Best movies like En un mundo diferente

When odd reports are received through official channels stating that the President of the United States is being held captive on a secret international moon base called Vegan and that he has been replaced on Earth by a clone, the US Marshall Service immediately sends their 'best' man, Dix, on the mission.

Yogi Bear and Boo-Boo discover aliens who plan to conquer Earth.

Two years after the Martian invasion, George Herbert's worst fears are realized: The Aliens have returned. As a second wave of Martian walkers lay waste to what's left of Earth, an alliance of military forces prepares a daring attack on the Red Planet itself. Once again, the future of mankind hangs in the balance.

A highly-evolved planet, whose denizens feel no emotion and reproduce by cloning, plans to take over Earth from the inside by sending an operative, fashioned with a humming, mechanical penis, to impregnate an earthling and stay until the birth. The alien, Harold Anderson, goes to Phoenix as a banker and sets to work finding a mate. His approaches to women are inept, and the humming phallus doesn't help, but on the advice of a banking colleague, he cruises an AA meeting, meets Susan, and somehow convinces her to marry. The clock starts to tick: will she conceive, have a baby, and lose Harold (and the child) to his planet before he discovers emotion and starts to care?

An anemic alien comes to Earth from a dying planet, in the remake of the Corman 50s classic.

Jack Harper is one of the last few drone repairmen stationed on Earth. Part of a massive operation to extract vital resources after decades of war with a terrifying threat known as the Scavs, Jack’s mission is nearly complete. His existence is brought crashing down when he rescues a beautiful stranger from a downed spacecraft. Her arrival triggers a chain of events that forces him to question everything he knows and puts the fate of humanity in his hands.

In the year 3000, man is no match for the Psychlos, a greedy, manipulative race of aliens on a quest for ultimate profit. Led by the powerful Terl, the Psychlos are stripping Earth clean of its natural resources, using the broken remnants of humanity as slaves. What is left of the human race has descended into a near primitive state. After being captured, it is up to Tyler to save mankind.

On the same day that Tom Dunn finds out that he is to become a father again, the people of Earth become plagued with terrifying visions of the end of the world. When a gigantic, all-consuming alien mothership launches a ruthless attack, chaos and destruction follow. The ultimate war for Planet Earth is about to begin...

Crew members aboard a space ship encounter an alien life form intent on killing them.

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.

Thomas Jerome Newton is an alien who has come to Earth in search of water to save his home planet. Aided by lawyer Oliver Farnsworth, Thomas uses his knowledge of advanced technology to create profitable inventions. While developing a method to transport water, Thomas meets Mary-Lou, a quiet hotel clerk, and begins to fall in love with her. Just as he is ready to leave Earth, Thomas is intercepted by the U.S. government, and his entire plan is threatened.

After landing on a mysterious planet, a team of astronauts begin to turn on each other, swayed by the uncertain influence of the planet and its strange inhabitants.

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

A representative of an alien race that went through drastic evolution to survive its own climate change, Klaatu comes to Earth to assess whether humanity can prevent the environmental damage they have inflicted on their own planet. When barred from speaking to the United Nations, he decides humankind shall be exterminated so the planet can survive.

A government agent stumbles upon an alien conspiracy to conquer Earth. Using a blue liquid created by the aliens to make soldiers stronger, he becomes The Prototype-the only hope for mankind.

Three aliens from the planet Taros land on Earth and are befriended by a Wyoming rancher's son.

ZIM discovers his almighty leaders never had any intention of coming to Earth and he loses confidence in himself for the first time in his life, which is the big break his human nemesis, Dib has been waiting for.

While watching for a planet that may collide with earth, scientists stationed in Scotland are approached by a visitor from outer space.

When Earth astronaut Capt. Chuck Baker arrives on Planet 51 -- a world reminiscent of American suburbia circa 1950 -- he tries to avoid capture, recover his spaceship and make it home safely, all with the help of an empathetic little green being.

En route to the honeymoon of William Riker to Deanna Troi on her home planet of Betazed, Captain Jean-Luc Picard and the crew of the U.S.S. Enterprise receives word from Starfleet that a coup has resulted in the installation of a new Romulan political leader, Shinzon, who claims to seek peace with the human-backed United Federation of Planets. Once in enemy territory, the captain and his crew make a startling discovery: Shinzon is human, a slave from the Romulan sister planet of Remus, and has a secret, shocking relationship to Picard himself.

A young alien falls for a pretty teenage Earth girl and they team up to try to stop the plans of his invading cohorts, who intend to use Earth as a food-breeding ground for giant lobsters from their planet.

Feature version of the 1938 film serial FLASH GORDON'S TRIP TO MARS. Flash Gordon fights Ming the Merciless once again to ensure the survival of the Earth.

Plan 9 is the story of Nilbog, a small town with a big story. The beginning of an invasion! However, instead of lasers, space ships, and epic force, these aliens have a different plan for the inhabitants of Earth. To resurrect their dead as their own army set with but one goal… To wipe out all mankind! Only the townsfolk on this Halloween night stand in the way of total domination. From the police department, to those trapped in a convenient store, and even those trying to stay alive in the streets, this night will decide the fates of all who walk the planet and thought they were the top of the food chain.

Space miners sent to stop a moon's collision course with the earth discover a hibernating creature that soon revives and starts slaughtering the mining crew.

A group of aliens arrive on Earth as part of an advance invasion force. Their mission is to kidnap a small sample of humans and run them through a series of rigorous tests to determine if they would make suitable slaves. Harper, one of the alien experimenters, has become frustrated with her planet's endless cycle of conquest and extermination and begins to feel some sympathy for her human captives. While the prisoners see a glimmer of hope in the compassionate alien, will it be any use in stopping the enormous attack fleet just a few days from Earth?

Earth's position in the universe has become of vital strategic importance to those who have, until now, only studied us from the far reaches of space. Knowing our weaknesses, they have planned their attack, and now, in just 5 days, life on Earth will change forever. Robert Casey, a retired US Intelligence agent turned UFO investigator, races to discover the truth about the Dominion and what it has in store for the human race. Time is running out...

A crack test pilot lands to find the planet has been devastated by unknown forces. There are a few survivors, so he organizes them in a plan to ward off control by a group of killer robots.

Confirmation of extraterrestrial life appears on television screens across the world as a massive spacecraft breaks through the atmosphere on a crash course into the Atlantic Ocean. A young paramedic, Greg Baker, signs up to fight for his planet against the invaders. Baker joins Special Forces members as the squad medic as they escort a classified package by chopper over enemy territory. When their chopper is shot down they find themselves surrounded and outnumbered. Desperate to return to his wife's side and haunted by nightmares, Baker find that his role in the war has quickly become much larger than he could have ever imagined. The mysterious package may be the key to turning the tide of the war, and possibly to saving all of humanity, but Baker must decide whether to protect it or sacrifice it to ensure his own survival.

250 million years ago, a carnivorous species 'planted' a crop of humans on an uninhabited planet known as Earth. Now, the alien life form has returned to harvest its yield. With total destruction looming just moments away, a futuristic warrior and a prophetic mental patient join forces against the creatures, but with mortal weapons no match for the superior alien technology, the duo's only hope for victory lies in finding a 250 million year-old spaceship known as Laserhawk. The future of the world depends on it.

In the future, mental institutions are located on far-away planets. One such planet is the apex for an invasion of Earth by rodent-like aliens. It is up to a band of intrepid mental patients to thwart their evil schemes.

Juan arrives in Madrid with the intention of succeeding as a singer. With the only company of his guitar, he goes from club to club asking for work.

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

Aliens invade Earth after the capture of two Extra-terrestrials by the American military.

The year: 3037. Earth is at war with aliens called Mendax, who have remarkable mental abilities and are determined to wipe out humankind. In retaliation, a military team is sent to the Mendax homeworld. Their mission: To deliver the Devorga Strain, a powerful virus engineered to attack the Mendax immune system, exterminating them from their planet. One of the team members is terribly injured when their ship crash lands on the Mendax homeworld. Will they leave a member of their team behind, or risk being slowed by the burden? When the secret of Homeworld is discovered, they must find the truth within themselves or all is lost. But how can you learn the truth when everything you see and feel may be an illusion?

Alberto Oliver, an unsuccessful pulp novelist, is attacked by alien mutants when he comes back from visiting his lover Carol. Soon he finds himself chased by a flying saucer that tries to abduct him and take him to a distant planet in an anti-matter galaxy.