20 best movies like 3-Headed Shark Attack (2015)

With much of America lying in ruins, the rest of the world braces for a global sharknado, Fin and his family must travel around the world to stop them.

When a mad scientist mixes the genes of a killer whale and a wolf, it creates the Whalewolf, and it's up to Sharktopus to stop it.

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.

The film opens with a baby dinoshark swimming away from a broken chunk of Arctic glacier that calved due to global warming. Three years later, the dinoshark is a ferocious predatory adult and kills tourists and locals offshore from Puerto Vallarta, Mexico. The protagonist, Trace, is first to notice the Dinoshark and witnesses his friend get eaten, but has trouble convincing people that a creature of such antiquity is still alive and eating people.

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

When an unprecedented amount of sinkholes erupt all over Florida, a new nest of fire spitting LAVALANTULAS is awakened… wreaking their fiery havoc all over the sunshine state.

When the body of a man is found completely destroyed in the swamps in Louisiana, the medical investigator Sam Rivers is assigned to investigate the murder. He travels with the biologist Mary Callahan to the location where the victim lived in a floating house and he meets his family and friends. They find that Chinese snake-heads genetically engineered that belong to a wealthy hunter are attacking and killing the locals. While the group fights to survive, the hunter Jeff arrives with his team to hunt the predators.

A group of young people stuck in the small Texas town of Fossil Ridge have to fight for their lives against dinosaurs that have been reanimated by a local scientist.

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 fancy garden party turns into upper class prey when a colony of killer wasps mutates into seven foot tall predators.

Many years ago, hundreds of locals and tourists were massacred by giant man-eating sharks in the infamous 1916 Jersey Shore attacks. But that's just a legend... or is it? It's a holiday weekend on the Jersey Shore and, unbeknownst to anyone, underwater drills have attracted dozens of albino bull sharks to the pier. When a man goes missing, TC (The Complication), Nookie and friends fear the worst and plead with the police chief to close down the beach. It isn't until a famous singer is eaten alive during a performance on the pier that the shark hunt begins. Now, the Preppies must work together with the Guidos in order to save the Jersey Shore and its inhabitants from another vicious slaughter.

Lovely and resourceful Daria and Tisa escape a space gulag only to crash land on a nearby world where a guy in tight pants named Zed is playing The Most Dangerous Game. Zed turns the girls and another guest loose in his jungle preserve to serve as the prey in a mad hunt. Armed only with knives and their wits, the girls must battle their way across the jungle to a hidden arms cache before Zed catches and kills them.

A group of friends run a popular travel vlog that helps fund their adventures. The leader of the group brings along her younger sister for the next scuba diving trip to an isolated cove. But when their plane crashes, the two sisters must use their strength, resourcefulness and immense courage to survive a pack of great white sharks.

In search of a new energy source, Russia accidentally reawakens the Kolossus - a giant robot doomsday device from the Cold War. At the same time, a new Mega Shark appears, threatening global security.

What starts off as a typical day on the streets of Seattle soon becomes a terrifying bloodbath, when a great white shark devours an alien space probe…and ROBOSHARK is born. The U.S. military comes after it with guns blazing, but it’s the power of social media that puts an ambitious newscaster and her tech-savvy daughter ahead of everyone else in the race to stop the destruction.

During their search for a habitable planet the last living humans crash-land on a barren world, inhabited by bloodthirsty aliens and mysterious post-apocalyptic warriors.

Based on actual creatures that for years have tormented our armed forces in the Middle East, these creatures have now invaded the southwestern deserts of the United States. The Camel Spiders now freely hunt for prey, unafraid of any predator - including man. No place is safe no one is beyond their paralyzing sting. In the end, a small band of hearty fighters are forced to make one last stand against the creatures.

After Air Force One goes down during a storm over the Bermuda Triangle, the United States Navy is dispatched to find the escape pod holding the President. A giant monster beneath the ocean awakens and attacks the fleet.

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 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.

A tropical storm floods Soggy Meadows trailer park and forces a hungry shark upriver.

A team of climbers is assembled by a rich and eccentric man to rescue a missing expedition he sent up to a forbidden mountain who disappeared after sending out one last disturbing radio message.

When a fracking mishap accidentally rips apart the earth’s crust, the resulting hole opens up a gaping underground water way to a vast and mysterious ocean somewhere deep below. Instantly, giant prehistoric sharks begin wending their way upward toward a murky bog in the heart of the Arkansas Bayou. Unfortunately, for a group of female prisoners on a work detail in the swamp, the deadly sharks attack without warning – pinning a hapless group of intended victims in a small deserted cabin in the heart of the wetlands. Death may be the only means of escape!

In the quiet waters of the Mississippi, body parts are being discovered. No one knows what is behind it all, until a huge man eating bull shark turns up. This bull shark is different, as it can breath in fresh water, making a deadly encounter between anyone who comes before it. John Sanders must now try and reach the surface, with his ex-wife and whilst being held hostage.

An underwater earthquake generates a tsunami that strikes Malibu, bringing a hunting pack of prehistoric-looking goblin sharks to the surface. Although the beach is evacuated before the big wave strikes, a group of lifeguards and a crew of construction workers are stranded in the high water and have to fight the sharks to get to dry land.

When a young ski team training for the Olympics arrives at the remote and isolated Lost Mountain Ski Resort to focus on training, they're thrilled to find a retired Olympic skier is there to help them train. But their plans are halted when a scientist working at a nearby government lab arrives with the horrifying news that a top secret Government project has produced giant spiders and they have escaped, killing and eating everything in sight.

When a science experiment goes horribly wrong, gigantic fish gain appetites for human flesh.

Open on gorgeous swamplands of the Atchafalaya Basin in the summer. Lots of beautiful teens are at the beach the weekend before Gator Fest. That night an animal smuggling deal goes wrong and a large sea creature escapes into a swampy backwoods river. At the McDaniel's "Gator Shack" restaurant, a local, Jackson is drunk, and gets mangled to bits. The town sheriff blames the carnage on the McDaniel's "escaped" pack of gators and tries hauling them off to jail. Rachel McDaniel, head of the family, claims to have seen the fin of a shark! Rachel and her family, along with the help of a mysterious stranger, Charlie, take on the Swampshark and the law to clear their names, save Rachel's kid sister Krystal and prevent the unwitting folks at the upcoming Gator Fest from being torn to shreds by a beast the likes of which no one has ever seen!

1970's pop culture icons Danny Bonaduce and Barry Williams face off in the hunt for the legendary mountain creature.

The Most Dangerous Game formula gets a monstrous twist as the mythical Hydra turns the tables on a group of wealthy human-hunters. Kidnapped along with three ex-convicts, former Marine Tim Nolan is transported to a deserted island where the super rich pay a fortune to hunt human prey. But this island isn't exactly deserted; it's actually home to Hydra the Beast!

Arachnid is a 2001 film directed by Jack Sholder. In this movie, giant killer spiders menace survivors of a plane crash.

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 group of mutant gators attack the cajun people. Pouring blue chemicals in a Louisiana swamp causes the alligator population to morph into monstrous creatures including a clan of cajuns living in the bayou.

A group of researchers in Antarctica are abducted by a platoon of masked soldiers and dragged into a hidden continent in the center of the Earth. There, they discover that surviving Nazi soldiers are plotting an invasion of Earth to revive the Third Reich.

A respectful nod to classic kids-in-peril adventure films that finds a group of reluctant kids stranded overnight in an abandoned jail. Their chaperon is missing, their cellphone service is non existent, and their patience with each other is running thin. Oh, and a big, hairy creature is trying to eat them. Hey... it's tough being a kid in a monster movie.

When a top-secret laboratory is unexpectedly breached, thousands of rampaging raptors are unleashed on Los Angeles! A black-ops unit is mobilized to contain the creatures before they cause city-wide chaos. Simultaneously, a truckload of raptors is rerouted to a nearby prison. Upon their escape, these ferocious flesh-eaters are beyond containment. This is Jurassic judgment night for smoking hot sorority girls, sinister scientists, muscle-bound military and doomed death-row inmates! It's about to get bloody in Jurassic City!

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.

After an accidental explosion at a local mine, dinosaurs emerge from the rubble to terrorize a small western town. Now, a group of gunslingers must defend their home if anyone is going to survive in a battle of cowboys versus dinosaurs.

When most of the population of Earth is infected by a virus and transformed into flesh eaters and blood drinking creatures, a group of hunters lead by Tao and his sword chase the vampire zombies to eliminate them. Six non-infected survivors try to find the exit of an abandoned hospital crowded of the infected creatures. Meanwhile, the military is ready to bomb the whole area.

A group of oddball high school students find themselves trapped in detention with their classmates having turned into a horde of Zombies.

Test pilot Tuck Pendleton volunteers to test a special vessel for a miniaturization experiment. Accidentally injected into a neurotic hypochondriac, Jack Putter, Tuck must convince Jack to find his ex-girlfriend, Lydia Maxwell, to help him extract Tuck and his ship and re-enlarge them before his oxygen runs out.

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.

Two women, aspiring documentary filmmakers, find themselves trapped in a monster-plagued Toyko in 2003.

The seemingly tranquil waterways of Venice are terrorized by the perfect killing machine. In search of his father who has mysteriously disappeared diving in the city, David stumbles across the cryptic trail leading to the long-lost fortune of the Medici. As the unwitting pawn in a Mafia plot to recover the treasure, David's girlfriend is kidnapped at gunpoint, plunging him into a desperate race against time. If he has any hope of saving her he must enter the deadly waters. Can David out-gun the Mafia assassins and survive the voracious sharks laying in wait beneath the surface, or will he succumb to the same fate as his father?

Just when you thought it was safe to go back to the beach, it appears that our large fishy friends have found a way to chomp on you when you're chilling out on the sand too!

Survivors of a nuclear attack are grouped together for days in the basement of their apartment building, where fear and dwindling supplies wear away at their dynamic.

On a hot summer afternoon in the sleepy town of Blackwater Louisiana, a meteor streaks across the sky and crashes through the roof of the local Natural History Museum. The meteor is actually a spaceship containing an alien life form which animates the museum's partially frozen Woolly Mammoth and begins a rampage. Local authorities and Government Investigators join forces with Frank Abernathy, the Museum Curator, and his father Simon, a B-Movie enthusiast, to bring down the giant mammoth in this alien-invasion flick!

A small town, desperate to recover from hard economic times, is under threat when voracious Snakehead fish mutate and survive previous lake chemical poisonings. The fish transform from pests to predators when human growth hormones are dumped into the local lake in the hopes of reviving the local fishing industry. Thriving on the hormones, the Snakehead fish grow to monstrous proportions, devouring everything within reach. Capable of moving and eating on land, they are forced to leave the now barren lake in a desperate search for food - animal, vegetable or human.

A Marine Biologist is assigned to investigate the mysterious deaths of some marine life in an inland salt water lake that has been attributed to a creature thought to have been the stuff of a legend.

Moneyless, ocean-exploring gigolo and his worldly lady-friend are forced to take part in looking into the possibility that aggression - utilizing marine life - is being planned.