Best Alien On Earth Movies & TV Shows

A group of allied intelligence agents discover that extraterrestrial beings arrived on Earth centuries ago and have been thriving through the exploitation of humans. Believed to be the origins of many of the creatures humans know from myth, folklore and legends, including vampires and werewolves, the group discovers that these aliens have now formed a sinister cadre bent on taking over the world for themselves. In response, the agents form a top-secret multinational agency known as The Global Alliance, charged with protecting the world from the alien threat and keeping it a secret from the public at any cost.

After saving the universe, Steven is still at it, tying up every loose end. As he runs out of other people's problems to solve, he'll finally have to face his own.

A boy's superhero dreams come true when he finds five powerful cosmic stones. But saving the day is harder than he imagined — and he can't do it alone.

Crash-landed alien Harry takes on the identity of a small-town Colorado doctor. Arriving with a secret mission, he starts off living a simple life…but things get a bit rocky when he’s roped into solving a local murder and realizes he needs to assimilate into his new world. As he does, he begins to wrestle with the moral dilemma of his mission and asking the big life questions like: “Are human beings worth saving?” and “Why do they fold their pizza before eating it?”

A family of aliens from a much better world must take refuge in middle America after the destruction of their planet. Their mission: protect the Pupa, a living super computer that will one day evolve into its true form, consume them and terraform the Earth.

A furry alien wiseguy comes to live with a terran family after crashing into their garage.

The Doctor, a time-traveling alien explorer, is sent by his people, the Time Lords, to liberate a small town in England from the tyrannical rule of a race of alien lava creatures called the Shalka.

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.

Author & amateur astronomer John Putnam and schoolteacher Ellen Fields witness an enormous meteorite come down near a small town in Arizona, but Putnam becomes a local object of scorn when, after examining the object up close, he announces that it is a spacecraft, and that it is inhabited...

Newspaper reporter Tim O'Hara finds a crashed alien spaceship that contains one live alien. Not wanting to be discovered by the authorities, the Martian assumes the identity of Tim's Uncle Martin and begins to repair his spaceship so that he can return to Mars.

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 family's new satellite TV system starts receiving signals from another planet, and soon it becomes the passageway to an alien world.

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...

A Martian teenager sent to prepare for an invasion falls in love with an Earth girl.

Aliens land in the mythical town of "Speelburgh, U.S.A" searching for the source of rock & roll. What they find is a gang of teenagers, led by Dee Dee and Frankie, along with Frankie's posse/rock band, the Pack. The leader of the aliens takes a shine to Dee Dee and all sorts of trouble breaks out.

An otherwordly perpetrator has been attacking female virgins in Manhattan. As Dr. Pace and Detective Andriotti work together to identify the strange organic materials found on the women, the victims begin arising in a trance and leaving the hospital.

Xena, Luna, and Sola leave Malibu but return to earth unexpectedly when Xena sneezes and crash lands them on a desert isle. After being threatened by dinosaurs and having a few close encounters with some primitive stud muffins, they tangle with the evil James T. Renford II, who has some sinister profit-making plans for the babes from space.

The second in-name-only sequel to the first Meatballs summer camp movie sets us at Camp Sasquash where the owner Giddy tries to keep his camp open after it's threatened with foreclosure after Hershey, the militant owner of Camp Patton located just across the lake, wants to buy the entire lake area to expand Camp Patton. Giddy suggests settling the issue with the traditional end-of-the-summer boxing match over rights to the lake. Meanwhile, a tough, inner city punk, nicknamed Flash, is at Camp Sasquash for community service as a counselor-in-training where he sets his sights on the naive and intellectual Cheryl, while Flash's young charges befriend an alien, whom they name Meathead, also staying at the camp for the summer.

The alien criminal from the first movie is dead, but he left a few eggs which are hatching now. The good alien, who still inhabits Tom Beck's body, has been waiting just in case this happened. Unfortunately, his presence in the body has taken a terrible toll on it, draining it of life energy. Additionally relations with Beck's daughter Juliet (now a cop) have deteriorated. But when the killing starts again, they will need to work together to stop the new generation of aliens.

An intergalactic babe borrows her dad's T-bird ship to do a little planet hopping with her two friends, but they run out of fuel unexpectedly, and must land on earth. They land on the California coast and run into some guys, where they have fun and a few close encounters at the beach. One of the guys' Uncle Bud, who just wants to meditate and hang out, is being threatened with condemnation of his beach house unless he puts some money into repairs. The alien babes offer to enter the bikini contest with their way-out designs to try and win the money he needs, but they are hampered by the garment designer who will stop at nothing to win.

Two aliens come to Earth to find their missing comrade from the first movie.

Follow the adventures of Dorg, a normal teen, living in the very normal town of Normill. That is, until he befriends several paranormal characters (a cool unicorn, an ancient witch and an eerie ghost). They are all escapees from Area 52 and in desperate need of help and refuge. To have them blend in with the citizens of Normill, Dorg disguises them as teenagers and hides them in the basement in the local shopping mall. With his new best friends attempting to help navigate life's challenges, Dorg's world just got a whole lot less normal and a lot more fun.