1. K-PAX
Prot is a patient at a mental hospital who claims to be from a far away planet. His psychiatrist tries to help him, only to begin to doubt his own explanations.
It has an average vote of 7.198 on TMDB.
2. Predator 2
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.
It has an average vote of 6.28 on TMDB.
3. Star Trek: Insurrection
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.
It has an average vote of 6.438 on TMDB.
4. War of the Worlds
Ray Ferrier is a divorced dockworker and less-than-perfect father. Soon after his ex-wife and her new husband drop off his teenage son and young daughter for a rare weekend visit, a strange and powerful lightning storm touches down.
It has an average vote of 6.512 on TMDB.
5. Mars Attacks!
A fleet of Martian spacecraft surrounds the world's major cities and all of humanity waits to see if the extraterrestrial visitors have, as they claim, "come in peace." U.S. President James Dale receives assurance from science professor Donald Kessler that the Martians' mission is a friendly one. But when a peaceful exchange ends in the total annihilation of the U.S. Congress, military men call for a full-scale nuclear retaliation.
It has an average vote of 6.406 on TMDB.
6. Predator
A team of elite commandos on a secret mission in a Central American jungle come to find themselves hunted by an extraterrestrial warrior.
It has an average vote of 7.533 on TMDB.
7. Alien
During its return to the earth, commercial spaceship Nostromo intercepts a distress signal from a distant planet. When a three-member team of the crew discovers a chamber containing thousands of eggs on the planet, a creature inside one of the eggs attacks an explorer. The entire crew is unaware of the impending nightmare set to descend upon them when the alien parasite planted inside its unfortunate host is birthed.
It has an average vote of 8.156 on TMDB.
8. AVP: Alien vs. Predator
When scientists discover something near Antarctica that appears to be a buried Pyramid, they send a research team out to investigate. Little do they know that they are about to step into a hunting ground where Aliens are grown as sport for the Predator race.
It has an average vote of 5.916 on TMDB.
9. The Passenger (La pasajera)
Four people traveling in a van run over a lone woman while she is walking in the dark down a country road. After loading her into the vehicle to take her to the nearest hospital, they notice that she is behaving rather strangely. The occupants of the van soon realise that the time has come to fight for their lives, and together they agree on one very simple rule: "do not sit next to her."
It has an average vote of 5.814 on TMDB.
10. A.I. Artificial Intelligence
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.
It has an average vote of 7.043 on TMDB.
11. Aliens
Ripley, the sole survivor of the Nostromo's deadly encounter with the monstrous Alien, returns to Earth after drifting through space in hypersleep for 57 years. Although her story is initially met with skepticism, she agrees to accompany a team of Colonial Marines back to LV-426.
It has an average vote of 7.943 on TMDB.
12. E.T. the Extra-Terrestrial
An alien is left behind on Earth and saved by the 10-year-old Elliot who decides to keep him hidden in his home. While a task force hunts for the extra-terrestrial, Elliot, his brother, and his little sister Gertie form an emotional bond with their new friend, and try to help him find his way home.
It has an average vote of 7.518 on TMDB.
13. Independence Day
Strange phenomena surface around the globe. The skies ignite. Terror races through the world's major cities. As these extraordinary events unfold, it becomes increasingly clear that a force of incredible magnitude has arrived. Its mission: total annihilation over the Fourth of July weekend. The last hope to stop the destruction is an unlikely group of people united by fate and unimaginable circumstances.
It has an average vote of 6.886 on TMDB.
14. Men in Black
After a police chase with an otherworldly being, a New York City cop is recruited as an agent in a top-secret organization established to monitor and police alien activity on Earth: the Men in Black. Agent K and new recruit Agent J find themselves in the middle of a deadly plot by an intergalactic terrorist who has arrived on Earth to assassinate two ambassadors from opposing galaxies.
It has an average vote of 7.199 on TMDB.
15. Men in Black II
Kay and Jay reunite to provide our best, last and only line of defense against a sinister seductress who levels the toughest challenge yet to the MIB's untarnished mission statement – protecting Earth from the scum of the universe. It's been four years since the alien-seeking agents averted an intergalactic disaster of epic proportions. Now it's a race against the clock as Jay must convince Kay – who not only has absolutely no memory of his time spent with the MIB, but is also the only living person left with the expertise to save the galaxy – to reunite with the MIB before the earth submits to ultimate destruction.
It has an average vote of 6.368 on TMDB.
16. Home
When Earth is taken over by the overly-confident Boov, an alien race in search of a new place to call home, all humans are promptly relocated, while all Boov get busy reorganizing the planet. But when one resourceful girl, Tip, manages to avoid capture, she finds herself the accidental accomplice of a banished Boov named Oh. The two fugitives realize there’s a lot more at stake than intergalactic relations as they embark on the road trip of a lifetime.
It has an average vote of 6.799 on TMDB.
17. Sampson vs The Supreme Dictator From Outer Space
Rappytor, The Supreme Dictator, comes to Earth to take over the world and there's only one man who can stop him. That man is Sampson, The Masked Grappler.
It has an average vote of 5 on TMDB.
18. This Island Earth
Aliens have landed and are hiding on Earth, but need Earth’s scientists to help them fight an inter-planetary war.
It has an average vote of 6 on TMDB.
19. Close Encounters of the Third Kind
After an encounter with UFOs, an electricity linesman feels undeniably drawn to an isolated area in the wilderness where something spectacular is about to happen.
It has an average vote of 7.354 on TMDB.
20. Black Daruma
All filmed from the warped perspective of a doll, Black Daruma is a dark-humoured psychological horror film about an unemployed man who buys a Japanese 'luck doll' to improve his fortunes, only for his life to unravel in disturbing ways.
