Movies like Them! (1954)
The best movies like Them! (1954) are Phase IV (1974), X: The Unknown (1956) and The Blob (1988). If Them! hooked you with its science fiction and horror, these 30 similar films are what to watch next, and every pick says why it matches.
Quick picks
- Highest ratedThe Invisible Man (1933)7.5/10 from 1,010 votes
- NewestThe End of Oak Street (2026)Released 2026
Phase IV (1974)
Arizona ants mock the food chain on their way to a desert lab to get two scientists and a woman.
Why it matches: Recommended by TMDB viewers · both horror & science fiction
Popcorn FlickMovies like thisX: The Unknown (1956)
Army radiation experiments awaken a subterranean monster from a fissure that feeds on energy and proceeds to terrorise a remote Scottish village. An American research scientist at a nearby nuclear plant joins with a British investigator to discover why the victims were radioactively burned and why, shortly thereafter, a series of radiation-related incidents are occurring in an ever-growing straight line away from the fissure.
Why it matches: Recommended by TMDB viewers · both horror & science fiction
Popcorn FlickMovies like thisThe Blob (1988)
In Arborville, California, three high school students try to protect their hometown from a gelatinous alien life form that engulfs everything it touches.
Why it matches: Recommended by TMDB viewers · both horror & science fiction
Popcorn FlickMovies like thisUnderwater (2020)
After an earthquake destroys their underwater station, six researchers must navigate two miles along the dangerous, unknown depths of the ocean floor to make it to safety in a race against time.
Why it matches: Recommended by TMDB viewers · both horror & science fiction
Popcorn FlickMovies like thisThe Giant Behemoth (1959)
Marine atomic tests cause changes in the ocean's ecosystem resulting in dangerous blobs of radiation and the resurrection of a dormant dinosaur which threatens London.
Why it matches: Recommended by TMDB viewers · both science fiction & horror
SnoozefestMovies like thisThe Last House (2026)
A family suddenly sealed inside their home must work together to survive against dwindling resources and the ominous threat keeping them trapped.
Why it matches: Recommended by TMDB viewers · both horror & science fiction
Popcorn FlickMovies like thisAlien Abduction (2014)
A vacationing family encounters an alien threat in this pulse-pounding thriller based on the real-life Brown Mountain Lights phenomenon in North Carolina.
Why it matches: Recommended by TMDB viewers · both horror & science fiction
SnoozefestMovies like thisIsland of Terror (1966)
When a small island community becomes overrun with creeping, blobbish, tentacled monsters that liquefy and digest the bones from living creatures, the community struggles to fight back.
Why it matches: Recommended by TMDB viewers · both horror & science fiction
SnoozefestMovies like thisWillard (1971)
A social misfit, Willard is made fun of by his co-workers, and squeezed out of the company started by his deceased father by his boss. His only friends are a couple of rats he raised at home, Ben and Socrates. However, when one of them is killed at work, he goes on a rampage using his rats to attack those who have been tormenting him.
Why it matches: Recommended by TMDB viewers · both horror & science fiction
Popcorn FlickMovies like thisThe Meg (2018)
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.
Why it matches: Recommended by TMDB viewers · both science fiction & horror
Popcorn FlickMovies like thisThe Blob (1958)
A drive-in favorite, this sci-fi classic follows teenagers Steve and his best girl, Jane, as they try to protect their hometown from a gelatinous alien life form that engulfs everything it touches. The first to discover the substance and live to tell about it, Steve and Jane witness the blob destroying an elderly man, then it growing to a terrifying size. But no one else has seen the goo, and policeman Dave refuses to believe the kids without proof.
Why it matches: Recommended by TMDB viewers · both horror & science fiction
Popcorn FlickMovies like thisThe Creeping Flesh (1973)
A Victorian scientist returns to London with his paleontological bag-of-bones discovery from Papua New Guinea. Unfortunately, when exposed to water, flesh returns to the bones, unleashing a malevolent entity on the scientist's family and friends.
Why it matches: Recommended by TMDB viewers · both horror & science fiction
SnoozefestMovies like thisThe Invisible Man (1933)
After experimenting on himself and becoming invisible, scientist Jack Griffin, now aggressive due to the drug's effects, seeks a way to reverse the experiment at any cost.
Why it matches: Recommended by TMDB viewers · both horror & science fiction
Worth the HypeMovies like thisGodzilla: King of the Monsters (2019)
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.
Why it matches: Recommended by TMDB viewers · both science fiction
Popcorn FlickMovies like thisRampage (2018)
Primatologist Davis Okoye shares an unshakable bond with George, the extraordinarily intelligent, silverback gorilla who has been in his care since birth. But a rogue genetic experiment gone awry mutates this gentle ape into a raging creature of enormous size. To make matters worse, it’s soon discovered there are other similarly altered animals. As these newly created alpha predators tear across North America, destroying everything in their path, Okoye teams with a discredited genetic engineer to secure an antidote, fighting his way through an ever-changing battlefield, not only to halt a global catastrophe but to save the fearsome creature that was once his friend.
Why it matches: Recommended by TMDB viewers · both science fiction
Popcorn FlickMovies like thisThe Car (1977)
The Utah community of Santa Ynez is being terrorized by a mysterious black coupe that appears out of nowhere and begins running people down. After the car kills off the town sheriff, Captain Wade Parent is determined to stop the murderous driver.
Why it matches: Recommended by TMDB viewers · both horror
Popcorn FlickMovies like thisDisclosure Day (2026)
A cybersecurity expert becomes a whistleblower after uncovering secrets about aliens, putting him on the run from a corporation. Meanwhile, a meteorologist experiencing strange phenomena joins forces with him to prove there's life beyond our understanding.
Why it matches: Recommended by TMDB viewers · both science fiction
Worth the HypeMovies like thisThe End of Oak Street (2026)
After a mysterious cosmic event rips Oak Street from suburbia and transports their neighborhood to someplace unknown, the Platt family soon discovers that their very survival depends on them sticking together as they navigate their now unrecognizable surroundings.
Why it matches: Recommended by TMDB viewers · both science fiction
Worth the HypeMovies like thisI Am Mother (2019)
A teenage girl is raised underground by a robot "Mother", designed to repopulate the earth following an extinction event. But their unique bond is threatened when an inexplicable stranger arrives with alarming news.
Why it matches: Recommended by TMDB viewers · both science fiction
Popcorn FlickMovies like thisSilver Bullet (1985)
The small city of Tarker's Mills is startled by a series of sadistic murders. The population fears the work of a maniac, but sightings of a mysterious, hairy creature soon spread. People lock themselves up at night, but there's one boy who's still outside…
Why it matches: Recommended by TMDB viewers · both horror
Popcorn FlickMovies like thisThe Hidden (1987)
When average, law-abiding citizens suddenly turn to a life of hedonistic behavior and violent crime, Detective Tom Beck is tasked with helping young FBI agent Lloyd Gallagher determine the cause.
Why it matches: Similar story and style · both science fiction & horror
Popcorn FlickMovies like thisHatched (2022)
Something has been discovered, and this time, a city is under attack by a fast growing T-Rex.
Why it matches: Similar story and style · both horror & science fiction
Arachnid (2001)
Mercer's brother, an amateur pilot, crashes on an island and is killed by a giant spider. A year later, when Mercer goes in search of him, she discovers a breed of venomous arachnids ready to attack.
Why it matches: Similar story and style · both horror & science fiction
SnoozefestMovies like thisSplinter (2008)
When their plans for a nature trip go awry, Polly and boyfriend Seth decide to check into a motel. On their way, they're carjacked and kidnapped by low-rent crooks Dennis and Lacey, who take the victims and their SUV to a nearby gas station. Along the way, they encounter an increasingly terrifying horde of parasites, and if any of them intend to survive, they'll have to outsmart the deadly organisms.
Why it matches: Similar story and style · both horror & science fiction
Popcorn FlickMovies like thisDeep Blue Sea (1999)
Researchers on the undersea lab Aquatica have genetically altered the brains of captive sharks to develop a cure for Alzheimer's disease. But there's an unexpected side effect: the sharks got smarter, faster, and more dangerous. After a big storm damages their remote research facility, they must fight for their lives.
Why it matches: Similar story and style · both horror & science fiction
Popcorn FlickMovies like thisThe Cell (2000)
A psychotherapist journeys inside the mind of a comatose serial killer in the hopes of saving his latest victim.
Why it matches: Similar story and style · both horror & science fiction
Popcorn FlickMovies like thisAlone in the Dark (2005)
Edward Carnby is a private investigator specializing in unexplainable supernatural phenomena. His cases delve into the dark corners of the world, searching for truth in the occult remnants of ancient civilizations. Now, the greatest mystery of his past is about to become the most dangerous case he has ever faced.
Why it matches: Similar story and style · both horror
SnoozefestMovies like thisThe Hills Have Eyes (1977)
Taking an ill-advised detour en-route to California, the Carter family soon run into trouble when their RV breaks down in the middle of the desert. Stranded, they find themselves at the mercy of monstrous cannibals lurking in the surrounding hills.
Why it matches: Similar story and style · both horror
Popcorn FlickMovies like thisAttack of the 50 Foot Woman (TBA)
An abused woman grows to giant size following an alien encounter and sets out for revenge against her husband who tried to kill her.
Why it matches: Similar story and style · both science fiction
Chapter 9 (2019)
As he wanders a mysterious island, Edward Prendick crosses a terrifying Thing that soon wreaks upon him a flood of endless torment. With one treacherous turn after another, Prendick must make his way through this world or suffer the end of his own.
Why it matches: Similar story and style · both horror
Like Them! and something else?
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Frequently asked questions
What are the best movies like Them!?
The closest matches to Them! are Phase IV (1974), X: The Unknown (1956) and The Blob (1988). Below are 27 more, each with the reason it matches.
What should I watch after Them!?
Start with Phase IV (1974), the closest match to Them!.
What is the highest-rated movie like Them!?
The Invisible Man (1933), rated 7.5/10 by 1,010 TMDB users.
What is the newest movie like Them!?
The End of Oak Street (2026) is the most recent release on this list.
Are there English movies like Them!?
Yes: Phase IV (1974), X: The Unknown (1956) and The Blob (1988).
How are movies similar to Them! chosen?
First come films that Trakt’s viewers watch alongside Them!, then TMDB’s recommendations and films it rates as similar in story and genre. Each pick says which signal put it there.