Movies like Phase IV (1974)
The best movies like Phase IV (1974) are Them! (1954), Return of the Fly (1959) and The Blob (1988). If Phase IV hooked you with its horror and science fiction, 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
Them! (1954)
As a result of nuclear testing, gigantic, ferocious mutant ants appear in the American desert southwest, and a father-daughter team of entomologists join forces with the state police officer who first discovers their existence, an FBI agent and, eventually, the US Army to eradicate the menace, before it spreads across the continent — and the world.
Why it matches: Recommended by TMDB viewers · both science fiction & horror
Popcorn FlickMovies like thisReturn of the Fly (1959)
Fifteen years after his father's experiments with matter transmission fail, Philippe Delambre and his uncle François attempt to create a matter transmission device on their own. However, their experiments have disastrous results, turning Philippe into a horrible half-man, half-fly creature.
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 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 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 thisTime Lapse (2014)
Three friends discover a mysterious machine that takes pictures 24 hours into the future and conspire to use it for personal gain, until disturbing and dangerous images begin to develop.
Why it matches: Recommended by TMDB viewers · both science fiction & horror
Popcorn FlickMovies 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 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 Curse of Frankenstein (1957)
Baron Victor Frankenstein has discovered life's secret and unleashed a blood-curdling chain of events resulting from his creation: a cursed creature with a horrid face — and a tendency to kill.
Why it matches: Recommended by TMDB viewers · both horror & science fiction
Popcorn FlickMovies like thisThe Asphyx (1972)
Hugo is a brilliant turn-of-the-century scientist, loved and respected by his family and friends, admired by his colleagues. But he is a man quickly becoming obsessed with a curious and frightening question...What is the mysterious apparition found in the photographs of his dying subjects?
Why it matches: Recommended by TMDB viewers · both horror & science fiction
Popcorn FlickMovies like thisBlood of the Vampire (1958)
A man and wife are terrorized by Mad Scientist Dr. Callistratus who was executed but has returned to life with a heart transplant. Along with his crippled assistant Carl, the 'anemic' Mad Scientist, believed to be a vampire, conducts blood deficiency research on the inmates of a prison hospital for the criminally insane to sustain his return to life.
Why it matches: Recommended by TMDB viewers · both horror & science fiction
SnoozefestMovies like thisThe Tingler (1959)
A pathologist experiments with a deaf-mute woman who is unable to scream to prove that humans die of fright due to an organism he names The Tingler that lives within each person on the spinal cord and is suppressed only when people scream when scared.
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 thisAutomata (2014)
Jacq Vaucan, an insurance agent of ROC robotics corporation, routinely investigates the case of manipulating a robot. What he discovers will have profound consequences for the future of humanity.
Why it matches: Recommended by TMDB viewers · both science fiction
SnoozefestMovies 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 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 thisPaycheck (2003)
Michael Jennings is a genius who's hired – and paid handsomely – by high-tech firms to work on highly sensitive projects, after which his short-term memory is erased so he's incapable of breaching security. But at the end of a three-year job, he's told he isn't getting a paycheck and instead receives a mysterious envelope. In it are clues he must piece together to find out why he wasn't paid – and why he's now in hot water.
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 thisMark of the Vampire (1935)
Sir Borotyn, a prominent Prague resident, is discovered murdered in his home, with all indications pointing to a vampiric assault. The victim's friend, Baron Otto, and the physician who analyzes the body, are certain that the vampire is either the mysterious Count Mora or his daughter. Receiving little help from the law, occult expert Professor Zelen is sought to assist with their investigation.
Why it matches: Recommended by TMDB viewers · both horror
Popcorn FlickMovies like thisGemini Man (2019)
Henry Brogan is an elite 51-year-old assassin who's ready to call it quits after completing his 72nd job. His plans get turned upside down when he becomes the target of a mysterious operative who can seemingly predict his every move. To his horror, Brogan soon learns that the man who's trying to kill him is a younger, faster, cloned version of himself.
Why it matches: Recommended by TMDB viewers · both science fiction
Popcorn FlickMovies like thisTarantula (1955)
A rogue scientist near a small desert town arouses the suspicion of the town's doctor when his lab assistant is found dead from a case of acromegaly, which took only four days to develop. As the doctor investigates, aided by the scientist's new female assistant, they discover that something is devouring local cattle and humans in increasingly large quantities.
Why it matches: Similar story and style · both science fiction & horror
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 thisHardware (1990)
Mark 13 is a government-built killing machine programmed with artificial intelligence, able to repair and recharge itself from any energy source. Through a series of coincidences, the cyborg's head ends up in the home of a sculptress as a bizarre Christmas present from her boyfriend. Once inside its new home, the cyborg promptly reconstructs the rest of its body using a variety of household utensils and proceeds to go on a murderous rampage.
Why it matches: Similar story and style · both horror & science fiction
Popcorn FlickMovies like thisThe Element of Crime (1984)
Fisher, an ex-detective, decides to take one final case when a mysterious serial killer claims the lives of several young girls. Fisher, unable to find the culprit, turns to Osbourne, a writer who was once respected for his contributions to the field of criminology. Fisher begins to use Osbourne's technique, which involves empathizing with serial killers; however, as the detective becomes increasingly engrossed in this method, things take a disturbing turn.
Why it matches: Similar story and style · both science fiction
Popcorn FlickMovies like thisBlood Widow (2014)
Laurie and Hugh are a successful young couple who have just closed on a weekend home away from the city. Unbeknownst to them, the neighboring property contains the crumbling remains of a boarding school that was shuttered in the wake of an unspeakable massacre. The sole survivor of that massacre still resides in the ruins of the school, hiding from the world and wanting only to be left alone. When Laurie and Hugh's friends explore the property, they have no idea that they disturbed an emotionally-broken killing machine: The Blood Widow.
Why it matches: Similar story and style · both horror
SnoozefestMovies like thisThe Good Son (1993)
A young boy stays with his aunt and uncle, and befriends his cousin who's the same age. But his cousin begins showing increasing signs of psychotic behavior.
Why it matches: Similar story and style · both horror
Popcorn FlickMovies like thisMandy (2018)
The Shadow Mountains, 1983. Red and Mandy lead a loving and peaceful existence; but when their pine-scented haven is savagely destroyed, Red is catapulted into a phantasmagoric journey filled with bloody vengeance and laced with fire.
Why it matches: Similar story and style · both horror
Popcorn FlickMovies like thisMidnighters (2018)
Midnight, New Year’s Eve: when all the hopes of new beginnings come to life – except for Lindsey and Jeff Pittman, whose strained marriage faces the ultimate test after they cover up a terrible crime and find themselves entangled in a Hitchcockian web of deceit and madness.
Why it matches: Similar story and style · both horror
SnoozefestMovies like thisRed Planet (2000)
Astronauts search for solutions to save a dying Earth by searching on Mars, only to have the mission go terribly awry.
Why it matches: Similar story and style · both science fiction
SnoozefestMovies like thisFelidae (1994)
A domestic house cat named Francis investigates the grisly feline murders taking place in his new neighborhood.
Why it matches: Similar story and style · both horror
Popcorn FlickMovies like this
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Frequently asked questions
What are the best movies like Phase IV?
The closest matches to Phase IV are Them! (1954), Return of the Fly (1959) and The Blob (1988). Below are 27 more, each with the reason it matches.
What should I watch after Phase IV?
Start with Them! (1954), the closest match to Phase IV.
What is the highest-rated movie like Phase IV?
The Invisible Man (1933), rated 7.5/10 by 1,010 TMDB users.
What is the newest movie like Phase IV?
The End of Oak Street (2026) is the most recent release on this list.
Are there English movies like Phase IV?
Yes: Them! (1954), Return of the Fly (1959) and The Blob (1988).
How are movies similar to Phase IV chosen?
First come films that Trakt’s viewers watch alongside Phase IV, then TMDB’s recommendations and films it rates as similar in story and genre. Each pick says which signal put it there.