Best movies like Hydra

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.

Richard Greico leads a team of electrical workers who stumble across a terrifying parallel universe. While investigating a strange power source in an abandoned building, the workers find themselves sucked into an underworld teeming with massive, man-eating, spider-like monsters. The bloodthirsty arachnid-human hybrids stalk and kill their victims one by one, leaving the dwindling group of survivors to fight back with just their wits and a handful of primitive weapons.

The residents of a small Alaskan town find themselves under attack by a flying reptile known in medieval mythology as a Wyvern. It has thawed from its ancient slumber by melting icecaps caused by global warming.

A homicide detective teams up with an evolutionary biologist to hunt a giant creature that is killing people in a Chicago museum.

Originally released in Japan as "The Return of Godzilla" in 1984, this is the heavily re-edited, re-titled "Godzilla 1985". Adding in new footage of Raymond Burr, this 16th Godzilla film ignores all previous sequels and serves as a direct follow-up to the 1956 "Godzilla King of the Monsters", which also featured scenes with Burr edited into 1954's "Godzilla". This film restores the darker tone of the original, as we witness the nuclear destruction of giant lizard terrorizing Japan.

Six young friends on a road trip in Ireland run afoul of gypsies who curse them for accidentally running down an old woman. The curse takes the form of a terrifying flying beast that tries killing them all.

Set in the late 1870's - A woman hires an anthropologist/adventurer to track down her husband, who has disappeared while searching for an elusive passage to the center of the earth

A team of environmentalists, including a reporter, her camera man, and an environmentalist's famous girlfriend charter a boat and with the captain, sail to a military island. They suspect the island is hosting to illegal activities. Upon arrival, however, they find no one. They finally reach a deserted house, where they find Dr. Susan Richardson, who tells them that everyone on the island is dead, including her father. Richardson's team were working on a compound that could make edible plants grow to super size, however the military intervened with plans of their own. They wanted to test the compound's effects on animals, and proceeded to feed it to several komodo dragons and cobras.

Thirty years ago, Ray Reiter witnessed the brutal death of his parents at sea by a strange, octopus-like creature. Now determined to exact revenge, he joins archaeologist Nicole on a perilous high-seas expedition to find a legendary Greek Opal - said to be guarded by the very beast that murdered his family. As they come face to face with the killer Kraken, they must also battle a ruthless crime lord, who will stop at nothing to seize the coveted treasure for himself.

Cancer-terminal tycoon Peter Murdoch's secret Wexel Hall Pharmaceuticals lab has developed a blood orchid extract cure. To examine why it works optimally in snakes, they also bread a super-anaconda strain. But the original pair escapes, leaving a bloody trail of human corpses. Murdoch runs, instructing his staff to clean up. They keep failing and being eaten like unsuspecting locals, some alive, even after enlisting ruthless big game hunter Hammett. The fast-growing pregnant monster sheds its skin, thus disabling the only tracking device they have.

Scientists discover a giant creature under the Earth that is wrapped around the entire planet. When the creature wakes all grumpy, it causes worldwide destruction.

The breastplate of Attila the Hun is stolen as it has clues to the location of the Sword of Mars. It is said the Sword of Mars made Attila invincible and is guarded by Cerberus.

A deep sea submersible pilot revisits his past fears in the Mariana Trench, and accidentally unleashes the seventy foot ancestor of the Great White Shark believed to be extinct.

The blood orchid - a rare flower that could hold the secret of eternal life and be worth a fortune to the company that finds it first. Led by a pharmaceutical research team, a scientific expedition sets out to go and explore deep into the jungles of Borneo to locate and bring back samples of the legendary plant. Battling through rainstorms to make their way upriver, the group encounters poisonous insects and a ferocious crocodile, only to discover they're being stalked by an even greater danger: a gathering of giant anacondas. Heat-sensing, fifty-foot-long flesh eaters that will go after anyone that crosses in their path.

A dormant volcano deep with the Turkish forest holds within it a deadly secret. Perfectly preserved, a nest of pterodactyl eggs are ready to hatch...

A group of friends including Brady Turner, Claire and Duncan McKay go out on a boat trip on a lake in Southern California, but their joyful weekend turns into horror, when a giant killer crocodile searching for its stolen eggs, picks off anyone who gets in its way. Can they all escape in one piece or will they slowly and painfully fall to the mammoth reptile.

After a bank robbery, four criminals escape to Mexico, but a storm causes an accident which takes down the plane where several die in the crash. The criminals take it into their own hands to continue when one survivor is attacked and eaten by a crocodile. The criminals kill it, but from then on the mother Crocodile is on a killing spree with a goal to kill each survivor. But that is not the only worry, because they're trapped within it's world, and if it doesn't kill them, the criminals will.

A group of heavily armed hijackers board a luxury ocean liner in the South Pacific Ocean to loot it, only to do battle with a series of large-sized, tentacled, man-eating sea creatures who have taken over the ship first.

Our hero, Cooper, awakes to find himself nauseous, weak and covered in webbing, hanging from the ceiling of an office where, just minutes ago, he started his new job. As he struggles out of his slimy prison he comes face to face with his opponent - a grotesque, powerful and very angry bug. All 3 ft of it. And so begins a hideous, nail-biting, comedic, all-action adventure to find a safe haven while constantly outwitting an infestation of monstrous proportions. As Cooper embarks on his journey, he befriends a ragtag group of survivors including the feisty, determined Sara. Will they make it to safety before they are picked off one by one? And what other surprises are in store for our group of unlikely heroes?

A fanatical animal rights activist releases giant pythons into the Everglades, believing the wild animals should be set free. When they start decimating the native animal population, an over-zealous park ranger feeds experimental steroids to wild alligators so they can fight back. The giant pythons and gargantuan alligators go on a killing spree, and it is now left up to the two feuding women to put aside their differences to put a stop to the creatures and the destruction.

A man, his business partner, and his wife are enlisted to transport an unknown object from a Russian military base, only to discover that the object is a giant, genetically-altered python.

In the fishing village of Cedar Bay, terror lies within the water. And now it has surfaced in search of something more substantial to devour than marine life: human flesh. A captain and a sea biologist must wage a terrifying battle against the deadly creatures in order to save mankind from total extinction.

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.

Jim and his research team study the Canadian Lynx every year. This year, he has to take his rebelling 16 year-old daughter, Emmy, with him. But the lynx are missing. As Jim and his team try to find why, something stalks them--a predator no prey can escape.

Found footage of an expedition into the Congo jungle where a team of explorers stumbles upon a colony of Dinosaurs.

An eclectic group of characters set sail on Captain Lansen’s leaky cargo ship in an attempt to escape their various troubles. When a violent storm strikes, the ship is swept into the Sargasso Sea and the passengers find themselves trapped on an island populated by man-eating seaweed, giant crabs and Spanish conquistadors who believe it’s still the 16th century.

What is supposed to be a marriage boot camp on a remote island turns into the ultimate test for survival when a 6-headed shark starts attacking the beach. Trapped with minimal weapons they try to fight off the shark, but quickly discover that no one is safe in the water or on land.

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.

International terrorists get a surprise when their cargo turns out to contain living dinosaurs. The army commando team now have to think fast, if they want to prevent the extinction of the human species, instead of the reptiles.

An offshore drilling accident triggers the release of a giant prehistoric shark. When marine biologist Kat Carmichael arrives, she runs up against corporate front man Roger Wade, who plots with Stewart to disrupt her investigation. With the help of Skipper Chuck and disc jockey Dynamite Stevens, Kat tries to find a way to defeat the monster which has evolved to a state where it can walk on dry land and fly...it's the SUPER SHARK!

A scientific expedition to Loch Ness runs into trouble when the group leader is killed in a mysterious diving accident. Soon after, when the unorthodox Professor Howell shows up to take over as leader of the group, more strange incidents and attacks start to occur. While Howell and TV producer Elizabeth Borden are busy investigating the source of the attacks, the body of an enormous sea creature washes up on the lake's shore.

After an African dinosaur ancestor of the crocodile is found, Dr. Campbell uses its DNA to create prototypes at Paula Kennedy's Gereco lab.

Geneticist seeks to make a name for herself by saving the planet from disease by using eons-old antibodies, harvested from enlarged six legged creatures. The creatures don't like being big and escape. Send for help.

A military vessel on the search for an unidentified submersible finds themselves face to face with a giant shark, forced to use only what they have on board to defend themselves from the monstrous beast.

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.

Gigantic monsters threaten to destroy everything in their path as mankind remains defenseless

Two millennia ago, a Lybian king has a basilisk (snake-shaped dragon), which petrifies people, subjected to the same fate with a golden scepter during a solar eclipse. Both these and several victims are dug up by modern archaeologist Harrison 'Harry' McColl's expedition. Despite a cryptic warning from tribal locals, everything goes to his Colorado university's museum. It's all exhibited during another eclipse, which leads to the monster reviving. Harry and some of his friends must try to petrify the monster again.

During Operation Iraqi Freedom, a US Army Squad is sent to a small Iraqi town to locate a missing news crew, only to find the residents of the town dead and a living weapon of mass destruction, a Manticore, awakened from its long slumber by a terrorist leader wanting to rid his land of the American invaders at any price.

When an oil company unwittingly unleashes a prehistoric shark from its icy prison, the Jurassic killer maroons a group of art thieves and a group of college students on an abandoned island

A hybrid creature - half piranha and half anaconda -- attacks a low-budget horror movie crew on location near her nest when her egg is stolen. Now they must outrun and kill the deadly piranhaconda as well as stop the mad scientist who stole the egg - before they all become dinner.

A Native American owner of a kitschy roadside museum accidentally brings to life three dinosaur fossils. Now really annoyed, the giant dinos wreak havoc on the small town and the local university.

A baby dinoshark evolves into a ferocious predatory adult, terrorising tourists and locals offshore from Puerto Vallarta, Mexico.

A group of unlikely allies are assembled to go on an expedition deep within the Amazon forest in search of new discoveries.

On a lush tropical island, working under a secret government charter, Martin Drake has not only grown sprawling acres of giant vegetables, but inadvertently spawned two mammoth reptiles as well. Now they've broken free of their enclosures, and Drake has only one option: kill the creatures before word gets back to Washington and they close him down. When Drake's first team of well-armed mercenaries gets wiped out within hours of setting down in the jungle, he turns to one lone hunter, The Cajun, to go in single-handedly. But will The Cajun be cunning enough to find the creatures and destroy them before they turn the blue waters red with the blood of tourists. The only hope is to bring the monsters together and make them fight. When one emerges victorious, that will be the time to strike and kill the other. It's a risky plan, but ultimately the only one that may work. One of David Carradine's last movies.

Giant albino spiders break free from the depths of Earth in New Orleans, making everyone’s worst nightmare a reality.

A Greek warrior must travel to the Underworld and battle killer hellhounds in order to rescue his murdered bride from the clutches of Hades.

A scientist enlists the help of the US army to investigate the mysterious disappearance of her father, deep in the Belizean jungle. Caught in the crossfire between a brutal guerrilla army controlled by a mystical warlord, they are also confronted by an even bigger terror giant mutated wasps that are, for some reason, thirsty for blood.

Tasmanian Devil Synopsis: Danica McKellar (“The Wonder Years,” “The West Wing”) and Olympic speed skating champion Apolo Ohno take on a deadly mythical beast in the new Syfy Saturday Original Movie “Tasmanian Devil.”

A team of terrorist-fighting Naval officers in the South China Sea finds their struggle against the enemy taking a backseat to the fight of their lives when an horde of creatures thought to be extinct for millions of years descend upon them in an action-packed tale of man-versus-monster starring Steven Bauer and Lorenzo Lamas.

A coastal town is plagued by a supernatural man-eating shark. A ghost hunter joins forces with a sea captain to uncover the secrets of the area's dark past and find a way to exorcise the spectral predator.