Martians replace scientist & his family to pave way for invasion.

Aliens (1986)
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.

Contact (1997)
A radio astronomer receives the first extraterrestrial radio signal ever picked up on Earth. As the world powers scramble to decipher the message and decide upon a course of action, she must make some difficult decisions between her beliefs, the truth, and reality.

Gattaca (1997)
Vincent is an all-too-human man who dares to defy a system obsessed with genetic perfection. He is an "In-Valid" who assumes the identity of a member of the genetic elite to pursue his goal of traveling into space with the Gattaca Aerospace Corporation.

Silent Running (1972)
After the entire flora goes extinct, ecologist Lowell maintains a greenhouse aboard a space station for the future with his android companions. However, he rebels after being ordered to destroy the greenhouse in favor of carrying cargo, a decision that puts him at odds with everyone but his mechanical companions.

Forbidden Planet (1956)
Starship C57D travels to planet Altair 4 in search of the crew of spaceship "Bellerophon," a scientific expedition that has been missing for twenty years. They find themselves unwelcome by the expedition's lone survivor and warned of destruction by an invisible force if they don't turn back immediately.

This Island Earth (1955)
Aliens have landed and are hiding on Earth, but need Earth’s scientists to help them fight an inter-planetary war.

Total Recall (1990)
Construction worker Douglas Quaid's obsession with the planet Mars leads him to visit Recall, a company that manufactures memories. When his memory implant goes wrong, Doug can no longer be sure what is and isn't reality.

The Mysterians (1957)
In Japan, scientifically advanced invaders from the war-destroyed planet Mysteroid cause an entire village to vanish, then send a giant robot out to storm the city by night, after which they request a small patch of land on Earth and the right to marry earthling women, claiming to be pacifists. Mankind must decide whether to capitulate or to resist.

Kronos (1957)
Scientists investigate a huge meteor that crashes into the ocean off Mexico, and encounter a skyscraper-tall, mobile machine which is designed to syphon energy from earth, including any energy directed at it in an effort to destroy it.

Flight to Mars (1951)
Four scientists and a newsman crash land on Mars and meet martians who act friendly.

The H-Man (1958)
When a narcotics deal goes sour and a suspect disappears, leaving only his clothes, Tokyo police question his wife and stake out the nightclub where she works.

I Married a Monster from Outer Space (1958)
Aliens from Outer Space are slowly switching places with real humans -- one of the first being a young man about to get married. Slowly, his new wife realizes something is wrong, and her suspicions are confirmed when her husband's odd behaviour begins to show up in other townspeople.

Missile to the Moon (1958)
Two escaped convicts are found hiding in a rocketship built by a renegade inventor, who forces them to become the crew for a trip to the Moon. Also on board, as inadvertent stowaways, are his assistant and his secretary; and none of them are aware that the inventor is actually a Lunarian explorer sent to Earth by the dying Lunar civilization and the only remaining male member of that civilization.

Queen of Outer Space (1958)
A mission to Venus discovers the planet inhabited only by women led by their evil Queen Yllana. Yllana had all the men of Venus killed, now that's she met Earth men, she wants them dead, too.

Wing Commander (1999)
In the mid-27th century, the Terran Confederation is at war with the vicious alien Kilrathi Empire. When the Kilrathi capture a crucial navigational device that could lead them to Earth, the Confederation’s only hope rests with a small group of young fighter pilots. Lieutenant Christopher Blair, along with his wingman Todd 'Maniac' Marshall and Commander Jeanette 'Angel' Deveraux, must intercept the alien fleet and prevent the destruction of mankind. Battling overwhelming odds and racing against time, they face not only external threats but also inner fears and rivalries as they fight to save Earth from annihilation.

Alien Xmas (2020)
A young elf mistakes a tiny alien for a Christmas gift, not knowing her new plaything has plans to destroy Earth's gravity — and steal all the presents.

Critters 2 (1988)
Three bounty hunters from space fly back to the town of Grovers Bend, hoping to save local residents from a new batch of Critter eggs.

Alien Nation (1988)
A few years from now, Earth will have the first contact with an alien civilization. These aliens, known as Newcomers, slowly begin to be integrated into human society after years of quarantine.

The Lawnmower Man (1992)
A simple man is turned into a genius through the application of computer science.

The Island of the Dinosaurs (1967)
A group of scientists in search of lost Atlantis are plane wrecked on an uncharted island full of stock footage monsters fresh from One Million BC. Occasionally we get an original papier mache monster peaking out from behind an alcove, but for the most part this is typical Mexican filmmaking for the period. With Armond Silvestre and Alma Delia Fuentes.