killer snakes under the lead of a giant Boa invades the building an kill all the new inhabitants. Even a snake master can't stop them.

Under a powerful Mayan curse, snakes are hatched inside a young woman, slowly devouring her from within. Her only chance for survival is a powerful shaman who lives across the border. With only hours to live, she jumps on a train headed for Los Angeles. Unfortunately for the passengers aboard, they are now trapped, soon to be victims of these flesh-eating vipers.

After an overly ambitious businessman transports an 80-foot python to the United States, the beast escapes and starts to leave behind a trail of human victims. An FBI agent and a snake specialist come up with a plot to combat the creature by pitting it against a bioengineered, 70-foot boa constrictor. It's two great snakes that snake great together!

"Libidine" is quite peculiar erotic horror about a scientist, who performs some kind of experiment on his snake. His adolescent daughter Anna has an erotic relationship with the snake.

Mutant snakes survived a terrorist attack on a government laboratory, and they now threaten the town of Santa Mira Springs, California. Seismic activity has brought snakes to the surface, where residents are being bitten. Victims can transmit the virus to healthy persons. The military puts the town under quarantine. Local physicians try to control the epidemic, while the military is primarily concerned with keeping the virus a secret.

A set of vipers has been taken by scientists to mutate them to make a cure for cancer. As their experiment goes awry, the vipers escape into the woods - they're not only biting people, they're actually killing people, in a little town.

While stationed in Asia, six American G.I.'s witness the secret ritual of Lamians (worshipers of women who can change into serpents). When discovered by the cult, the High Lamian Priest vows that "the Cobra Goddess will avenge herself". Once back in the United States, a mysterious woman enters into their lives and accidents begin to happen. The shadow of a cobra is seen just before each death.