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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. Arrival

IMDB LogoIMDB Star
7.9/10
Rotten Tomatoes Logo94%
Reelgood Logo
81/100
Released: 2016Rated: PG-13
Drama, Mystery

What it's about: Taking place after alien crafts land around the world, an expert linguist is recruited by the military to determine whether they come in peace or are a threat.

Where to Watch: Available to stream on a popular subscription service (Prime Video), stream on a popular TV everywhere service (Epix) & rent or buy from $2.99 on 8 services (iTunes, Google Play & 6 others).

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2. Invasion of the Body Snatchers

IMDB LogoIMDB Star
7.8/10
Rotten Tomatoes Logo98%
Reelgood Logo
81/100
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) & rent or buy from $2.99 on 7 services (iTunes, Google Play & 5 others).

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3. Cloverfield

IMDB LogoIMDB Star
7.0/10
Rotten Tomatoes Logo77%
Reelgood Logo
81/100
Released: 2008Rated: PG-13
Action & Adventure, Science-Fiction

What it's about: Five young New Yorkers throw their friend a going-away party the night that a monster the size of a skyscraper descends upon the city. Told from the point of view of their video camera, the film is a document of their attempt to survive the most surreal, horrifying event of their lives.

Where to Watch: Available to stream on a popular subscription service (Prime Video & Shudder), stream on a popular TV everywhere service (Epix) & rent or buy from $2.99 on 9 services (iTunes, Google Play & 7 others).

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4. Invasion of the Body Snatchers

IMDB LogoIMDB Star
7.4/10
Rotten Tomatoes Logo95%
Reelgood Logo
81/100
Released: 1978Rated: PG
Horror, Science-Fiction

What it's about: The first remake of the paranoid infiltration classic moves the setting for the invasion, from a small town to the city of San Francisco and starts as Matthew Bennell notices that several of his friends are complaining that their close relatives are in some way different. When questioned later they themselves seem changed, as they deny everything or make lame excuses. As the invaders increase in number they become more open and Bennell, who has by now witnessed an attempted "replacement", realises that he and his friends must escape or suffer the same fate. But who can he trust to help him and who has already been snatched?

Where to Watch: Available to stream on a popular subscription service (Prime Video), stream on a popular TV everywhere service (Epix) & rent or buy from $2.99 on 4 services (iTunes, Microsoft & 2 others).

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5. A.I. Artificial Intelligence

IMDB LogoIMDB Star
7.1/10
Rotten Tomatoes Logo73%
Reelgood Logo
80/100
Released: 2001Rated: PG-13
Action & Adventure, Drama

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 watch free online (Vudu), stream on a popular subscription service (Prime Video), stream on a popular TV everywhere service (Epix) & rent or buy from $2.99 on 7 services (iTunes, Google Play & 5 others).

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6. Liquid Sky

IMDB LogoIMDB Star
6.1/10
Rotten Tomatoes Logo95%
Reelgood Logo
68/100
Released: 1982Rated: R
Science-Fiction, LGBTQ

What it's about: Invisible aliens in a tiny flying saucer come to Earth looking for heroin. They land on top of a New York apartment inhabited by a drug dealer and her female, androgynous, bisexual nymphomaniac lover, a fashion model. The aliens soon find the human pheromones created in the brain during orgasm preferable to heroin, and the model's casual sex partners begin to disappear.

Where to Watch: Available to stream on a popular subscription service (Prime Video & Shudder) & rent or buy from $0.99 on 1 service (Prime Video).

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7. Star Trek: Insurrection

IMDB LogoIMDB Star
6.4/10
Rotten Tomatoes Logo54%
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), stream on a popular TV everywhere service (Epix) & rent or buy from $2.99 on 8 services (Google Play, Prime Video & 6 others).

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8. Final Fantasy: The Spirits Within

IMDB LogoIMDB Star
6.4/10
Rotten Tomatoes Logo45%
Reelgood Logo
65/100
Released: 2001Rated: PG-13
Animation, Action & Adventure

What it's about: Led by a strange dream, scientist Aki Ross struggles to collect the eight spirits in the hope of creating a force powerful enough to protect the planet. With the aid of the Deep Eyes Squadron and her mentor, Dr. Sid, Aki must save the Earth from its darkest hate and unleash the spirits within.

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

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9. Valerian and the City of a Thousand Planets

IMDB LogoIMDB Star
6.5/10
Rotten Tomatoes Logo49%
Reelgood Logo
65/100
Released: 2017Rated: PG-13
Action & Adventure, Science-Fiction

What it's about: In the 28th century, Valerian and Laureline are special operatives charged with keeping order throughout the human territories. On assignment from the Minister of Defense, the two undertake a mission to Alpha, an ever-expanding metropolis where species from across the universe have converged over centuries to share knowledge, intelligence, and cultures. At the center of Alpha is a mysterious dark force which threatens the peaceful existence of the City of a Thousand Planets, and Valerian and Laureline must race to identify the menace and safeguard not just Alpha, but the future of the universe.

Where to Watch: Available to stream on a popular subscription service (Prime Video) & rent or buy from $1.99 on 8 services (iTunes, Google Play & 6 others).

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10. Stargate: Continuum

IMDB LogoIMDB Star
7.5/10
Rotten Tomatoes LogoN/A
Reelgood Logo
63/100
Released: 2008Rated: PG
Action & Adventure, Science-Fiction

What it's about: Ba'al travels back in time and prevents the Stargate program from being started. SG-1 must somehow restore history.

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

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11. The Lost Skeleton of Cadavra

IMDB LogoIMDB Star
7.0/10
Rotten Tomatoes Logo51%
Reelgood Logo
63/100
Released: 2001Rated: PG
Comedy, Horror

What it's about: Remember the good old days when anyone with a camera and a few thousand bucks could schlep up to Bronson canyon and quickly make a cheap sci-fi/horror B-movie? Well, they're back! The Lost Skeleton of Cadavra is an affectionate, meticulous re-creation of those notoriously cheesy clunkers, as a gaggle of beloved stereotypes pursue "that rarest of radioactive elements - atmospherium."

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

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12. Fire in the Sky

IMDB LogoIMDB Star
6.5/10
Rotten Tomatoes Logo39%
Reelgood Logo
62/100
Released: 1993Rated: PG-13
Biography, Drama

What it's about: A group of men who were clearing bush for the government arrive back in town, claiming that their friend was abducted by aliens. Nobody believes them, and despite a lack of motive and no evidence of foul play, their friends' disappearance is treated as murder.

Where to Watch: Available to stream on a popular subscription service (Prime Video & Hulu), stream on a popular TV everywhere service (Epix) & rent or buy from $2.99 on 7 services (iTunes, Google Play & 5 others).

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13. Lifeforce

IMDB LogoIMDB Star
6.1/10
Rotten Tomatoes Logo58%
Reelgood Logo
62/100
Released: 1985Rated: R
Action & Adventure, Horror

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 (Tubi TV & Vudu), stream on a popular subscription service (Prime Video) & rent or buy from $2.99 on 4 services (iTunes, Microsoft & 2 others).

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14. Horror Express

IMDB LogoIMDB Star
6.6/10
Rotten Tomatoes Logo67%
Reelgood Logo
62/100
Released: 1972Rated: R
Horror, Science-Fiction

What it's about: Mysterious and unearthly deaths start to occur while Professor Saxton is transporting the frozen remains of a primitive humanoid creature he found in Manchuria back to Europe.

Where to Watch: Available to watch free online (Tubi TV), stream on a popular subscription service (Prime Video, Fandor, ConTV & 1 other) & rent or buy from $1.99 on 4 services (iTunes, Google Play & 2 others).

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15. First Men in the Moon

IMDB LogoIMDB Star
6.6/10
Rotten Tomatoes Logo75%
Reelgood Logo
62/100
Released: 1964Rated: PG
Action & Adventure, Science-Fiction

What it's about: Based on the HG Wells story. The world is delighted when a space craft containing a crew made up of the world's astronauts lands on the moon, they think for the first time. But the delight turns to shock when the astronauts discover an old British flag and a document declaring that the moon is taken for Queen Victoria proving that the astronauts were not the first men on the moon.

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

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16. The Day of the Triffids

IMDB LogoIMDB Star
6.1/10
Rotten Tomatoes Logo79%
Reelgood Logo
61/100
Released: 1962
Horror, Independent

What it's about: A shower of meteorites produces a rare night time spectacle that blinds anyone that looks at it. As it was such a beautiful sight, most people were watching, and as a consequence, 99% of the World's population go completely blind. In the original novel, this chaos results in the escape of Triffids: farmed plants harvested for their oils, which are capable of moving themselves around and are carnivorous. In this film version, however, the Triffids are not indigenous plants. Instead they are space aliens whose spores have arrived in this and an earlier meteor shower. Derided by the original novel's author, John Wyndham, for straying so far away from the source material.

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

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17. Stargate: The Ark of Truth

IMDB LogoIMDB Star
7.4/10
Rotten Tomatoes LogoN/A
Reelgood Logo
61/100
Released: 2008Rated: PG
Action & Adventure, Fantasy

What it's about: SG-1 searches for an ancient weapon which could help them defeat the Ori, and discover it may be in the Ori's own home galaxy. As the Ori prepare to send ships through to the Milky Way to attack Earth, SG-1 travels to the Ori galaxy aboard the Odyssey. The International Oversight committee have their own plans and SG-1 finds themselves in a distant galaxy fighting two powerful enemies.

Where to Watch: Available to stream on a popular subscription service (Prime Video) & rent or buy from $2.99 on 7 services (iTunes, Google Play & 5 others).

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18. The Box

IMDB LogoIMDB Star
5.6/10
Rotten Tomatoes Logo44%
Reelgood Logo
57/100
Released: 2009Rated: PG-13
Drama, Mystery

What it's about: Norma and Arthur Lewis, a suburban couple with a young child, receive a simple wooden box as a gift, which bears fatal and irrevocable consequences. A mysterious stranger delivers the message that the box promises to bestow upon its owner $1 million with the press of a button. However pressing this button will simultaneously cause the death of another human being somewhere in the world; someone they don't know. With just 24 hours to have the box in their possession, Norma and Arthur find themselves in the cross-hairs of a startling moral dilemma and must face the true nature of their humanity.

Where to Watch: Available to stream on a popular subscription service (Prime Video) & rent or buy from $0.99 on 7 services (iTunes, Google Play & 5 others).

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19. Imitation Girl

IMDB LogoIMDB Star
5.0/10
Rotten Tomatoes Logo100%
Reelgood Logo
57/100
Released: 2017
Drama, Science-Fiction

What it's about: A mysterious young woman materializes in the middle of the southwestern desert, where each step teaches her about her new world and her new body. As she assumes her new life, she discovers she has a twin with whom she shares more than just an outward appearance.

Where to Watch: Available to stream on a popular subscription service (Prime Video) & rent or buy from $2.99 on 7 services (iTunes, Google Play & 5 others).

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20. How to Talk to Girls at Parties

IMDB LogoIMDB Star
5.8/10
Rotten Tomatoes Logo46%
Reelgood Logo
57/100
Released: 2017Rated: R
Comedy, Romance

What it's about: Croydon, 1977. A trio of punk teenagers goes to a party to meet girls, but they find that girls there are very different from what they expected.

Where to Watch: Available to stream on a popular subscription service (Prime Video) & rent or buy from $3.99 on 8 services (iTunes, Google Play & 6 others).

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21. Plan 9 from Outer Space

IMDB LogoIMDB Star
4.0/10
Rotten Tomatoes Logo67%
Reelgood Logo
56/100
Released: 1959
Horror, Cult

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 (SnagFilms & Tubi TV), stream on a popular subscription service (Prime Video, Fandor, FilmBox & 1 other) & rent or buy from $2.00 on 7 services (iTunes, Google Play & 5 others).

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22. Beacon Point

IMDB LogoIMDB Star
6.1/10
Rotten Tomatoes LogoN/A
Reelgood Logo
51/100
Released: 2016
Thriller, Mystery

What it's about: A group of hikers lost on the Appalachian Trail stumble across an ancient secret that threatens their survival.

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

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23. Beyond The Sky

IMDB LogoIMDB Star
6.0/10
Rotten Tomatoes LogoN/A
Reelgood Logo
50/100
Released: 2018
Science-Fiction, Horror

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

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24. Robotech: The Shadow Chronicles

IMDB LogoIMDB Star
6.4/10
Rotten Tomatoes LogoN/A
Reelgood Logo
49/100
Released: 2006Rated: PG
Animation, Action & Adventure

What it's about: In the year 2044 AD, the human race has amped-up its space exploration and reached out to the stars through the miracle of ROBOTECHNOLOGY, but not without bringing intergalactic war upon the Earth itself. Heroes will die and allegiances will shift. But in the midst of combat, perhaps peace will spring up through the charred remains of battered history. One of the greatest science fiction sagas of all time continues...

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

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25. War Of The Worlds The True Story

IMDB LogoIMDB Star
7.9/10
Rotten Tomatoes LogoN/A
Reelgood Logo
48/100
Released: 2012
Action & Adventure, Science-Fiction

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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26. Extraterrestrial

IMDB LogoIMDB Star
5.0/10
Rotten Tomatoes Logo30%
Reelgood Logo
47/100
Released: 2014
Science-Fiction, Horror

What it's about: Five friends set out to a cabin in the woods for a fun weekend getaway that is, until extraterrestrial visitors turn it into a fight for their lives. The group is pulled from their reverie when a flickering object crashes deep in the woods. As they investigate, the friends stumble across an alien spacecraft, and its inhabitants have not arrived in peace.

Where to Watch: Available to 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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27. Invasion of the Bee Girls

IMDB LogoIMDB Star
5.0/10
Rotten Tomatoes Logo43%
Reelgood Logo
47/100
Released: 1973Rated: R
Horror, 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 watch free online (Tubi TV), stream on a popular subscription service (Prime Video & Full Moon), stream on a popular TV everywhere service (Epix) & rent or buy from $2.99 on 1 service (Prime Video).

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28. TerrorVision

IMDB LogoIMDB Star
5.7/10
Rotten Tomatoes LogoN/A
Reelgood Logo
47/100
Released: 1986Rated: R
Comedy, Horror

What it's about: A family's new satellite TV system starts receiving signals from another planet, and soon it becomes the passageway to an alien world.

Where to Watch: Available to stream on a popular subscription service (Prime Video).

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29. Spacehunter: Adventures in the Forbidden Zone

IMDB LogoIMDB Star
5.4/10
Rotten Tomatoes Logo18%
Reelgood Logo
46/100
Released: 1983Rated: PG
Action & Adventure, Science-Fiction

What it's about: Three women makes an emergency landing on a planet plagued with a fatal disease, but are captured by dictator Overdog. Adventurer Wolff goes there to rescue them and meets Niki, the only Earthling left from a medical expedition. Combining their talents, they try to rescue the women.

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

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30. Galaxy of Terror

IMDB LogoIMDB Star
5.1/10
Rotten Tomatoes Logo33%
Reelgood Logo
46/100
Released: 1981Rated: R
Action & Adventure, Horror

What it's about: As a lone spaceship proceeds on its long voyage across space, the crew are surprised to encounter a strange pyramid form. Surprise turns to horror as one by one, they discover that their darkest nightmares are all starting to become real. The pyramid has to be behind it all somehow, but how can they save themselves from its influence?

Where to Watch: Available to stream on a popular subscription service (Prime Video, Cinemax & Shout Factory TV), stream on a popular TV everywhere service (Cinemax) & rent or buy from $2.99 on 4 services (iTunes, Google Play & 2 others).

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31. Species II

IMDB LogoIMDB Star
4.4/10
Rotten Tomatoes Logo9%
Reelgood Logo
44/100
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 watch free online (Tubi TV & Vudu), stream on a popular subscription service (Prime Video), stream on a popular TV everywhere service (Epix) & rent or buy from $2.99 on 4 services (iTunes, Prime Video & 2 others).

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32. There's Nothing Out There

IMDB LogoIMDB Star
5.8/10
Rotten Tomatoes LogoN/A
Reelgood Logo
43/100
Released: 1991
Comedy, Horror

What it's about: Seven teens head up to a cabin on the lake for spring break. Mike has studied all horror films on video, and recognizes the signs of foreshadowing of doom. The others dismiss his concerns as the workings of a person that watches too many videos, but there really is something out there, and the teens begin experiencing an attrition problem when they start stumbling into all the cliches found in a typical teen horror film.

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

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33. Meatball Machine

IMDB LogoIMDB Star
5.7/10
Rotten Tomatoes LogoN/A
Reelgood Logo
42/100
Released: 2005
Action & Adventure, Horror

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 TV), stream on a popular subscription service (Prime Video) & rent or buy from $3.99 on 4 services (iTunes, Google Play & 2 others).

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34. Galaxy of Horrors

IMDB LogoIMDB Star
4.7/10
Rotten Tomatoes LogoN/A
Reelgood Logo
42/100
Released: 2017
Horror, Science-Fiction

What it's about: Trapped in a damaged cryogenic pod, a man is forced to watch a series of horrific science-fiction tales while his life support systems run out. Featuring eight intense stories of the unknown and other-worldly, equally wonderful and terrifying. Visit the GALAXY OF HORRORS, if you dare! Curated from Rue Morgue & Unstable Ground's Little Terrors Festival.

Where to Watch: Available to watch free online (Tubi TV), 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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35. Evil Alien Conquerors

IMDB LogoIMDB Star
4.9/10
Rotten Tomatoes LogoN/A
Reelgood Logo
41/100
Released: 2003Rated: PG-13
Comedy, Science-Fiction

What it's about: Inept beings from the planet Kabijj land on Earth and attempt to behead all of its beings and take over the planet

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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36. Contamination

IMDB LogoIMDB Star
5.3/10
Rotten Tomatoes LogoN/A
Reelgood Logo
40/100
Released: 1980Rated: R
Action & Adventure, Independent

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 stream on a popular subscription service (Prime Video & Shudder), stream on a popular TV everywhere service (Epix) & rent or buy from $1.99 on 4 services (iTunes, Google Play & 2 others).

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37. The Answer

IMDB LogoIMDB Star
4.2/10
Rotten Tomatoes LogoN/A
Reelgood Logo
39/100
Released: 2015
Action & Adventure, Science-Fiction

What it's about: When mailman Bridd Takes his sexy date Charlotte home, they find their boss on the floor with a mail opener stuck in his chest. The assailants are also after Bridd and he has to use all his talents to foil an extra-terrestrial complot.

Where to Watch: Available to watch free online (Tubi TV), 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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38. The Brain

IMDB LogoIMDB Star
5.4/10
Rotten Tomatoes LogoN/A
Reelgood Logo
39/100
Released: 1988Rated: R
Horror, Science-Fiction

What it's about: Dr. Blake runs a TV show called "Independent Thinkers", which is sort of a Scientology-like self-help/religion program. But he's not making his audience think any more independently - with the help of an alien organism he calls The Brain, he's using brainwashing and mind control. The only thing that stands between them and world domination is a brilliant but troubled high school student with a penchant for pranks...

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

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39. Lily C.A.T.

IMDB LogoIMDB Star
6.2/10
Rotten Tomatoes LogoN/A
Reelgood Logo
39/100
Released: 1987
Animation, Horror

What it's about: A captain and his crew travel across the universe in a ship that can travel for 20 years while the crew will age only 1 year. Soon the crew realizes that a criminal is onboard who is hoping to escape civilization. The crew must find who the criminal is, and find the source of a deadly virus that is destroying them one by one

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

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40. Psycho Bettys from Planet Pussycat

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5.6/10
Rotten Tomatoes LogoN/A
Reelgood Logo
38/100
Released: 2011
Comedy, Musical

What it's about: Twenty years ago, a virus killed off all of the males on Planet Pussycat. Faced with inevitable extinction, Queen Betty of Pussycat hatched a plan to save her loyal subjects - the remaining population, known as Bettys. After receiving Earth's television signals, four chosen Bettys traveled to Earth in search of men for procreation or dismemberment.

Where to Watch: Available to stream on a popular subscription service (Prime Video) & rent or buy from $0.99 on 1 service (Prime Video).

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41. Zeta One

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4.0/10
Rotten Tomatoes LogoN/A
Reelgood Logo
38/100
Released: 1969Rated: R
Comedy, Cult

What it's about: Women around the globe begin disappearing when a renegade race of top-heavy aliens from the planet Angvia begin snatching them off the streets.

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

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42. Plan 9

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5.7/10
Rotten Tomatoes LogoN/A
Reelgood Logo
38/100
Released: 2015Rated: R
Horror, Science-Fiction

What it's about: Plan 9 is the story of Nilbog, a small town with a big story. The beginning of an invasion! However, instead of lasers, space ships, and epic force, these aliens have a different plan for the inhabitants of Earth. To resurrect their dead as their own army set with but one goal… To wipe out all mankind! Only the townsfolk on this Halloween night stand in the way of total domination. From the police department, to those trapped in a convenient store, and even those trying to stay alive in the streets, this night will decide the fates of all who walk the planet and thought they were the top of the food chain.

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

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43. Australien Skies

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5.0/10
Rotten Tomatoes LogoN/A
Reelgood Logo
38/100
Released: 2015Rated: PG
Documentary

What it's about: Australien Skies is a documentary film that explores the sightings of unidentified flying objects and the people who witness them within Australia.

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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44. In Search of Ancient Mysteries

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6.7/10
Rotten Tomatoes LogoN/A
Reelgood Logo
37/100
Released: 1974
Documentary

What it's about: An examination of mysteries of the ancient world and their connection to the possibility that aliens visited Earth.

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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45. H.G. Wells' War of the Worlds

IMDB LogoIMDB Star
3.3/10
Rotten Tomatoes LogoN/A
Reelgood Logo
37/100
Released: 2005Rated: R
Science-Fiction, Horror

What it's about: In this modern retelling of H.G. Wells' classic sci-fi horror, civilization is laid to ruin when a super race of aliens invades Earth. In a blink of an eye, massive "walkers" cover the planet, annihilating all in their path. As cities crumble and human flesh is ripped from the bone, one man struggles to find the one weapon that will turn the tide for mankind.

Where to Watch: Available to watch free online (Tubi TV & Vudu), stream on a popular subscription service (Prime Video & ConTV) & rent or buy from $0.99 on 3 services (Prime Video, Microsoft & PlayStation Store).

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46. Zone Troopers

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5.3/10
Rotten Tomatoes LogoN/A
Reelgood Logo
37/100
Released: 1985Rated: PG
Action & Adventure, Independent

What it's about: American soldiers, led by The Sarge, are stuck behind Nazi enemy lines. As they make their way across the Italian countryside, they come across an alien spaceship that has crash-landed in the woods. The alien pilot is dead, but one of the ship's passengers is on the loose. As the GIs hunt down the alien by splitting into smaller groups, they're not only tracked by the Nazis, but also a whole host of other aliens come to save their stranded party.

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

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47. 5th Passenger

IMDB LogoIMDB Star
3.1/10
Rotten Tomatoes LogoN/A
Reelgood Logo
36/100
Released: 2018Rated: PG
Science-Fiction, Thriller

What it's about: Set in the aftermath of an oppressive class war, a pregnant officer aboard an escape pod must struggle to survive with her remaining crew when a mysterious and vicious life form attacks, determined to become the dominant species.

Where to Watch: Available to stream on a popular subscription service (Prime Video) & rent or buy from $3.99 on 6 services (iTunes, Google Play & 4 others).

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48. Nibiru - Return of the Gods

IMDB LogoIMDB StarN/A
Rotten Tomatoes LogoN/A
Reelgood Logo
36/100
Released: 2014
Documentary

What it's about: A look at the impact of Annunaki on the earth

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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49. The Sighting