The Best Monster Movies on Free Services

What it's about: Gang-du is a dim-witted man working at his father's tiny snack bar near the Han River. Following the dumping of gallons of toxic waste in the river, a giant mutated squid-like appears and begins attacking the populace. Gang-du's daughter Hyun-seo is snatched up by the creature and he and his family are taken into custody by the military, who fear a virus spread by the creature.. In detention, Gang-du receives a phone call from Hyun-seo, who is not dead, merely trapped in a sewer. With his family to assist him, he sets off to find Hyun-seo.

Where to Watch: Available to watch free online (Tubi TV), stream on a subscription service (Monsters Nightmares & Warriors Gangsters) & rent or buy from $2.99 on 5 services (iTunes, Google Play & 3 others).

What it's about: A scientific expedition searching for fossils along the Amazon River discover a prehistoric Gill-Man in the legendary Black Lagoon. The explorers capture the mysterious creature, but it breaks free. The Gill-Man returns to kidnap the lovely Kay, fiancée of one of the expedition, with whom it has fallen in love.

Where to Watch: Available to watch free online (PopcornFlix) & rent or buy from $2.99 on 7 services (iTunes, Google Play & 5 others).

What it's about: The eerie and deserted ghost town of Silent Hill draws a young mother desperate to find a cure for her only child's illness. Unable to accept the doctor's diagnosis that her daughter should be permanently institutionalized for psychiatric care, Rose flees with her child, heading for the abandoned town in search of answers – and ignoring the protests of her husband. It's soon clear this place is unlike anywhere she's ever been. It's smothered by fog, inhabited by a variety of strange beings and periodically overcome by a living 'darkness' that literally transforms everything it touches. As Rose searches for her little girl, she begins to learn the history of the strange town and realizes that her daughter is just a pawn in a larger game.

Where to Watch: Available to watch free online (Sony Crackle) & rent or buy from $2.99 on 7 services (iTunes, Google Play & 5 others).

What it's about: Paris, 1910. Emile, a shy movie projectionist, and Raoul, a colourful inventor, find themselves embarked on the hunt for a monster terrorizing citizens. They join forces with Lucille, the big-hearted star of the Bird of Paradise cabaret, an eccentric scientist and his irascible monkey to save the monster, who turns out to be an oversized but harmless flea, from the city's ruthlessly ambitious police chief.

Where to Watch: Available to watch free online (Tubi TV & Vudu) & rent or buy from $2.99 on 6 services (iTunes, Google Play & 4 others).

What it's about: 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.

Where to Watch: Available to watch free online (Tubi TV) & rent or buy from $2.99 on 7 services (iTunes, Google Play & 5 others).

What it's about: An adventure set in the early part of the 20th century, focused on a popular novelist and her dealings with would-be suitors, the cops, monsters, and other distractions.

Where to Watch: Available to watch free online (Shout Factory TV & Tubi TV), stream on a subscription service (Shout Factory TV) & rent or buy from $2.99 on 5 services (iTunes, Google Play & 3 others).

What it's about: A new drug promises out-of-body experiences, but users are coming back changed forever, and an otherworldly invasion of Earth is underway.

Where to Watch: Available to watch free online (Tubi TV & Vudu) & rent or buy from $2.99 on 7 services (iTunes, Google Play & 5 others).

What it's about: When the first manned flight to Venus returns to Earth, the rocket crash-lands in the Mediterranean near a small Italian fishing village. The locals manage to save one of the astronauts Colonel Calder, the mission commander. A young boy also recovers what turns out to be a specimen of an alien creature. Growing at a fantastic rate, it manages to escape and eventually threatens the city of Rome.

Where to Watch: Available to watch free online (Tubi TV) & rent or buy from $2.99 on 6 services (iTunes, Google Play & 4 others).

What it's about: The 9th Godzilla film was the last made by the original Godzilla creators, and was meant to be a grand finale. Aliens have released all the giant monsters from their imprisonment on Monster Island and are using them to destroy earth's major cities. It is up to the daring crew of the super rocket ship X-2 to infiltrate the aliens' headquarters before the Earth monsters and King Ghidrah annihilate the planet.

Where to Watch: Available to watch free online (Tubi TV) & rent or buy from $2.99 on 2 services (Vudu & PlayStation Store).

What it's about: A troubled young man is drawn to a mythical place called Midian where a variety of monsters are hiding from humanity.

Where to Watch: Available to watch free online (Tubi TV), stream on a popular subscription service (Prime Video & Shout Factory TV) & rent or buy from $2.99 on 4 services (iTunes, Google Play & 2 others).

What it's about: The German film director Werner Herzog sets out to the Scottish Highlands to make a documentary, "Enigma of Loch Ness", exploding the myth of the Loch Ness Monster. Meanwhile, another documentary film crew is making a film about Werner Herzog, and we see the production of "Enigma" from their point of view. Shooting on a rented boat, tensions begin to rise as director Herzog and his producer, Zak Penn, find themselves at cross-purposes on the black surface of Loch Ness. Things get very edgy when the film crew starts seeing shapes in the murky water.

Where to Watch: Available to watch free online (Tubi TV), stream on a popular subscription service (Prime Video), stream on a popular TV everywhere service (Epix) & rent or buy from $3.99 on 1 service (iTunes).

What it's about: Mysterious and unearthly deaths start to occur while Professor Saxton is transporting the frozen remains of a primitive humanoid creature he found in Manchuria back to Europe.

Where to Watch: Available to watch free online (PopcornFlix & Tubi TV), stream on a popular subscription service (Prime Video, Fandor, ConTV & 2 others) & rent or buy from $1.99 on 3 services (iTunes, Google Play & Microsoft).

What it's about: New York police are bemused by reports of a giant flying lizard that has been spotted around the rooftops of New York, until the lizard starts to eat people. An out-of-work ex-con is the only person who knows the location of the monster's nest and is determined to turn the knowledge to his advantage, but will his gamble pay off or will he end up as lizard food?

Where to Watch: Available to watch free online (PopcornFlix, Shout Factory TV & Tubi TV), stream on a popular subscription service (Prime Video, Showtime, Shout Factory TV & 1 other), stream on a popular TV everywhere service (Showtime) & rent or buy from $2.99 on 6 services (iTunes, Google Play & 4 others).

What it's about: The Freeling family move in with Diane's mother in an effort to escape the trauma and aftermath of Carol Anne's abduction by the Beast. But the Beast is not to be put off so easily and appears in a ghostly apparition as the Reverend Kane, a religeous zealot responsible for the deaths of his many followers. His goal is simple - he wants the angelic Carol Anne.

Where to Watch: Available to watch free online (Tubi TV & Vudu) & rent or buy from $2.99 on 7 services (iTunes, Google Play & 5 others).

What it's about: Set in 1965 New England, a troubled girl encounters mysterious happenings in the woods surrounding an isolated girls school that she was sent to by her estranged parents.

Where to Watch: Available to watch free online (Tubi TV & Vudu), stream on a popular subscription service (Prime Video) & rent or buy from $2.99 on 4 services (iTunes, Google Play & 2 others).

What it's about: The Haunted World of El Superbeasto is an animated comedy that also combines elements of a horror and thriller film. It is based upon the comic book series created by Rob Zombie that follows the character of El Superbeasto and his sexy sidekick sister, Suzi-X, voiced by Sheri Moon, as they confront an evil villain by the name of Dr. Satan.

Where to Watch: Available to watch free online (Tubi TV) & rent or buy from $1.99 on 5 services (iTunes, Prime Video & 3 others).

What it's about: Young monster kids try to make peace between the world of humans and the world of the monsters.

Where to Watch: Available to watch free online (Tubi TV & Vudu), stream on a popular subscription service (Prime Video & Kanopy) & rent or buy from $2.99 on 6 services (iTunes, Google Play & 4 others).

What it's about: They're not human. But they hunt human women. Not for killing. For mating.

Where to Watch: Available to watch free online (Tubi TV), stream on a popular subscription service (Prime Video & Shudder) & rent or buy from $2.99 on 4 services (iTunes, Google Play & 2 others).

What it's about: A writer of horror stories is invited to a "monster club" by a mysterious old gentleman. There, three gruesome stories are told to him; between each story some musicians play their songs. In the end, it's recognized he's the greatest monster of all ...

Where to Watch: Available to watch free online (Tubi TV), stream on a popular subscription service (Prime Video & Shout Factory TV) & rent or buy from $2.99 on 1 service (Prime Video).

What it's about: When Mystery, Inc. are guests of honor at the grand opening of the Coolsville Museum of Criminology, a masked villain shows up and creates havoc before stealing the costumes of the gang's most notorious villains...Could it be that their nemesis, mad scientist Jonathan Jacobo has returned and is trying to recreate their deadliest foes?

Where to Watch: Available to watch free online (Vudu) & rent or buy from $1.99 on 5 services (iTunes, Google Play & 3 others).

What it's about: It is 1879 in the Dakota Territories, a band of men who set out to find and recover a family of settlers that has mysteriously vanished from their home. Expecting the offenders to be a band of fierce natives, but they soon discover that the real enemy stalks them from below.

Where to Watch: Available to watch free online (Tubi TV), stream on a subscription service (Tribeca Short List), stream on a popular TV everywhere service (Epix) & rent or buy from $1.99 on 7 services (iTunes, Google Play & 5 others).

What it's about: Once again tampering with mother nature to disastrous results, Dr. Herbert West continues his research while serving time in a maximum security prison for his previous exploits. West's limited prison-cell experiments are suddenly interrupted by the arrival of a new prison doctor and the brother of the girl who suffered from West's experiments 13 years earlier.

Where to Watch: Available to watch free online (Tubi TV & Vudu), stream on a popular subscription service (Prime Video) & rent or buy from $1.99 on 6 services (iTunes, Google Play & 4 others).

What it's about: A documentary filmmaker turns his lens on an enigmatic conspiracy theorist who claims he's found the entrance to a vast underground city populated entirely by monsters.

Where to Watch: Available to watch free online (Tubi TV), stream on a popular subscription service (Prime Video & Shudder) & rent or buy from $2.99 on 7 services (iTunes, Google Play & 5 others).

What it's about: Underwater deep-sea miners encounter a Soviet wreck and bring back a dangerous cargo to their base on the ocean floor with horrifying results. The crew of the mining base must fight to survive against a genetic mutation that hunts them down one by one.

Where to Watch: Available to watch free online (Tubi TV & Vudu), stream on a popular subscription service (Prime Video) & rent or buy from $3.99 on 3 services (iTunes, Prime Video & Vudu).

What it's about: On a deep space mining mission to a remote planet, an ancient religious relic - thought to be proof of the existence of God - is unearthed and brought aboard. When the unholy artifact unleashes a long-dormant alien race, its glimpse of Heaven transforms the ship into a living Hell. A prequel to the events of the 2008 video game Dead Space.

Where to Watch: Available to watch free online (Tubi TV), stream on a popular subscription service (Prime Video) & rent or buy from $1.99 on 5 services (iTunes, Prime Video & 3 others).

What it's about: A rash of bizarre murders in New York City seems to point to a group of grotesquely deformed vagrants living in the sewers. A courageous policeman, a photo journalist and his girlfriend, and a nutty bum, who seems to know a lot about the creatures, band together to try and determine what the creatures are and how to stop them.

Where to Watch: Available to watch free online (Tubi TV), stream on a popular subscription service (Prime Video, ConTV & ScreamBox) & rent or buy from $2.99 on 4 services (iTunes, Prime Video & 2 others).

What it's about: A shipwrecked sailor stumbles upon a mysterious island and is shocked to discover that a brilliant scientist and his lab assistant have found a way to combine human and animal DNA with horrific results.

Where to Watch: Available to watch free online (Vudu) & rent or buy from $2.99 on 5 services (iTunes, Google Play & 3 others).

What it's about: A team of U.S. archaeologists unearths an ancient pyramid buried deep beneath the Egyptian desert. As they search the pyramid's depths, they become hopelessly lost in its dark and endless catacombs. Searching for a way out, they become desperate to seek daylight again. They come to realize they aren't just trapped, they are being hunted.

Where to Watch: Available to watch free online (Tubi TV) & rent or buy from $3.99 on 4 services (iTunes, Prime Video & 2 others).

What it's about: An ex-soldier ventures into the Pacific Northwest to uncover the truth behind his fiance's disappearance.

Where to Watch: Available to watch free online (Tubi TV & Vudu), stream on a popular subscription service (Prime Video) & rent or buy from $2.99 on 3 services (Google Play, Prime Video & PlayStation Store).

What it's about: Criminals and a beautiful but cunning hitchhiker must battle a supernatural force known as the Reaper.

Where to Watch: Available to watch free online (Tubi TV & Vudu), stream on a popular subscription service (Prime Video) & rent or buy from $3.99 on 1 service (iTunes).

What it's about: Godzilla saves Tokyo from a flying saucer that transforms into the beast Orga.

Where to Watch: Available to watch free online (Sony Crackle) & rent or buy from $2.99 on 8 services (iTunes, Google Play & 6 others).

What it's about: After receiving word about a mysterious carcass/skeleton unearthed in the Arizona desert, a father and his daughter decide to remove it from the burial grounds for further study. Once they do so, they, as well as the town, are besieged by a colony of gargoyles living in some nearby caverns.

Where to Watch: Available to watch free online (PopcornFlix, Shout Factory TV & Tubi TV).

What it's about: A young child is terrified to discover that a planned family trip is to be haunted by vile plant-eating monsters out of his worst nightmare...

Where to Watch: Available to watch free online (Vudu), stream on a popular subscription service (Prime Video) & rent or buy from $3.99 on 4 services (iTunes, Prime Video & 2 others).

What it's about: A young woman is driving alongside a lake. She has an accident and the car plunges into the water. Her body is then possessed by the spirit of an 18th-century witch who was killed by local villagers, and is bent on avenging herself on them.

Where to Watch: Available to watch free online (Tubi TV) & rent or buy from $0.99 on 1 service (Prime Video).

What it's about: A woman investigates the disappearance of her friend and her own murky past when she travels to a mysterious convent on a barren island.

Where to Watch: Available to watch free online (Tubi TV) & stream on a subscription service (Shudder).

What it's about: Wealthy big game hunter Tom Newcliffe has tracked and killed practically every type of animal in the world. But one creature still evades him, the biggest game of all - a werewolf.

Where to Watch: Available to watch free online (SnagFilms) & stream on a subscription service (Fandor).

What it's about: When three college guys get caught spying on a sorority ritual, they're forced to accompany the pledges on their next assignment: stealing a trophy from a bowling alley. But the token they pinch has a devilish imp who makes their lives a living hell.

Where to Watch: Available to watch free online (Tubi TV), stream on a subscription service (Full Moon & Shudder) & rent or buy from $3.99 on 1 service (Prime Video).

What it's about: A nuclear explosion in the far north unleashes Gamera, the legendary flying turtle, from his sleep under the ice. In his search for energy, Gamera wreaks havoc over the entire world, and it's up to the scientists, assisted by a young boy with a strange sympathic link to the monster, to put a stop to Gamera's rampage.

Where to Watch: Available to watch free online (SnagFilms), stream on a popular subscription service (Prime Video) & rent or buy from $1.99 on 2 services (Prime Video & FandangoNOW).

What it's about: The warrior Deathstalker is tasked by an old witch lady to obtain and unite the three powers of creation - a chalice, an amulet, and a sword - lest the evil magician Munkar get them and use them for nefarious purposes. After obtaining the sword, Deathstalker joins with other travelers going to the Big Tournament to determine the strongest warrior. The false king holds the true princess in captivity, and plots to have Deathstalker killed, and Deathstalker must fight to free the princess.

Where to Watch: Available to watch free online (Tubi TV), stream on a popular subscription service (Prime Video) & rent or buy from $2.99 on 1 service (Prime Video).

What it's about: Dr. Dempsey is an American scientist who has become a skeptic. He isn't enthusiastic to be sent by his employer to Scotland to (dis)prove the existence of the Loch Ness monster. He finds the locals stubborn, 'primitive' and all but hospitable, not in the least because the Nessie legend is the only tourist attraction. He still gets romantically attracted by his independent inn-keeper Laura, and both her kid and his local assistant end up making him face a small family of Nessie-dinosaurs, but is this to be made public?

Where to Watch: Available to watch free online (Tubi TV & Vudu) & rent or buy from $3.99 on 2 services (Prime Video & Vudu).

What it's about: After his sister is turned into a werewolf and subsequently killed, Ben White decides to help the enigmatic Stefan Crosscoe fight the growing population of lupine monsters, along with the lovely Jenny Templeton. Traveling to Transylvania, Ben, Jenny and Crosscoe attempt to hunt down the powerful werewolf queen, Stirba, and must face her furry followers, as well as other supernatural forces.

Where to Watch: Available to watch free online (Tubi TV & Vudu), stream on a popular subscription service (Prime Video) & rent or buy from $3.99 on 2 services (iTunes & Vudu).

What it's about: Welcome to Monsterland! A terrifying place where savage beasts, carnivorous creatures, and grotesque abominations are the new normal; and the human race is now at the bottom of the food chain.

Where to Watch: Available to watch free online (Tubi TV), stream on a popular subscription service (Prime Video) & rent or buy from $2.99 on 7 services (iTunes, Google Play & 5 others).

What it's about: Giant lava breathing tarantulas – Lavalantulas – erupt out of ancient volcanos in the Santa Monica Mountains, raining death and destruction upon Los Angeles. With the City of Angels on the verge of incineration, only a washed up ‘90s action hero actor stands in the way of this monstrous swarm of bloodthirsty creatures who burn their victims alive.

Where to Watch: Available to watch free online (Sony Crackle, PopcornFlix, Tubi TV & 1 other), stream on a popular subscription service (Prime Video) & rent or buy from $3.99 on 1 service (Prime Video).

What it's about: Catherine Bomarzini returns to the family castle in Italy after her father's death and gets caught in the web of a mysterious love triangle: a man who is at times repulsive, at others enchanting; and a creature of the night whose gentle eyes and touch reveal his infinitive love and devotion. With the help of Martha, her faithful childhood nanny, and the ghost of a slain young girl, Catherine discovers the medieval curse that threatens their lives and only she can dispel.

Where to Watch: Available to watch free online (Tubi TV), stream on a subscription service (Full Moon) & rent or buy from $3.99 on 1 service (Prime Video).

What it's about: A man receives a mysterious box containing a terrible secret, a creature that will kill everyone else in his family unless he passes it on to someone he loves to continue its never-ending circulation.

Where to Watch: Available to watch free online (Tubi TV & Vudu), stream on a popular subscription service (Prime Video) & rent or buy from $2.99 on 6 services (iTunes, Google Play & 4 others).

What it's about: A creature from outer space crash lands in a small town and starts killing people.

Where to Watch: Available to watch free online (Tubi TV), stream on a popular subscription service (Prime Video) & rent or buy from $0.99 on 4 services (iTunes, Google Play & 2 others).

What it's about: As midnight falls, all manner of terror invades the Earth. demons, cannibals, killers, ghosts and monsters swarm the world in these tales of the supernatural, the fantastic, and the just plain horrific. Featuring nine stories of horror.

Where to Watch: Available to watch free online (Tubi TV & Vudu), stream on a popular subscription service (Prime Video) & rent or buy from $2.99 on 5 services (iTunes, Google Play & 3 others).

What it's about: After his family moves to a new house, a young boy discovers a mysterious book that details a curse hanging over the date of Saturday the 14th. Opening the book releases a band of monsters into the house and the family must join together to save themselves and their neighborhood.

Where to Watch: Available to watch free online (Tubi TV) & rent or buy from $2.99 on 1 service (Prime Video).