Movies Like The Alien Conspiracy: Grey Skies

If you liked The Alien Conspiracy: Grey Skies (2003), a science fiction and horror movie directed by Tom Nondorf and Les Sekely, here are 20 movies with a similar feel, based on TMDB's recommendations. Each one links to its cast, trailer and where it's streaming.

1
Blood and Snow (2023)
★ 6.2/10Also science fiction and horror
When researchers rescue a fellow scientist who survived a meteorite strike in the Arctic, they discover she may not be who they think she is. Is she some-how changed?
2
Mass Effect: Paragon Lost (2012)
★ 6.2/10Also science fiction
An untold chapter in the Mass Effect saga, following the early career of Alliance Marine, James Vega, as he leads a squad of elite special forces into battle against a mysterious alien threat known as The Collectors…
3
Monster Hunters (2020)
★ 6.2/10Also science fiction and horror
When an alien prison ship crash lands and unleashes creature after creature in the California desert, they make quick work of the army that tries to stop them. Now, the only hope of stopping the aliens rests with a…
4
Osiris (2025)
★ 6.2/10Also science fiction and horror
Special Forces commandos on a mission are abducted mid-operation by a mysterious spacecraft. Upon waking aboard, they find themselves prey to a relentless alien race in a fight for survival.
5
Alien: Romulus (2024)
★ 7.2/10Also horror and science fiction
While scavenging the deep ends of a derelict space station, a group of young space colonizers come face to face with the most terrifying life form in the universe.
6
Prometheus (2012)
★ 6.6/10Also science fiction and horror
A team of explorers discover a clue to the origins of mankind on Earth, leading them on a journey to the darkest corners of the universe. There, they must fight a terrifying battle to save the future of the human race.
7
Margaux (2022)
★ 5.9/10Also horror and science fiction
As a group of seniors celebrate their final college days at a smart house, the house's highly advanced AI system, Margaux, begins to take on a deadly presence of her own. A carefree weekend of partying turns into a…
8
Die Alone (2024)
★ 6.5/10Also horror and science fiction
Lost in a world reclaimed by nature and overrun by mysterious creatures, Ethan, a young man with amnesia navigates the dangerous landscape in search of his lost love Emma. His journey takes an unexpected turn when he…
9
Occupation: Rainfall (2020)
★ 6.2/10Also science fiction
Two years into an intergalactic invasion of Earth, survivors in Sydney, Australia, fight back in a desperate ground war. As casualties mount by the day, the resistance and their unexpected allies, uncover a plot that…
10
Extinction (2015)
★ 6.4/10Also horror and science fiction
And suddenly, overnight, the world came to a halt. Two men, two survivors, one kid, and hatred that separates them. A place forgotten by everyone, including the creatures that inhabit the Earth... until now.
11
Splinter (2008)
★ 6.2/10Also horror and science fiction
When their plans for a nature trip go awry, Polly and boyfriend Seth decide to check into a motel. On their way, they're carjacked and kidnapped by low-rent crooks Dennis and Lacey, who take the victims and their SUV…
12
Books of Blood (2020)
★ 6.2/10Also horror and science fiction
A journey into uncharted and forbidden territory through three tales tangled in space and time.
13
Slash/Back (2022)
★ 6.4/10Also science fiction and horror
In a remote Arctic community, a group of Inuit girls fight off an alien invasion, all while trying to make it to the coolest party in town.
14
Dark Light (2019)
★ 6.2/10Also horror and science fiction
A woman returns to her family home and discovers it to be inhabited by monsters.
15
Screamers (1995)
★ 6.3/10Also horror and science fiction
SIRIUS 6B, Year 2078. On a distant mining planet ravaged by a decade of war, scientists have created the perfect weapon: a blade-wielding, self-replicating race of killing devices known as Screamers designed for one…
16
Babylon 5: The Legend of the Rangers - To Live and Die in Starlight (2002)
★ 6/10Also science fiction
After being punished for retreat from combat, Ranger David Martel is given command of the Liandra, a haunted 20-year old Minbari fighting ship. He's escorting ambassadors to a secret archaeological site, the oldest…
17
The Return (2020)
★ 6.7/10Also horror and science fiction
After the death of his father, a brilliant college student returns to his family home where he learns that the horrors from his childhood aren't as dead and gone as he once thought.
18
Babylon 5: A Call to Arms (1999)
★ 6.9/10Also science fiction
Allies of the Shadows seek revenge against humanity. This movie sets up the series, "Crusade," the sequel to "Babylon 5."
19
The Earth Dies Screaming (1964)
★ 6.2/10Also horror and science fiction
A crack test pilot lands to find the planet has been devastated by unknown forces. There are a few survivors, so he organizes them in a plan to ward off control by a group of killer robots.
20
Spectral (2016)
★ 6.6/10Also science fiction
A special-ops team is dispatched to fight supernatural beings that have taken over a European city.