Sort by Popularity - Most Popular Movies and TV Shows tagged with keyword "low-budget-sci-fi-movie"
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2. Alien (1979)
R | 117 min | Horror, Sci-Fi
After a space merchant vessel receives an unknown transmission as a distress call, one of the crew is attacked by a mysterious life form and they soon realize that its life cycle has merely begun.
Votes: 826,367 | Gross: $78.90M
3. Aliens (1986)
R | 137 min | Action, Adventure, Sci-Fi
Fifty-seven years after surviving an apocalyptic attack aboard her space vessel by merciless space creatures, Officer Ripley awakens from hyper-sleep and tries to warn anyone who will listen about the predators.
Votes: 680,677 | Gross: $85.16M
4. Star Wars: Episode IV - A New Hope (1977)
PG | 121 min | Action, Adventure, Fantasy
Luke Skywalker joins forces with a Jedi Knight, a cocky pilot, a Wookiee and two droids to save the galaxy from the Empire's world-destroying battle station, while also attempting to rescue Princess Leia from the mysterious Darth Vader.
Votes: 1,280,872 | Gross: $322.74M
5. The Fly (1986)
R | 96 min | Drama, Horror, Sci-Fi
A brilliant but eccentric scientist begins to transform into a giant man/fly hybrid after one of his experiments goes horribly wrong.
Votes: 168,867 | Gross: $40.46M
6. They Live (1988)
R | 94 min | Action, Sci-Fi, Thriller
They influence our decisions without us knowing it. They numb our senses without us feeling it. They control our lives without us realizing it. They live.
Votes: 120,801 | Gross: $13.01M
7. The Terminator (1984)
R | 107 min | Action, Sci-Fi
A human soldier is sent from 2029 to 1984 to stop an almost indestructible cyborg killing machine, sent from the same year, which has been programmed to execute a young woman whose unborn son is the key to humanity's future salvation.
Votes: 822,374 | Gross: $38.40M
8. Cocoon (1985)
PG-13 | 117 min | Comedy, Drama, Sci-Fi
When a group of trespassing seniors swim in a pool containing alien cocoons, they find themselves energized with youthful vigor.
Votes: 60,434 | Gross: $76.11M
9. 10 Cloverfield Lane (2016)
PG-13 | 103 min | Action, Drama, Horror
A young woman is held in an underground bunker by a man who insists that a hostile event has left the surface of the Earth uninhabitable.
Votes: 306,401 | Gross: $72.08M
10. Predestination (I) (2014)
R | 97 min | Action, Drama, Sci-Fi
For his final assignment, a top temporal agent must pursue the one criminal that has eluded him throughout time. The chase turns into a unique, surprising and mind-bending exploration of love, fate, identity and time travel taboos.
Votes: 267,495 | Gross: $0.07M
11. Predator (1987)
R | 107 min | Action, Adventure, Sci-Fi
A team of commandos on a mission in a Central American jungle find themselves hunted by an extraterrestrial warrior.
Votes: 388,505 | Gross: $59.74M
12. Coherence (2013)
Not Rated | 89 min | Drama, Mystery, Sci-Fi
Strange things begin to happen when a group of friends gather for a dinner party on an evening when a comet is passing overhead.
Votes: 118,444 | Gross: $0.07M
13. The Day the Earth Stood Still (1951)
G | 92 min | Drama, Sci-Fi
An alien lands in Washington, D.C. and tells the people of Earth that they must live peacefully or be destroyed as a danger to other planets.
14. Color Out of Space (2019)
Unrated | 111 min | Horror, Mystery, Sci-Fi
A secluded farm is struck by a strange meteorite which has apocalyptic consequences for the family living there and possibly the world.
16. The Blob (1988)
R | 95 min | Horror, Sci-Fi, Thriller
A deadly entity from space crashes near a small town and begins consuming everyone in its path. Panic ensues as shady government scientists try to contain the horrific creature.
Votes: 35,081 | Gross: $8.25M
17. Moon (2009)
R | 97 min | Drama, Mystery, Sci-Fi
Astronaut Sam Bell has a quintessentially personal encounter toward the end of his three-year stint on the Moon, where he, working alongside his computer, GERTY, sends back to Earth parcels of a resource that has helped diminish our planet's power problems.
Votes: 346,342 | Gross: $5.01M
18. Invasion of the Body Snatchers (1978)
PG | 115 min | Horror, Sci-Fi
When strange seeds drift to earth from space, mysterious pods begin to grow and invade San Francisco, California, where they replicate the residents into emotionless automatons one body at a time.
Votes: 56,706 | Gross: $24.95M
19. Critters (1986)
PG-13 | 86 min | Comedy, Horror, Sci-Fi
A group of small but vicious alien creatures called Crites escape from an alien prison transport vessel and land near a small farm town on earth, pursued by two shape-shifting bounty hunters.
Votes: 34,090 | Gross: $13.17M
20. The Thing from Another World (1951)
Approved | 87 min | Horror, Sci-Fi
Scientists and American Air Force officials fend off a bloodthirsty alien organism while at a remote arctic outpost.
21. Prospect (2018)
R | 100 min | Adventure, Drama, Sci-Fi
A teenage girl and her father travel to a remote alien moon, aiming to strike it rich. They've secured a contract to harvest a large deposit of the elusive gems hidden in the depths of the moon's toxic forest. But there are others roving the wilderness and the job quickly devolves into a fight to survive. Forced to contend not only with the forest's other ruthless inhabitants, but with her own ... See full summary »
22. Dark Skies (2013)
PG-13 | 97 min | Horror, Sci-Fi, Thriller
As the Barrett family's peaceful suburban life is rocked by an escalating series of disturbing events, they come to learn that a terrifying and deadly force is after them, one which may have arrived from beyond the stars.
Votes: 73,515 | Gross: $17.41M
23. Time Trap (2017)
Not Rated | 87 min | Action, Adventure, Mystery
A professor enters a cave and goes missing. Some of his students come looking for him and get trapped in the cave as well.
24. Equilibrium (2002)
R | 107 min | Action, Drama, Sci-Fi
In an oppressive future where all forms of feeling are illegal, a man in charge of enforcing the law rises to overthrow the system and state.
Votes: 319,025 | Gross: $1.20M
25. Soylent Green (1973)
PG | 97 min | Crime, Mystery, Sci-Fi
A nightmarish futuristic fantasy about the controlling power of big corporations and an innocent cop who stumbles on the truth.
Votes: 61,321 | Gross: $7.92M
28. The Endless (I) (2017)
Not Rated | 111 min | Drama, Fantasy, Horror
As kids, they escaped a UFO death cult. Now, two adult brothers seek answers after an old videotape surfaces and brings them back to where they began.
Votes: 38,567 | Gross: $0.27M
29. Chronicle (2012)
PG-13 | 84 min | Action, Drama, Sci-Fi
Three high school friends gain superpowers after making an incredible discovery underground. Soon they find their lives spinning out of control and their bond tested as they embrace their darker sides.
Votes: 245,195 | Gross: $64.58M
30. In the Shadow of the Moon (2019)
TV-MA | 115 min | Crime, Mystery, Sci-Fi
A Philadelphia police officer struggles with a lifelong obsession to track down a mysterious serial killer whose crimes defy explanation.
31. Extinction (2018)
TV-MA | 95 min | Action, Drama, Sci-Fi
A father has a recurring dream of losing his family. His nightmare turns into reality when the planet is invaded by a force bent on destruction. Fighting for their lives, he comes to realize an unknown strength to keep them safe from harm.
32. Occupation (2018)
R | 119 min | Action, Drama, Sci-Fi
A small group of town residents have to band together after a devastating ground invasion. As they struggle to survive, they realize they must stay one step ahead of their attackers, and work together for a chance to strike back.
33. IO (2019)
TV-14 | 96 min | Adventure, Drama, Sci-Fi
As a young scientist searches for a way to save a dying Earth, she finds a connection with a man who's racing to catch the last shuttle off the planet.
34. The Man from Earth (2007)
Not Rated | 87 min | Drama, Fantasy, Mystery
An impromptu goodbye party for Professor John Oldman becomes a mysterious interrogation after the retiring scholar reveals to his colleagues he has a longer and stranger past than they can imagine.
35. From Beyond (1986)
R | 85 min | Horror, Sci-Fi
A group of scientists have developed the Resonator, a machine which allows whoever is within range to see beyond normal perceptible reality. But when the experiment succeeds, they are immediately attacked by terrible life forms.
Votes: 24,698 | Gross: $1.26M
36. The Last Starfighter (1984)
PG | 101 min | Action, Adventure, Sci-Fi
Video game expert Alex Rogan finds himself transported to another planet after conquering The Last Starfighter video game only to find out it was just a test. He was recruited to join the team of best starfighters to defend their world from the attack.
Votes: 40,520 | Gross: $28.73M
38. I Am Mother (2019)
TV-14 | 113 min | Drama, Mystery, Sci-Fi
In the wake of humanity's extinction, a teenage girl is raised by a robot designed to repopulate the earth. But their unique bond is threatened when an inexplicable stranger arrives with alarming news.
39. Night of the Creeps (1986)
R | 88 min | Comedy, Horror, Sci-Fi
Alien brain parasites, entering humans through the mouth, turn their host into a killing zombie. Some teenagers start to fight against them.
Votes: 22,338 | Gross: $0.59M
40. Westworld (1973)
PG | 88 min | Action, Sci-Fi, Thriller
A robot malfunction creates havoc and terror for unsuspecting vacationers at a futuristic, adult-themed amusement park.
Votes: 55,333 | Gross: $16.06M
41. Forbidden Planet (1956)
G | 98 min | Action, Adventure, Sci-Fi
A starship crew in the 23rd century goes to investigate the silence of a distant planet's colony, only to find just two survivors, a powerful robot, and the deadly secret of a lost civilization.
Votes: 47,298 | Gross: $3.00M
43. Fire in the Sky (1993)
PG-13 | 109 min | Biography, Drama, Fantasy
An Arizona logger mysteriously disappears for five days in an alleged encounter with a flying saucer in 1975. His co-workers endure ridicule and contempt as they are wrongly accused of murder.
Votes: 23,473 | Gross: $20.10M
46. DeepStar Six (1989)
R | 99 min | Action, Horror, Sci-Fi
A team of navy personnel stationed at a temporary base at the bottom of the ocean and tasked with setting up nuclear missiles discovers a huge underwater cavern which houses a giant prehistoric creature.
Votes: 11,428 | Gross: $8.14M
49. I Origins (2014)
R | 106 min | Drama, Mystery, Romance
A molecular biologist and his laboratory partner uncover evidence that may fundamentally change society as we know it.
Votes: 120,561 | Gross: $0.33M
50. The Fourth Kind (2009)
PG-13 | 98 min | Horror, Mystery, Sci-Fi
A thriller involving an ongoing unsolved mystery in Alaska, where one town has seen an extraordinary number of unexplained disappearances during the past 40 years and there are accusations of a federal cover up.
Votes: 76,131 | Gross: $25.46M