ListSimilar.

1. Attack from Space (Attack from Space)

The superhero Starman is sent by the Emerald Planet to protect Earth from belligerent aliens from the Sapphire Galaxy. The Sapphireans kidnap Dr. Yamanaka and force him to use his spaceship against the Earth.

It has an average vote of 4.778 on TMDB.

2. Science Friction

A haphazard party-ride to Mexico evolves into an enigma with a fugitive alien at the helm.

It has an average vote of 2 on TMDB.

3. Encounter

A decorated Marine goes on a rescue mission to save his two young sons from an unhuman threat. As their journey takes them in increasingly dangerous directions, the boys will need to leave their childhoods behind.

It has an average vote of 6.346 on TMDB.

4. The Blackout (Аванпост)

Contact between most towns on Earth has been severed. A small ring-like area in Eastern Europe still has electricity, and maybe even life is being reported from space. What military forces find outside the ring is shocking.

It has an average vote of 6.481 on TMDB.

5. The Avengers

When an unexpected enemy emerges and threatens global safety and security, Nick Fury, director of the international peacekeeping agency known as S.H.I.E.L.D., finds himself in need of a team to pull the world back from the brink of disaster. Spanning the globe, a daring recruitment effort begins!

It has an average vote of 7.716 on TMDB.

6. Ultraman Decker Finale: Journey to Beyond (ウルトラマンデッカー最終章 旅立ちの彼方へ…)

When GUTS-Select investigate mysterious disappearances, they learn it is work of an evil alien who intends to invade the Earth, called Professor Gibellus. However, just in time, a mysterious woman appears to help GUTS-Select.

It has an average vote of 4.611 on TMDB.

7. 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 7.469 on TMDB.

8. Invasion of the Body Snatchers

The residents of San Francisco are becoming drone-like shadows of their former selves, and as the phenomenon spreads, two Department of Health workers uncover the horrifying truth.

It has an average vote of 7.209 on TMDB.

9. Casulos (Casulos)

She just wanted to relax, but something coming from far away destroyed her plans.

10. Planets Around Us (I pianeti contro di noi)

An alien race sends cyborgs — made to look like the son of a famous scientist, whom they killed when he landed on their planet — to Earth to help pave the way for an invasion.

It has an average vote of 3 on TMDB.

11. The Hitchhiker's Guide to the Galaxy

Mere seconds before the Earth is to be demolished by an alien construction crew, Arthur Dent is swept off the planet by his friend Ford Prefect, a researcher penning a new edition of "The Hitchhiker's Guide to the Galaxy."

It has an average vote of 6.67 on TMDB.

12. They Live

A lone drifter stumbles upon a harrowing discovery -- a unique pair of sunglasses that reveals that aliens are systematically gaining control of the Earth by masquerading as humans and lulling the public into submission.

It has an average vote of 7.291 on TMDB.

13. Evil Alien Conquerors

Inept beings from the planet Kabijj land on Earth and attempt to behead all of its beings and take over the planet

It has an average vote of 5.4 on TMDB.

14. 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 6.1 on TMDB.

15. Howard the Duck

A scientific experiment unknowingly brings extraterrestrial life forms to the Earth through a laser beam. First is the cigar smoking drake Howard from the duck's planet. A few kids try to keep him from the greedy scientists and help him back to his planet. But then a much less friendly being arrives through the beam...

It has an average vote of 5.389 on TMDB.

16. Plan 9 from Outer Space

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.

It has an average vote of 4.189 on TMDB.

17. The Gendarme and the Creatures from Outer Space (Le Gendarme et les Extra-terrestres)

The bungling inspector Cruchot finds himself trying to save the residents of St. Tropez from some oil-drinking humanoid aliens. The only way to tell the aliens from the real people, besides their constant thirst for oil-products, is that they sound like empty garbage cans when you touch them. Chaos is ahead.

It has an average vote of 6.1 on TMDB.

18. The Thing from Another World

Scientists and US Air Force officials fend off a blood-thirsty alien organism while investigating at a remote arctic outpost.

It has an average vote of 6.724 on TMDB.

19. The Great Martian War 1913–1917

Documentary-drama recounting the Martian War of 1913–1917. Europe was on tenterhooks in the 2nd decade of the 20th century, everyone was expecting a Great War between the major European powers. But then, in 1913, something crashed into the forests of SW Germany. Troops were sent to investigate but were wiped out. Martian fighting machines began making their way across Western Europe and the countries of Europe combined forces to resist them. With aspects taken from ‘The War of the Worlds’ by H.G. Wells and from WWI itself, this dramatisation presents a documentary style look at events as they unfolded and the effect they had of our world today. Lots of references to real events including the mass attacks and defeats as men were thrown against machines on the Western front, the Christmas truce and the Angel of Mons, America's isolationism and late entry into the conflict, the worldwide Spanish flu epidemic that killed more people than the war, and many other things.

It has an average vote of 6.4 on TMDB.

20. Outlander

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.

It has an average vote of 6.437 on TMDB.