Movies like The Strange World of Planet X (1958)
The best movies like The Strange World of Planet X (1958) are Quatermass 2 (1957), It Came from Outer Space (1953) and The Quatermass Xperiment (1955). If The Strange World of Planet X 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 1,014 votes
- NewestSignal One (2026)Released 2026
Quatermass 2 (1957)
In England, a group of space scientists led by Bernard Quatermass, who have developed plans for the first Moon colony, learn that a secret, ostensibly government-run, complex of identical design has been built in a remote part of England and is the focus of periodic falls of small, hollow "meteorites" originating in outer space. Quatermass determines to investigate and uncovers a terrifying extraterrestrial life form which has already begun action to take over the Earth.
Why it matches: Fans watch both · both science fiction & horror
Popcorn FlickMovies like thisIt Came from Outer Space (1953)
Author and amateur astronomer John Putnam and schoolteacher Ellen Fields witness an enormous meteorite come down near a small town in Arizona. Putnam becomes a local object of scorn when, after examining the object up close, he announces that it is a spacecraft, and that it is inhabited...
Why it matches: Fans watch both · both science fiction & horror
Popcorn FlickMovies like thisThe Quatermass Xperiment (1955)
The first manned spacecraft, fired from an English launchpad, is lost from radar before roaring back to Earth and crashing in a farmer's field. The rocket is found to contain only one of the three men who took off in it; and he is unable to talk but appears to be undergoing a torturous physical and mental metamorphosis.
Why it matches: Fans watch both · both science fiction & horror
Popcorn FlickMovies like thisFiend Without a Face (1958)
An American airbase in Canada provokes resentment from the nearby residents after fallout from nuclear experiments at the base are blamed for a recent spate of disappearances. A captain from the airbase is assigned to investigate, and begins to suspect that an elderly British scientist who lives near the base and conducts research in the field of mind over matter knows more than he is letting on..
Why it matches: Fans watch both · both horror & science fiction
Popcorn FlickMovies like thisThe Day of the Triffids (1963)
After an unusual meteor shower leaves most of the human population blind, a merchant navy officer must find a way to conquer tall, aggressive plants which are feeding on people and animals.
Why it matches: Fans watch both · both science fiction & horror
Popcorn FlickMovies like thisNot of This Earth (1957)
An alien from planet Davanna, whose population has developed a terminal blood disease caused by nuclear radiation, is sent to Earth to acquire fresh human blood for his people.
Why it matches: Fans watch both · both science fiction & horror
SnoozefestMovies 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: Fans watch both · both horror & science fiction
Popcorn FlickMovies like thisThe Trollenberg Terror (1958)
A United Nations investigator crosses paths with a pair of psychic sisters on his way to Trollenberg observatory in the Swiss Alps, which has been plagued by a series of mountaineer disappearances that may be related to a radioactive cloud at the mountain's south face.
Why it matches: Fans watch both · both horror & science fiction
SnoozefestMovies like thisVillage of the Damned (1960)
In a small English village everyone suddenly falls unconscious. When they awake every woman of child bearing age is pregnant. The resulting children have the same strange blond hair, eyes and a strong connection to each other.
Why it matches: Fans watch both · both horror & science fiction
Worth the HypeMovies like thisThe Damned (1962)
An American tourist and a troubled young woman are chased by her gang leader brother to a top secret British government facility that conducts experiments on children.
Why it matches: Fans watch both · both horror & science fiction
Popcorn FlickMovies like thisQuatermass and the Pit (1967)
A mysterious artifact unearthed below a London Underground station proves to have powerful psychic effects on the people around.
Why it matches: Fans watch both · both science fiction & horror
Popcorn FlickMovies like thisDie, Monster, Die! (1965)
A young man visits his fiancé's estate to discover that her wheelchair-bound scientist father has discovered a meteorite that emits mutating radiation rays that have turned the plants in his greenhouse to giants. When his own wife falls victim to this mysterious power, the old man takes it upon himself to destroy the glowing object with disastrous results.
Why it matches: Fans watch both · both science fiction & horror
SnoozefestMovies like thisIsland of Lost Souls (1932)
An obsessed scientist conducts profane experiments in evolution, eventually establishing himself as the self-styled demigod to a race of mutated, half-human abominations.
Why it matches: Recommended by TMDB viewers · both science fiction & horror
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 thisThe Incredible Shrinking Man (1957)
A dangerous combination of radiation and insecticide causes the unfortunate Scott Carey to shrink, slowly but surely, until he is only a few inches tall. His home becomes a wilderness where he must survive everything from spiders living in the cellar to his beloved cat.
Why it matches: Recommended by TMDB viewers · both science fiction & horror
Worth the HypeMovies like thisThis Island Earth (1955)
Aliens have landed and are hiding on Earth, but need Earth’s scientists to help them fight an inter-planetary war.
Why it matches: Recommended by TMDB viewers · both science fiction & horror
Popcorn FlickMovies like thisInvasion of the Body Snatchers (1956)
A small-town doctor learns that the population of his community is being replaced by emotionless alien duplicates.
Why it matches: Recommended by TMDB viewers · both science fiction & horror
Worth the HypeMovies 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 Man They Could Not Hang (1939)
Dr. Henryk Savaard is a scientist working on experiments to restore life to the dead. When he is unjustly hanged for murder, he is brought back to life by his trusted assistant. Re-animated he turns decidedly nasty and sets about murdering the jury that convicted him.
Why it matches: Recommended by TMDB viewers · both science fiction & horror
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: Recommended by TMDB viewers · both science fiction & horror
Popcorn FlickMovies like thisCreature from the Black Lagoon (1954)
When scientists exploring the Amazon River stumble on a “missing link” connecting humans and fish, they plan to capture it for later study. But the Creature has plans of his own, and has set his sights on the lead scientist's beautiful fiancée, Kay.
Why it matches: Recommended by TMDB viewers · both horror & science fiction
Popcorn FlickMovies like thisThe Invisible Man Returns (1940)
The owner of a coal mining operation, falsely imprisoned for fratricide, takes a drug to make him invisible, despite its side effect: gradual madness.
Why it matches: Recommended by TMDB viewers · both horror & science fiction
Popcorn FlickMovies like thisEarth vs. the Flying Saucers (1956)
Test space rockets exploding at liftoff and increased reporting of UFO sightings culminate in a direct attempt by alien survivors of a dead, extra-galactic civilization to invade Earth from impervious flying saucers, using ray-weapons of mass destruction.
Why it matches: Recommended by TMDB viewers · both science fiction
Popcorn FlickMovies like thisThe Satan Bug (1965)
A US government germ warfare lab has had an accident. The first theory is that one of the germs has been released and killed several scientists. The big fear is that a more virulent strain, named The Satan Bug because all life can be killed off by it should it escape, may have been stolen.
Why it matches: Recommended by TMDB viewers · both science fiction
Popcorn FlickMovies like thisForbidden Planet (1956)
Starship C57D travels to planet Altair 4 in search of the crew of spaceship "Bellerophon," a scientific expedition that has been missing for twenty years. They find themselves unwelcome by the expedition's lone survivor and warned of destruction by an invisible force if they don't turn back immediately.
Why it matches: Recommended by TMDB viewers · both science fiction
Worth the HypeMovies like thisThe War of the Worlds (1953)
The residents of a small town are excited when a flaming meteor lands in the hills, until they discover it is the first of many transport devices from Mars bringing an army of invaders invincible to any man-made weapon, even the atomic bomb.
Why it matches: Recommended by TMDB viewers · both science fiction
Popcorn FlickMovies like thisSignal One (2026)
A computer scientist is invited by a tech billionaire to join his private facility on a Caribbean island to investigate extraterrestrial matter on Earth. When they make contact beyond our world, chaos erupts as we’re left to wonder: do they come in peace?
Why it matches: Recommended by TMDB viewers · both science fiction
Popcorn FlickMovies like thisBabylon 5: The Gathering (1993)
The feature-length pilot for this Emmy award-winning show. Babylon 5 is the latest in a series of space stations built by humans. The Vorlon ambassador, Kosh, has been poisoned. It is the new commanding officer, Jeffrey Sinclair, who has the responsibility of finding the culprit. Otherwise, the space station will fail in its role of bringing many alien races together.
Why it matches: Recommended by TMDB viewers · both science fiction
Popcorn FlickMovies like thisThe 27th Day (1957)
Five individuals from five nations, including the USA, USSR, and China, suddenly find themselves on an alien saucer, where an alien gives each a container holding three capsules. The alien explains that no power on earth can open a given container except a mental command from the person to whom it is given, then anyone may take a capsule and, by speaking a latitude and longitude at it, cause instant death to all within a given radius: thus each of the five has been provided with the power of life and death. Then, they are given 27 days to decide whether to use the capsules, and returned to the places from which each one came...
Why it matches: Recommended by TMDB viewers · both science fiction
Popcorn FlickMovies like thisThe Curious Dr. Humpp (1969)
A doctor—on orders from a sentient brain—kidnaps intimate couples and takes them to his mansion as prisoners. He injects his subjects with a substance to 'enhance' their sexual abilities. The curious doctor then forces his hostages to have sex. While they are making love, he drains a fluid from them, which he needs to prevent himself from transforming into a monster.
Why it matches: Similar story and style · both horror & science fiction
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Frequently asked questions
What are the best movies like The Strange World of Planet X?
The closest matches to The Strange World of Planet X are Quatermass 2 (1957), It Came from Outer Space (1953) and The Quatermass Xperiment (1955). Below are 27 more, each with the reason it matches.
What should I watch after The Strange World of Planet X?
People who watched The Strange World of Planet X most often go on to Quatermass 2 (1957), It Came from Outer Space (1953) and The Quatermass Xperiment (1955).
What is the highest-rated movie like The Strange World of Planet X?
The Invisible Man (1933), rated 7.5/10 by 1,014 TMDB users.
What is the newest movie like The Strange World of Planet X?
Signal One (2026) is the most recent release on this list.
Are there English movies like The Strange World of Planet X?
Yes: Quatermass 2 (1957), It Came from Outer Space (1953) and The Quatermass Xperiment (1955).
How are movies similar to The Strange World of Planet X chosen?
First come films that Trakt’s viewers watch alongside The Strange World of Planet X, then TMDB’s recommendations and films it rates as similar in story and genre. Each pick says which signal put it there.