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The Best Alien Movies on Prime Video

Finding a good Alien movie to watch can be hard, so we've ranked the best ones and included where to watch them. Check out our list of the best Alien movies of all time streaming on Prime Video.

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1. The Avengers

IMDB LogoIMDB Star
8.0/10
Reelgood Logo
98/100
Released: 2012Rated: PG-13
Science-Fiction, Action & Adventure

What it's about: When an unexpected enemy emerges and threatens global safety and security, Nick Fury, director of the international peacekeeping agency known as S.H.I.E.L.D., finds himself in need of a team to pull the world back from the brink of disaster. Spanning the globe, a daring recruitment effort begins!

Where to Watch: Available to stream on a popular subscription service (Prime Video, Disney+, fuboTV & 1 other), stream on a popular TV everywhere service (Epix) & rent or buy from $3.99 on 4 services (iTunes, Prime Video & 2 others).

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2. Star Trek Beyond

IMDB LogoIMDB Star
7.1/10
Reelgood Logo
77/100
Released: 2016Rated: PG-13
Science-Fiction, LGBTQ

What it's about: The USS Enterprise crew explores the furthest reaches of uncharted space, where they encounter a mysterious new enemy who puts them and everything the Federation stands for to the test.

Where to Watch: Available to stream on a popular subscription service (Prime Video, Hulu & Epix), stream on a popular TV everywhere service (Epix) & rent or buy from $2.99 on 5 services (iTunes, Google Play & 3 others).

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3. Signs

IMDB LogoIMDB Star
6.7/10
Reelgood Logo
84/100
Released: 2002Rated: PG-13
Science-Fiction, Thriller

What it's about: A family living on a farm finds mysterious crop circles in their fields which suggests something more frightening to come.

Where to Watch: Available to stream on a popular subscription service (Prime Video) & rent or buy from $3.99 on 5 services (iTunes, Google Play & 3 others).

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4. Super 8

IMDB LogoIMDB Star
7.0/10
Reelgood Logo
75/100
Released: 2011Rated: PG-13
Mystery, Science-Fiction

What it's about: In 1979 Ohio, several youngsters are making a zombie movie with a Super-8 camera. In the midst of filming, the friends witness a horrifying train derailment and are lucky to escape with their lives. They soon discover that the catastrophe was no accident, as a series of unexplained events and disappearances soon follows. Deputy Jackson Lamb, the father of one of the kids, searches for the terrifying truth behind the crash.

Where to Watch: Available to stream on a popular subscription service (Prime Video, Hulu & Epix), stream on a popular TV everywhere service (Epix) & rent or buy from $2.99 on 6 services (iTunes, Google Play & 4 others).

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5. Starman

IMDB LogoIMDB Star
7.0/10
Reelgood Logo
69/100
Released: 1984Rated: PG
Romance, Action & Adventure

What it's about: When an alien takes the form of a young widow's husband and asks her to drive him from Wisconsin to Arizona, the government tries to stop them.

Where to Watch: Available to stream on a popular subscription service (Prime Video, Hulu & Epix), stream on a popular TV everywhere service (Epix) & rent or buy from $2.99 on 5 services (iTunes, Google Play & 3 others).

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6. Star Trek: First Contact

IMDB LogoIMDB Star
7.6/10
Reelgood Logo
73/100
Released: 1996Rated: PG-13
Thriller, Drama

What it's about: The Borg, a relentless race of cyborgs, are on a direct course for Earth. Violating orders to stay away from the battle, Captain Picard and the crew of the newly-commissioned USS Enterprise E pursue the Borg back in time to prevent the invaders from changing Federation history and assimilating the galaxy.

Where to Watch: Available to watch free online (PlutoTV), stream on a popular subscription service (Prime Video & CBS All Access) & rent or buy from $2.99 on 6 services (iTunes, Google Play & 4 others).

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7. The Man Who Fell to Earth

IMDB LogoIMDB Star
6.7/10
Reelgood Logo
77/100
Released: 1976Rated: R
Science-Fiction, Drama

What it's about: Thomas Jerome Newton is an alien who has come to Earth in search of water to save his home planet. Aided by lawyer Oliver Farnsworth, Thomas uses his knowledge of advanced technology to create profitable inventions. While developing a method to transport water, Thomas meets Mary-Lou, a quiet hotel clerk, and begins to fall in love with her. Just as he is ready to leave Earth, Thomas is intercepted by the U.S. government, and his entire plan is threatened.

Where to Watch: Available to stream on a popular subscription service (Prime Video) & rent or buy from $3.99 on 3 services (iTunes, Google Play & Vudu).

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8. Coneheads

IMDB LogoIMDB Star
5.3/10
Reelgood Logo
63/100
Released: 1993Rated: PG
Science-Fiction, Family

What it's about: The Coneheads were a sketch on the Saturday Night Live television show of the late '70s which were expanded to feature-length proportions with this film. The story concerns Beldar (Dan Aykroyd) and Prymaat (Jane Curtin), who leave the planet Remulak to prepare for an invasion of Planet Earth. But due to a malfunction, they find themselves plunged into the Hudson River and forced to take up residence in Paramus, New Jersey where Beldar gets work as an appliance salesman and makes a deal for a phony social security card. Before long, all thoughts of invading Earth are left behind as Beldar and Prymaat quickly adapt to suburban life — except for their coneheads and metallic-sounding voices, they become a typical middle-class suburban family. The Coneheads have a child, Connie (Michelle Burke) and Beldar becomes a New York cab driver and starts up his own driving school.

Where to Watch: Available to watch free online (PopcornFlix), stream on a popular subscription service (Prime Video, Hulu & Epix), stream on a popular TV everywhere service (Epix) & rent or buy from $2.99 on 6 services (iTunes, Google Play & 4 others).

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9. Bad Taste

IMDB LogoIMDB Star
6.6/10
Reelgood Logo
77/100
Released: 1987Rated: R
Horror, Science-Fiction

What it's about: A team from the intergalactic fast food chain Crumb's Crunchy Delights descends on Earth, planning to make human flesh the newest taste sensation. After they wipe out the New Zealand town Kaihoro, the country’s Astro-Investigation and Defense Service (AIaDS) is called in to deal with the problem. Things are complicated due to Giles, an aid worker who comes to Kaihoro the same day to collect change from the residents. He is captured by the aliens, and AIaDS stages a rescue mission that quickly becomes an all-out assault on the aliens’ headquarters.

Where to Watch: Available to watch free online (Tubi & PopcornFlix), stream on a popular subscription service (Prime Video & Hoopla) & rent or buy from $0.99 on 1 service (Prime Video).

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10. Invasion of the Body Snatchers

IMDB LogoIMDB Star
7.7/10
Reelgood Logo
69/100
Released: 1956
Horror, Science-Fiction

What it's about: A small-town doctor learns that the population of his community is being replaced by emotionless alien duplicates.

Where to Watch: Available to stream on a popular subscription service (Prime Video, CBS All Access & Kanopy) & rent or buy from $2.99 on 6 services (iTunes, Google Play & 4 others).

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11. Evolution

IMDB LogoIMDB Star
6.1/10
Reelgood Logo
67/100
Released: 2001Rated: PG-13
Science-Fiction, Comedy

What it's about: A comedy that follows the chaos that ensues when a meteor hits the Earth carrying alien life forms that give new meaning to the term "survival of the fittest." David Duchovny, Orlando Jones, Seann William Scott, and Julianne Moore are the only people standing between the aliens and world domination... which could be bad news for the Earth.

Where to Watch: Available to watch free online (Plex, PopcornFlix & Crackle), stream on a popular subscription service (Prime Video & CBS All Access) & rent or buy from $2.99 on 6 services (iTunes, Google Play & 4 others).

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12. Star Trek: Insurrection

IMDB LogoIMDB Star
6.4/10
Reelgood Logo
67/100
Released: 1998Rated: PG
Science-Fiction, Action & Adventure

What it's about: When an alien race and factions within Starfleet attempt to take over a planet that has "regenerative" properties, it falls upon Captain Picard and the crew of the Enterprise to defend the planet's people as well as the very ideals upon which the Federation itself was founded.

Where to Watch: Available to stream on a popular subscription service (Prime Video & Epix), stream on a popular TV everywhere service (Epix) & rent or buy from $2.99 on 6 services (iTunes, Google Play & 4 others).

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13. Explorers

IMDB LogoIMDB Star
6.6/10
Reelgood Logo
64/100
Released: 1985Rated: PG
Children, Comedy

What it's about: The visionary dreams of three curious and adventuresome young boys become an exciting reality in Explorers, the action-fantasy from director Joe Dante, who combines keen humor, warmth and fantasy with unexpected twists. In their makeshift laboratory, the boys use an amazing discovery and their ingenuity to build their own spaceship and launch themselves on a fantastic interplanetary journey.

Where to Watch: Available to stream on a popular subscription service (Prime Video & Kanopy) & rent or buy from $2.99 on 6 services (iTunes, Google Play & 4 others).

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14. Lifeforce

IMDB LogoIMDB Star
6.2/10
Reelgood Logo
62/100
Released: 1985Rated: R
Horror, Science-Fiction

What it's about: A space shuttle mission investigating Halley's Comet brings back a malevolent race of space vampires who transform most of London's population into zombies. The only survivor of the expedition and British authorities attempt to capture a mysterious but beautiful alien woman who appears responsible.

Where to Watch: Available to watch free online (PlutoTV), stream on a popular subscription service (Prime Video) & rent or buy from $3.99 on 4 services (iTunes, Prime Video & 2 others).

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15. Battle Beyond the Stars

IMDB LogoIMDB Star
5.5/10
Reelgood Logo
56/100
Released: 1980Rated: PG
Science-Fiction, Action & Adventure

What it's about: A young farmer assembles a band of diverse mercenaries to defend his peaceful planet from an evil tyrant.

Where to Watch: Available to watch free online (Tubi, PlutoTV, Vudu & 1 other), stream on a popular subscription service (Prime Video & Hoopla) & rent or buy from $1.99 on 5 services (iTunes, Google Play & 3 others).

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16. Species II

IMDB LogoIMDB Star
4.5/10
Reelgood Logo
54/100
Released: 1998Rated: R
Horror, Science-Fiction

What it's about: Having just returned from a mission to Mars, Commander Ross isn't exactly himself. He's slowly becoming a terrifying alien entity with one goal -- to procreate with human women! When countless women suffer gruesome deaths after bearing half-alien offspring, scientist Laura Baker and hired assassin Press Lennox use Eve, a more tempered alien clone, to find Ross and his brood. Before long Eve escapes to mate with Ross.

Where to Watch: Available to stream on a popular subscription service (Prime Video) & rent or buy from $3.99 on 5 services (iTunes, Google Play & 3 others).

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17. Good Boy!

IMDB LogoIMDB Star
5.1/10
Reelgood Logo
53/100
Released: 2003Rated: PG
Science-Fiction, Family

What it's about: An intergalactic dog pilot from Sirius (the dog star), visits Earth to verify the rumors that dogs have failed to take over the planet.

Where to Watch: Available to stream on a popular subscription service (Prime Video & Hoopla) & rent or buy from $3.99 on 4 services (iTunes, Prime Video & 2 others).

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18. Infected

IMDB LogoIMDB Star
2.8/10
Reelgood Logo
30/100
Released: 2013Rated: R
Action & Adventure, Horror

What it's about: A blood virus infects a small group of hunters turning a father & son trip into a fight for survival.

Where to Watch: Available to watch free online (Tubi, Vudu & PopcornFlix), stream on a popular subscription service (Prime Video & Hoopla) & rent or buy from $1.99 on 4 services (iTunes, Google Play & 2 others).

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19. Darkening Sky

IMDB LogoIMDB Star
4.4/10
Reelgood Logo
30/100
Released: 2010Rated: R
Mystery, Thriller

What it's about: When an alien abduction nightmare is revealed to have been much more than a dream, a skeptical grad student studying the "modern mythology" of UFOs and ETs finds himself confronting an impossible reality involving shape-shifting extraterrestrials, implanted objects, organ harvesting and humans possessed by a malevolent alien presence unlike anything he has ever heard about. All while dealing with a growing suspicion that he is somehow the center of the aliens' plan.

Where to Watch: Available to watch free online (Tubi), stream on a popular subscription service (Prime Video) & rent or buy from $1.99 on 1 service (Prime Video).

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20. Teenagers from Outer Space

IMDB LogoIMDB Star
3.8/10
Reelgood Logo
46/100
Released: 1959
Horror, Science-Fiction

What it's about: A young alien falls for a pretty teenage Earth girl and they team up to try to stop the plans of his invading cohorts, who intend to use Earth as a food-breeding ground for giant lobsters from their planet.

Where to Watch: Available to watch free online (Tubi), stream on a popular subscription service (Prime Video) & rent or buy from $1.99 on 2 services (Prime Video & Microsoft).

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21. The Angry Red Planet

IMDB LogoIMDB Star
5.3/10
Reelgood Logo
49/100
Released: 1959
Science-Fiction, Action & Adventure

What it's about: The first manned flight to Mars returns after having been out of communications since it had arrived on Mars. What would it reveal?

Where to Watch: Available to watch free online (Tubi), stream on a popular subscription service (Prime Video, fuboTV, Epix & 1 other), stream on a popular TV everywhere service (Epix) & rent or buy from $3.99 on 2 services (iTunes & Prime Video).

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22. Split Second

IMDB LogoIMDB Star
6.2/10
Reelgood Logo
59/100
Released: 1992Rated: R
Science-Fiction, Action & Adventure

What it's about: In a flooded future London, Detective Harley Stone (Rutger Hauer) hunts a serial killer who murdered his partner and has haunted him ever since. He soon discovers what he is hunting might not be human.

Where to Watch: Available to watch free online (Tubi, PlutoTV, Plex & 1 other), stream on a popular subscription service (Prime Video & Hoopla) & rent or buy from $2.99 on 3 services (iTunes, Prime Video & Microsoft).

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23. Star Trek IV: The Voyage Home

IMDB LogoIMDB Star
7.3/10
Reelgood Logo
71/100
Released: 1986Rated: PG
Science-Fiction, Comedy

What it's about: Fugitives of the Federation for their daring rescue of Spock from the doomed Genesis Planet, Admiral Kirk (William Shatner) and his crew begin their journey home to face justice for their actions. But as they near Earth, they find it at the mercy of a mysterious alien presence whose signals are slowly destroying the planet. In a desperate attempt to answer the call of the probe, Kirk and his crew race back to the late twentieth century. However they soon find the world they once knew to be more alien than anything they've encountered in the far reaches of the galaxy!

Where to Watch: Available to watch free online (PlutoTV), stream on a popular subscription service (Prime Video & CBS All Access) & rent or buy from $2.99 on 5 services (iTunes, Google Play & 3 others).

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24. Supernova

IMDB LogoIMDB Star
4.9/10
Reelgood Logo
57/100
Released: 2000Rated: R
Science-Fiction, Thriller

What it's about: Set in the 22nd century, when a battered salvage ship sends out a distress signal, the seasoned crew of the rescue hospital ship Nova-17 responds. What they find is a black hole--that threatens to destroy both ships--and a mysterious survivor whose body quickly mutates into a monstrous and deadly form.

Where to Watch: Available to watch free online (Tubi & PlutoTV), stream on a popular subscription service (Prime Video & Hoopla) & rent or buy from $3.99 on 5 services (iTunes, Google Play & 3 others).

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25. Star Trek: The Motion Picture

IMDB LogoIMDB Star
6.4/10
Reelgood Logo
68/100
Released: 1979Rated: PG
Science-Fiction, Action & Adventure

What it's about: When a destructive space entity is spotted approaching Earth, Admiral Kirk resumes command of the Starship Enterprise in order to intercept, examine, and hopefully stop it.

Where to Watch: Available to stream on a popular subscription service (Prime Video, Hulu & Epix), stream on a popular TV everywhere service (Epix) & rent or buy from $2.99 on 5 services (iTunes, Google Play & 3 others).

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26. Death Machine

IMDB LogoIMDB Star
5.7/10
Reelgood Logo
55/100
Released: 1994Rated: R
Science-Fiction, Action & Adventure

What it's about: 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.

Where to Watch: Available to watch free online (Plex), stream on a popular subscription service (Prime Video) & rent or buy from $3.99 on 5 services (iTunes, Google Play & 3 others).

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27. Planet of the Vampires

IMDB LogoIMDB Star
6.3/10
Reelgood Logo
56/100
Released: 1965
Horror, Science-Fiction

What it's about: In the near future the two spaceships Argos and Galliot are sent to investigate the mysterious planet Aura. As the Galliot lands on the planet her crew suddenly go berserk and attack each other. The strange event passes, but the crew soon discovers the crashed Argos - and learns that her crew died fighting each other! Investigating further, the explorers come to realize the existence of a race of bodiless aliens that seek to escape from their dying world.

Where to Watch: Available to stream on a popular subscription service (Prime Video & Epix), stream on a popular TV everywhere service (Epix) & rent or buy from $3.99 on 4 services (iTunes, Prime Video & 2 others).

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28. Transformers: Dark of the Moon

IMDB LogoIMDB Star
6.2/10
Reelgood Logo
71/100
Released: 2011Rated: PG-13
Science-Fiction, Action & Adventure

What it's about: Sam Witwicky takes his first tenuous steps into adulthood while remaining a reluctant human ally of Autobot-leader Optimus Prime. The film centers around the space race between the USSR and the USA, suggesting there was a hidden Transformers role in it all that remains one of the planet's most dangerous secrets.

Where to Watch: Available to stream on a popular subscription service (Prime Video, Hulu & Epix), stream on a popular TV everywhere service (Epix) & rent or buy from $2.99 on 5 services (iTunes, Google Play & 3 others).

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29. Star Trek V: The Final Frontier

IMDB LogoIMDB Star
5.5/10
Reelgood Logo
63/100
Released: 1989Rated: PG
Science-Fiction, Action & Adventure

What it's about: Capt. Kirk and his crew must deal with Mr. Spock's half brother who kidnaps three diplomats and hijacks the Enterprise in his obsessive search for God.

Where to Watch: Available to stream on a popular subscription service (Prime Video & Epix), stream on a popular TV everywhere service (Epix) & rent or buy from $2.99 on 5 services (iTunes, Google Play & 3 others).

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30. A.I. Artificial Intelligence

IMDB LogoIMDB Star
7.2/10
Reelgood Logo
85/100
Released: 2001Rated: PG-13
Science-Fiction, Action & Adventure

What it's about: David, a robotic boy—the first of his kind programmed to love—is adopted as a test case by a Cybertronics employee and his wife. Though he gradually becomes their child, a series of unexpected circumstances make this life impossible for David. Without final acceptance by humans or machines, David embarks on a journey to discover where he truly belongs, uncovering a world in which the line between robot and machine is both vast and profoundly thin.

Where to Watch: Available to stream on a popular subscription service (Prime Video & CBS All Access) & rent or buy from $2.99 on 4 services (iTunes, Google Play & 2 others).

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31. Big Ass Spider!

IMDB LogoIMDB Star
5.3/10
Reelgood Logo
52/100
Released: 2013Rated: PG-13
Science-Fiction, Action & Adventure

What it's about: When a giant alien spider escapes from a military lab and rampages across the city of Los Angeles, it is up to one clever exterminator and his security guard sidekick to kill the creature before the entire city is destroyed.

Where to Watch: Available to watch free online (Tubi, Plex, Vudu & 2 others), stream on a popular subscription service (Prime Video & fuboTV) & rent or buy from $1.99 on 5 services (iTunes, Google Play & 3 others).

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32. Rakka

IMDB LogoIMDB Star
7.4/10
Reelgood Logo
63/100
Released: 2017
Action & Adventure, Science-Fiction

What it's about: A story of broken humanity following the invasion of a technologically superior alien species. Bleak, harrowing, and unrelenting, the humans must find enough courage to go on fighting.

Where to Watch: Available to stream on a popular subscription service (Prime Video) & rent or buy from $4.99 on 1 service (iTunes).

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33. Plan 9 from Outer Space

IMDB LogoIMDB Star
4.0/10
Reelgood Logo
63/100
Released: 1959
Horror, Science-Fiction

What it's about: In California, an old man grieves the loss of his wife and on the next day he also dies. However, the space soldier Eros and her mate Tanna use an electric device to resurrect them both and the strong Inspector Clay that was murdered by the couple. Their intention is not to conquest Earth but to stop mankind from developing the powerful bomb “Solobonite” that would threaten the universe. When the population of Hollywood and Washington DC sees flying saucers on the sky, a colonel, a police lieutenant, a commercial pilot, his wife and a policeman try to stop the aliens.

Where to Watch: Available to watch free online (Tubi, PlutoTV & PopcornFlix), stream on a popular subscription service (Prime Video, Fandor, Hoopla & 1 other), stream on a TV everywhere service (TCM) & rent or buy from $2.00 on 4 services (iTunes, Google Play & 2 others).

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34. Star Trek VI: The Undiscovered Country

IMDB LogoIMDB Star
7.2/10
Reelgood Logo
71/100
Released: 1991Rated: PG
Mystery, Science-Fiction

What it's about: On the eve of retirement, Kirk and McCoy are charged with assassinating the Klingon High Chancellor and imprisoned. The Enterprise crew must help them escape to thwart a conspiracy aimed at sabotaging the last best hope for peace.

Where to Watch: Available to stream on a popular subscription service (Prime Video, Hulu & Epix), stream on a popular TV everywhere service (Epix) & rent or buy from $2.99 on 6 services (iTunes, Google Play & 4 others).

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35. Absolutely Anything

IMDB LogoIMDB Star
6.0/10
Reelgood Logo
61/100
Released: 2015Rated: R
Science-Fiction, Comedy

What it's about: Eccentric aliens give a man the power to do anything he wants to determine if Earth is worth saving.

Where to Watch: Available to watch free online (Tubi, PlutoTV, Vudu & 1 other), stream on a popular subscription service (Prime Video & Hoopla) & rent or buy from $2.99 on 7 services (iTunes, Google Play & 5 others).

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36. Beyond The Sky

IMDB LogoIMDB Star
5.7/10
Reelgood Logo
55/100
Released: 2018
Horror, Mystery

What it's about: A documentary filmmaker travels to a UFO convention in New Mexico where he meets a local artist with a dark secret. As they follow a trail of clues they discover disturbing sightings and question all they believe when they become immersed in the enigmatic culture of the Pueblo Indians.

Where to Watch: Available to watch free online (Tubi), stream on a popular subscription service (Prime Video & Hoopla) & rent or buy from $2.99 on 6 services (iTunes, Google Play & 4 others).

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37. War Of The Worlds The True Story

IMDB LogoIMDB Star
6.9/10
Reelgood Logo
49/100
Released: 2012
Drama, Action & Adventure

What it's about: What if the Earth/Mars battle from H.G. Wells' classic novel The War of the Worlds wasn't fiction but actually fact? That's the story of WAR OF THE WORLDS THE TRUE STORY, 85th Academy Awards Oscar contender. Like the famous 1938 Orson Welles radio broadcast that caused Americans to believe an actual invasion was in progress, the movie assumes an Earth/Mars War in 1900 actually occurred and is presented as the first hand memoir of journalist Bertie Wells, the last living survivor as he struggles to find his wife amidst the destruction of humankind at the hands of terrifying alien invaders. Now on DVD and ON DEMAND.

Where to Watch: Available to stream on a popular subscription service (Prime Video) & rent or buy from $2.99 on 1 service (Prime Video).

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38. The Relic

IMDB LogoIMDB Star
5.8/10
Reelgood Logo
61/100
Released: 1997Rated: R
Horror, Thriller

What it's about: A homicide detective and an anthropologist try to destroy a South American lizard-like god, who's on a people eating rampage in a Chicago museum.

Where to Watch: Available to stream on a popular subscription service (Prime Video, Hulu & Epix), stream on a popular TV everywhere service (Epix) & rent or buy from $2.99 on 6 services (iTunes, Google Play & 4 others).

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39. Meatball Machine

IMDB LogoIMDB Star
5.7/10
Reelgood Logo
49/100
Released: 2005
Horror, Science-Fiction

What it's about: Capable of making bio-mechanical weapons out of human flesh, alien parasites grotesquely invade the Earth, turning their hosts into maniacal killers who seek and destroy each other to the bloody death! And yes, it s also a human love story, even though the budding romantics are infested with slimy, tumor-like globules.

Where to Watch: Available to watch free online (Tubi & Crackle), stream on a popular subscription service (Prime Video & Fear Factory) & rent or buy from $3.99 on 3 services (iTunes, Google Play & Prime Video).

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40. Invasion of the Bee Girls

IMDB LogoIMDB Star
5.0/10
Reelgood Logo
53/100
Released: 1973Rated: R
Science-Fiction, Mystery

What it's about: Neil Agar, a security agent with the State Department, is dispatched to Peckham, California to investigate the death of a bacteriologist working at government-sponsored Brandt Research. His investigation is soon complicated by a growing number of deaths, all men who died of congestive heart failure caused by sexual exhaustion.

Where to Watch: Available to stream on a popular subscription service (Prime Video & Epix), stream on a popular TV everywhere service (Epix) & rent or buy from $3.99 on 1 service (Prime Video).

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41. Alien Invasion: S.U.M.1

IMDB LogoIMDB Star
4.1/10
Reelgood Logo
40/100
Released: 2017Rated: R
Thriller, Science-Fiction

What it's about: An aggressive race of aliens took over Planet Earth and humanity's at its end, living in giant bunkers below ground. Young Military rookie S.U.M.1 (Iwan Rheon) is sent to the surface to save a group of unprotected survivors.

Where to Watch: Available to watch free online (Tubi & Vudu), stream on a popular subscription service (Prime Video, fuboTV & Epix), stream on a popular TV everywhere service (Epix) & rent or buy from $2.99 on 5 services (iTunes, Google Play & 3 others).

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42. Alien Convergence

IMDB LogoIMDB Star
2.2/10
Reelgood Logo
34/100
Released: 2017
Drama, Action & Adventure

What it's about: When flying reptilian creatures wreak havoc all over the world, the survivors’ only hope of stopping them is a new, state-of-the-art fighter jet piloted by the only team that knows how to use the technology.

Where to Watch: Available to watch free online (Tubi, PlutoTV, Peacock & 1 other), stream on a popular subscription service (Prime Video) & rent or buy from $2.99 on 5 services (iTunes, Google Play & 3 others).

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43. Creature

IMDB LogoIMDB Star
4.4/10
Reelgood Logo
46/100
Released: 1985Rated: R
Horror, Science-Fiction

What it's about: A crew of scientists arrives on a far, cold planet to examine archaic artifacts of unknown origin. They discover that their German enemies already have a ship there. When they seek their help after a failed landing, they only find the Germans’ bodies, obviously slaughtered by one of the archaic creatures, awoken to new life. Now the alien is after them.

Where to Watch: Available to watch free online (Tubi), stream on a popular subscription service (Prime Video, Epix & Fandor), stream on a popular TV everywhere service (Epix) & rent or buy from $3.99 on 1 service (iTunes).

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44. Gamera vs. Guiron

IMDB LogoIMDB Star
4.2/10
Reelgood Logo
40/100
Released: 1969
Drama, Action & Adventure

What it's about: Two young boys sneak aboard a spaceship and find themselves whisked away to the mysterious planet Terra. There, they encounter Gamera's old foe Gyaos and two female aliens with a taste for human brains. Gamera must save the children and battle the new monster Guiron, whose entire body is a deadly living weapon.

Where to Watch: Available to stream on a popular subscription service (Prime Video & Shout Factory TV) & rent or buy from $1.99 on 3 services (iTunes, Google Play & Prime Video).

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45. Contamination

IMDB LogoIMDB Star
5.3/10
Reelgood Logo
52/100
Released: 1980Rated: R
Horror, Science-Fiction

What it's about: A former astronaut helps a government agent and a police detective track the source of mysterious alien pod spores, filled with lethal flesh-dissolving acid, to a South American coffee plantation controlled by alien pod clones.

Where to Watch: Available to watch free online (Tubi), stream on a popular subscription service (Prime Video) & rent or buy from $1.99 on 3 services (iTunes, Google Play & YouTube).

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46. Alien Trespass

IMDB LogoIMDB Star
5.7/10
Reelgood Logo
51/100
Released: 2009Rated: PG
Science-Fiction, Comedy

What it's about: In 1957 a fiery object crashes into a mountaintop in the California desert, bringing the threat of disaster to Earth. Out of the flying saucer escapes a murderous creature, the Ghota, bent on destroying all life forms on the planet. A benevolent alien from the spaceship, Urp, inhabits the body of Ted Lewis, an astronomer and with the help of Tammy, a diner waitress, sets out to save mankind.

Where to Watch: Available to watch free online (Tubi & Vudu) & stream on a popular subscription service (Prime Video).

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47. Hunt for the Skinwalker

IMDB LogoIMDB Star
4.4/10
Reelgood Logo
41/100
Released: 2018
Action & Adventure, Drama

What it's about: This documentary is an intimate and unnerving portrait of the events surrounding the most extensive scientific study of a paranormal hotspot in human history.

Where to Watch: Available to stream on a popular subscription service (Prime Video & Hulu) & rent or buy from $2.99 on 5 services (iTunes, Google Play & 3 others).

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48. Stranded

IMDB LogoIMDB Star
3.5/10
Reelgood Logo
45/100
Released: 2013
Horror, Science-Fiction

What it's about: The Lunar Base Ark explores ore and unexpectedly is hit by a meteor shower and has severe damages. Colonel Gerard Brauchman sends the crewwoman Ava Cameron to repair a wing that is full of CO2. Dr. Lance Krauss warns that the gas may cause paranoia and hallucinations. Ava brings a sample of the meteor for analysis and Dr. Krauss finds that there are spores attached to the meteor. Ava accidentally cuts her finger in a sample but she hides the cut from the doctor. Soon Ava gets pregnant and delivers an alien offspring. However, neither Col. Brauchman nor Dr. Kraus believes in her words and they believe that Ava is delusional. He offspring bites the crewman Bruce Johns and the crew discovers that Bruce has been cloned by the alien. Soon they find how dangerous the clone is.

Where to Watch: Available to watch free online (Tubi), stream on a popular subscription service (Prime Video & Hoopla) & rent or buy from $2.99 on 5 services (iTunes, Google Play & 3 others).

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49. Out There

IMDB LogoIMDB Star
5.5/10
Reelgood Logo
44/100
Released: 1995Rated: PG-13
Drama, Comedy

What it's about: A Pulitzer Prize winning photographer is fired from his job for not being sensationalistic enough. After he purchases an old camera at a yard sale, he discovers some undeveloped film in it, including photos of an apparent alien abduction. When he goes public with the photos, he garners the attention of his former boss, the government and a woman who thinks her father was the abductee.

Where to Watch: Available to stream on a popular subscription service (Prime Video & Hoopla) & rent or buy from $2.99 on 2 services (iTunes & Prime Video).

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50. The Traveler

IMDB LogoIMDB StarN/A
Reelgood Logo
43/100
Released: 2019
Comedy, Animation

What it's about: Two abandoned colonists, Odin Scott and John Creed, are reluctantly thrust into a dangerous quest for an elusive Atlas hidden on the deserted wasteland of a distant planet. Created by a team of talented young filmmakers, this short science fiction film features a cinematic style with strong visual silhouettes, other-worldly landscapes, and a vintage-futurist soundtrack.

Where to Watch: Available to stream on a popular subscription service (Prime Video) & rent or buy from $1.99 on 1 service (Prime Video).

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