Related Titles
Movies Like Alien 51
Find movies like Alien 51 using TMDB similarity plus Movie Rankings community context. Our top current pick is The Iron Giant. Browse 18 related titles with direct links to rankings, cast pages, and matchup data.
These picks blend TMDB similar-title seeds with Movie Rankings community ranking context.
Open Alien 51
Jump to the canonical movie page for ranking stats, credits, and deeper discovery paths.
See where to watch Alien 51
Check current US streaming, rental, and purchase options for Alien 51.
Compare Alien 51
Browse popular head-to-head ranking pages and jump into a matchup for Alien 51.
Language ranking
See how Alien 51 compares with other top-ranked English science fiction movies.
Best English Science Fiction Movies
Studio ranking
See where Alien 51 lands among the top-ranked movies associated with Urban Girl Productions.
Open best urban girl productions movies
Explore Language Rankings
The Iron Giant
Community rank #382 · 1999
In the small town of Rockwell, Maine in October 1957, a giant metal machine befriends a nine-year-old boy and ultimately finds its humanity by unselfishly saving people from their own fears and prejudices.
Alien: Romulus
2024
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.
Mission Galactica: The Cylon Attack
1979
A compilation of Battlestar Galactica episodes 10–12 and 21, with alternate footage. Running low on fuel, the Battlestar Galactica receives the help of the supposedly lost Battlestar Pegasus which is taking the offensive with the Cylons.
Starman
1984
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.
The Blob
1988
In Arborville, California, three high school students try to protect their hometown from a gelatinous alien life form that engulfs everything it touches.
Doctor Who: The Ark
1966
The Doctor and his companions Steven Taylor and Dodo Chaplet arrive some ten million years into the future, on board a generation starship which is carrying the last of humanity away from an Earth that is about to fall into the Sun. However, the cold that Dodo has could prove devastating to these future humans and their servants, the Monoids.
Prometheus
2012
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.
V/H/S/Beyond
2024
The infinite playground of forbidden worlds and dangerous lifeforms offered by the sci-fi horror genre will lead to the biggest, maddest, bloodiest V/H/S ever.
Critters
1986
Carnivorous aliens arrive unannounced at a Kansas family farm; two intergalactic bounty hunters soon follow, determined to blow them off the planet.
Outlander
2008
During the reign of the Vikings, a man from another world crash-lands on Earth, bringing with him an alien predator. The man must fuse his advanced technology with the weaponry of the vikings to fight the monster.
Monsters of Man
2020
A robotics company vying to win a lucrative military contract team up with a corrupt CIA agent to conduct an illegal live field test. They deploy four weaponized prototype robots into a suspected drug manufacturing camp in the Golden Triangle, assuming they'd be killing drug runners that no one would miss. Six doctors on a humanitarian mission witness the brutal slaughter and become prime targets.
Books of Blood
2020
A journey into uncharted and forbidden territory through three tales tangled in space and time.
Predator 2
1990
A police chief in the war-torn streets of Los Angeles discovers that an extraterrestrial creature is hunting down residents - and that he is the next target.
Monster Hunters
2020
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 secret branch of the government specializing in alien weaponry. But with the team untested in actual combat, the battle for Earth will be brutal.
Explorers
1985
Middle schooler Ben spends his free time watching sci-fi films, playing video games and reading comic books. Surprisingly, his affinity for all things fantastical yields a real result – when he has a vivid dream about technology, his prodigy best friend Wolfgang manages to create a working spacecraft. Joined by their buddy Darren, the boys take off into outer space and encounter some very odd extraterrestrial life.
Ick
2025
Science teacher Hank’s life changes when he reconnects with his first love and suspects that a new student may be his daughter—all while facing an alien threat in their town.
Splinter
2008
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 to a nearby gas station. Along the way, they encounter an increasingly terrifying horde of parasites, and if any of them intend to survive, they'll have to outsmart the deadly organisms.
Alien: Covenant
2017
The crew of the colony ship Covenant, bound for a remote planet on the far side of the galaxy, discovers what they think is an uncharted paradise but is actually a dark, dangerous world.
What are the best movies like Alien 51?
The Iron Giant is the strongest current recommendation on this page for viewers looking for movies like Alien 51.
How many recommendations are on the Alien 51 page?
This page currently lists 18 related titles for Alien 51.
How often does the Movies Like Alien 51 page update?
This page refreshes whenever Movie Rankings rebuilds the related-title view for Alien 51. It was last generated from site data on May 5, 2026.
Sources & freshness
Last refreshed from site data on May 5, 2026.