1. 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 6.511 on TMDB.
2. 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.
3. 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 7.5 on TMDB.
4. 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.
5. 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.
6. 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.
7. 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.
8. 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.
9. Impostor
A top-secret government weapons designer is arrested by a clandestine government organization on suspicion of being a clone created by the hostile alien race wanting to take over Earth.
It has an average vote of 6.103 on TMDB.
10. Into The Light
Self-help Guru, Dr. Carson travels to his new facility with eight young addicts with the aim of helping them through their troubles and integrating them back into society. Unfortunately for them society is about to be dismantled as a military force, not from this world, begins a hostile take-over.
It has an average vote of 5 on TMDB.
11. Dreamcatcher
Four boyhood pals perform a heroic act and are changed by the powers they gain in return. Years later, on a hunting trip in the Maine woods, they're overtaken by a vicious blizzard that harbors an ominous presence. Challenged to stop an alien force, the friends must first prevent the slaughter of innocent civilians by a military vigilante ... and then overcome a threat to the bond that unites the four of them.
It has an average vote of 5.616 on TMDB.
12. Xaver und sein außerirdischer Freund (Xaver und sein außerirdischer Freund)
(Xaver und sein außerirdischer Freund)
It has an average vote of 5.8 on TMDB.
13. GO GET THEM 0011!! (魔犬ライナー0011変身せよ!)
A boy named Tsutomu and four cyborg dogs fight against insect-type aliens from the Planet Devil.
It has an average vote of 6.8 on TMDB.
14. Yellow Belt Fury
After Sofia's husband is brutally murdered during a teresterrial invasion, she asks her local sensei to train her in the art of self-defense.
It has an average vote of 6 on TMDB.
15. Invasion of the Body Snatchers
A small-town doctor learns that the population of his community is being replaced by emotionless alien duplicates.
It has an average vote of 7.5 on TMDB.
16. 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 7.042 on TMDB.
17. 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 7.944 on TMDB.
18. CJ7 (長江七號)
A poor construction worker, who struggles to keep his son in private school, mistakes an orb he finds in a junkjard for a toy which proves to be much, much more once the young boy starts to play with it.
It has an average vote of 7.354 on TMDB.
19. Repo Man
A down and out young punk gets a job working with a seasoned repo man, but what awaits him in his new career is a series of outlandish adventures revolving around aliens, the CIA, and a most wanted '64 Chevy.
It has an average vote of 6.653 on TMDB.
20. Race to Witch Mountain
A taxi driver gets more than he bargained for when he picks up two teen runaways. Not only does the pair possess supernatural powers, but they're also trying desperately to escape people who have made them their targets.
It has an average vote of 5.813 on TMDB.