Best Alien Monster Movies & TV Shows

A group of allied intelligence agents discover that extraterrestrial beings arrived on Earth centuries ago and have been thriving through the exploitation of humans. Believed to be the origins of many of the creatures humans know from myth, folklore and legends, including vampires and werewolves, the group discovers that these aliens have now formed a sinister cadre bent on taking over the world for themselves. In response, the agents form a top-secret multinational agency known as The Global Alliance, charged with protecting the world from the alien threat and keeping it a secret from the public at any cost.

During its return to the earth, commercial spaceship Nostromo intercepts a distress signal from a distant planet. When a three-member team of the crew discovers a chamber containing thousands of eggs on the planet, a creature inside one of the eggs attacks an explorer. The entire crew is unaware of the impending nightmare set to descend upon them when the alien parasite planted inside its unfortunate host is birthed.

A team of American scientists investigate the empty, destroyed base of their Norwegian counterparts in Antarctica, only to discover a terrifying life force that can take the form of its prey.

When danger threatens her camp, the fierce and highly skilled Comanche warrior Naru sets out to protect her people. But the prey she stalks turns out to be a highly evolved alien predator with a technically advanced arsenal.

The world is stunned when a group of time travelers arrive from the year 2051 to deliver an urgent message: Thirty years in the future, mankind is losing a global war against a deadly alien species. The only hope for survival is for soldiers and civilians from the present to be transported to the future and join the fight. Among those recruited is high school teacher and family man Dan Forester. Determined to save the world for his young daughter, Dan teams up with a brilliant scientist and his estranged father in a desperate quest to rewrite the fate of the planet.

Supervillains Harley Quinn, Bloodsport, Peacemaker and a collection of nutty cons at Belle Reve prison join the super-secret, super-shady Task Force X as they are dropped off at the remote, enemy-infused island of Corto Maltese.

Following the events at home, the Abbott family now face the terrors of the outside world. Forced to venture into the unknown, they realize that the creatures that hunt by sound are not the only threats that lurk beyond the sand path.

A team of elite commandos on a secret mission in a Central American jungle come to find themselves hunted by an extraterrestrial warrior.

The world is under attack by an alien armada led by the powerful Apokoliptian, Darkseid. A group of superheroes consisting of Superman, Batman, Wonder Woman, The Flash, Green Lantern, Cyborg, and Shazam must set aside their differences and gather together to defend Earth.

A family is forced to live in silence while hiding from creatures that hunt by sound.

The space family Robinson is sent on a five-year mission to find a new planet to colonise. The voyage is sabotaged time and again by an inept stowaway, Dr. Zachary Smith. The family's spaceship, Jupiter II, also carries a friendly robot who endures an endless stream of abuse from Dr. Smith, but is a trusted companion of young Will Robinson

A soldier from Earth crashlands on an alien world after sustaining battle damage. Eventually he encounters another survivor, but from the enemy species he was fighting; they band together to survive on this hostile world. In the end the human finds himself caring for his enemy in a completely unexpected way.

Residents in a lonely gulch of inland California bear witness to an uncanny, chilling discovery.

Using massive piloted robots to combat the alien threat, earth's survivors take the fight to the invading alien force lurking in the depths of the Pacific Ocean. Nearly defenseless in the face of the relentless enemy, the forces of mankind have no choice but to turn to two unlikely heroes who now stand as earth's final hope against the mounting apocalypse.

After finding a host body in investigative reporter Eddie Brock, the alien symbiote must face a new enemy, Carnage, the alter ego of serial killer Cletus Kasady.

Investigative journalist Eddie Brock attempts a comeback following a scandal, but accidentally becomes the host of Venom, a violent, super powerful alien symbiote. Soon, he must rely on his newfound powers to protect the world from a shadowy organization looking for a symbiote of their own.

Follows the heroic efforts of the crypto-zoological agency Monarch as its members face off against a battery of god-sized monsters, including the mighty Godzilla, who collides with Mothra, Rodan, and his ultimate nemesis, the three-headed King Ghidorah. When these ancient super-species, thought to be mere myths, rise again, they all vie for supremacy, leaving humanity's very existence hanging in the balance.

The Teen Titans are visited by the Nerdlucks, the Space Jam villains who tried to capture Michael Jordan and the Looney Tunes. Astonished to discover his fellow Titans have never seen Space Jam, Cyborg organizes an exclusive watch party.

After status-obsessed teen Sara has sex for the first time, she wakes up the next day nine months pregnant-with an alien.

The six-member crew of the International Space Station is tasked with studying a sample from Mars that may be the first proof of extra-terrestrial life, which proves more intelligent than ever expected.

A massive ball of furry creatures from another world eat their way through a small mid-western town followed by intergalactic bounty hunters opposed only by militant townspeople.

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.

It has been ten years since The Battle of the Breach and the oceans are still, but restless. Vindicated by the victory at the Breach, the Jaeger program has evolved into the most powerful global defense force in human history. The PPDC now calls upon the best and brightest to rise up and become the next generation of heroes when the Kaiju threat returns.

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.

A high school science teacher takes his students on a field trip to see a UFO sighting. What they didn't expect, was that it was a flying saucer that crashed a farm house, and an alien predator feeds on humans, killing each student one by one!

Chaank Armaments is experimenting with the ultimate fighting machine which is part human - part machine. So far, the Hardman project has been unreliable and has killed a number of innocent people. The genius behind this project is Jack who lives in a world of models, toys and magazines. When he is fired by Cale for killing a few corporate officers, he unleashes the ultimate killing machine called the 'Warbeast' against Cale and those who would help her.

When a young boy accidentally triggers the universe's most lethal hunters' return to Earth, only a ragtag crew of ex-soldiers and a disgruntled scientist can prevent the end of the human race.

When a virus threatens to turn the now earth-dwelling friendly alien hybrids against humans, Captain Rose Corley must lead a team of elite mercenaries on a mission to the alien world in order to save what's left of humanity.

A spaceship is sent to Mars after a alien distress signal is picked up. They find one survivor, but when a crew member is found drained of blood it's evident they have rescued a bloodsucking monster.

Martin Brundle, born of the human/fly, is adopted by his father's place of employment (Bartok Inc.) while the employees simply wait for his mutant chromosomes to come out of their dormant state.

When a meteorite touches down in the New Jersey woods carrying a monstrous alien slug, it’s up to four teens to stop it before it’s terrifying brood consumes all life on Earth!

The day after a weird green light is seen in the English sky, a strange young man stops at the country home of two lesbian housemates. It turns out that the man is an alien, and a hungry one.

Detective Mark Corley storms his way onto an alien spaceship to rescue his estranged son. When the ship crashes in Southeast Asia, he forges an alliance with a band of survivors to take back the planet once and for all.

In 2010 “Skinwalker Ranch” gained media attention after experiencing a wide range of unexplained phenomena. Reports ranged from UFO sightings to livestock mutilation, but maybe most notable was the disappearance of ranch owner Hoyt Miller’s eight-year-old son Cody on November 11, 2010. Close to a year later, Modern Defense Enterprises has sent a team of experts to document and investigate the mysterious occurrences, which only escalate upon their arrival. Tensions rise as the team must decide how far they will go to unlock the mysteries of “Skinwalker Ranch.” The group debates whether the answers are worth risking their lives for, or if they should just call off the investigation and leave the ranch—that is, if leaving is actually an option…

Group of heroin smugglers finds shelter on abandoned oil rig after their ship had exploded. Soon they find that the oil rig was just cover for biological experiment. One of the results is Charlie - shape-shifting monster with ability to absorb the memory of its victims. However, even such creatures have their own bad habits.

Liberty, a socially awkward 16-year-old, returns from two months at camp to a blindsided introduction of her mother’s fiancé, John Smith, whose charm, intelligence, and beauty paint the picture of a man too perfect to be human.

Tyler and his brother find an alien ship which makes Tyler appear older and gives him other abilities. This turns his high school life upside down, and may enable him to help his older brother's love life. After he is abducted by beings who intend to takeover Earth, he must depend on his inept and lovelorn brother to rescue him.

In what appears to be a cross between Critters and The Towering Inferno, the residents of a shoddy L.A. apartment block are chased up to the roof by hoards of the eponymous hairy horrors.

The survivors of the first Waxwork must use a portal through time to defeat the evil that has followed them and turned their lives upside down.

When strange lights descend on the city of Los Angeles, people are drawn outside like moths to a flame where an extraterrestrial force threatens to swallow the entire human population off the face of the Earth. Now the band of survivors must fight for their lives as the world unravels around them.

Just before bounty hunter Charile triggers his gun to destroy the last two Critter-eggs, he gets a message that it would be illegal to extinguish the race from the galaxy. He's sent a transporter where he puts the eggs - unfortunately the transporter takes him with it and then gets lost in space.

Global panic ensues when it is revealed that a mysterious UFO is actually a giant turkey-like bird that flies at supersonic speed and has no regard for life or architecture.

A genetically re-engineered dog develops a psychic link with a monster created in a lab experiment which goes awry.

After someone is killed in the subterranean project called "Shadowzone," a NASA captain is called in to investigate. In the project, sleeping subjects are induced into a deep EDS state whereby they become portals to a parallel universe. Unfortunately this causes adverse reactions in the subject, and something gets through the portal, the consequence of which is an attrition problem.

An evil brain from outer space unleashes monsters with deadly diseases on Earth with trying to conquer the universe. Superhero Starman must battle them all to save his planet.

In the Old West an outlaw named Sam Phoenix is about to be hanged. But just before the noose tightens, the town is besieged by a lethal alien invader with a laser-shooting stingray and a crazy Sarlacc mouth. The townsfolk scramble but get promptly smoked, save for a handful of survivors led by Phoenix.

When a deep space fishing vessel is robbed by a gang of pirates, the Captain makes a daring decision to go after a rare and nearly extinct species. His obsession propels them further into space as the crew spins toward mutiny and betrayal.

When an atomic war on Mars destroys the planet's women, it's up to Martian Princess Marcuzan and her right-hand man Dr. Nadir to travel to earth and kidnap women for new breeding stock. Landing in Puerto Rico, they shoot down a NASA space capsule manned by an android. With his electronic brain damaged, the android terrorizes the island while the Martians raid beaches and pool parties

Secretly engineered and blasted into space by government scientists, a vile monster crash-lands back on Earth and begins killing everyone it encounters. As the death toll rises, veteran cop McLemore bravely steps forward to crush the scary creature.

On a planet in a distant galaxy, a power hungry Leprechaun, holds a beautiful alien princess hostage in order to marry her for her royal title. With her title and his beloved gold, he'll be able to rule the universe. While making his maniacal plans, what he doesn't count on is an invading platoon of marines from Earth, to save the princess and foil his plans. An accomplished trickster, the Leprechaun stows himself away on the orbiting spaceship and wreaks havoc on the crew in an attempt to recapture his bride.