En un mundo diferente (1970)

Matthew Bennell notices that several of his friends are complaining that their close relatives are in some way different. When questioned later they themselves seem changed, as they deny everything or make lame excuses. As the invaders increase in number they become more open and Bennell, who has by now witnessed an attempted 'replacement', realises that he and his friends must escape or suffer the same fate.

Set in the future, the city of Shanghai battle to defend itself against an ongoing attack by an alien force that has attacked and laid siege to numerous cities around the globe in it's quest to harvest a hidden energy only found on earth.

Alien pods come to Earth and, naturally, start taking over Human Hosts. One such pod only manages to take over one human's, Shin Izumi, right arm. Together they grow and co-exist, all the while the other aliens are making meals of other humans; Shin feels he must put a stop to it all, but his alien, Migi, doesn't see why.

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.

Stranded at a summer camp when aliens attack the planet, four teens with nothing in common embark on a perilous mission to save the world.

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."

Four everyday suburban guys come together as an excuse to escape their humdrum lives one night a week. But when they accidentally discover that their town has become overrun with aliens posing as ordinary suburbanites, they have no choice but to save their neighborhood - and the world - from total extermination.

Ba'al travels back in time and prevents the Stargate program from being started. SG-1 must somehow restore history.

A team of elite commandos on a secret mission in a Central American jungle come to find themselves hunted by an extraterrestrial warrior.

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.

In 1979 Ohio, several youngsters are making a zombie movie with a Super-8 camera. In the midst of filming, the friends witness a horrifying train derailment and are lucky to escape with their lives. They soon discover that the catastrophe was no accident, as a series of unexplained events and disappearances soon follows. Deputy Jackson Lamb, the father of one of the kids, searches for the terrifying truth behind the crash.

A family living on a farm finds mysterious crop circles in their fields which suggests something more frightening to come.

Nearly a decade after occupation by an extraterrestrial force, the lives of a Chicago neighborhood on both sides of the conflict are explored. In a working-class Chicago neighborhood occupied by an alien force for nine years, increased surveillance and the restriction of civil rights have given rise to an authoritarian system -- and dissent among the populace.

When once distant UFOs become a terrifying threat attacking Earth, a Marine staff sergeant and his team take it upon themselves to face the enemy and protect what remains of the planet.

A stranger stumbles into the desert town of Absolution with no memory of his past and a futuristic shackle around his wrist. With the help of mysterious beauty Ella and the iron-fisted Colonel Dolarhyde, he finds himself leading an unlikely posse of cowboys, outlaws, and Apache warriors against a common enemy from beyond this world in an epic showdown for survival.

Washington, D.C. psychologist Carol Bennell and her colleague Dr. Ben Driscoll are the only two people on Earth who are aware of an epidemic running rampant through the city. They discover an alien virus aboard a crashed space shuttle that transforms anyone who comes into contact with it into unfeeling drones while they sleep. Carol realizes her son holds the key to stopping the spread of the plague and she races to find him before it is too late.

In Los Angeles at the turn of the 1970s, drug-fueled detective Larry "Doc" Sportello investigates the disappearance of an ex-girlfriend.

Major Bill Cage is an officer who has never seen a day of combat when he is unceremoniously demoted and dropped into combat. Cage is killed within minutes, managing to take an alpha alien down with him. He awakens back at the beginning of the same day and is forced to fight and die again... and again - as physical contact with the alien has thrown him into a time loop.

16-year-old Cassie Sullivan tries to survive in a world devastated by the waves of an alien invasion that has already decimated the population and knocked mankind back to the Stone Age.