Best movies like Not of This Earth

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.

A misguided scientist enables an alien from Venus named Zontar to come to earth in order to "help solve man's problems". However, as soon as Zontar arrives on Earth, it quickly becomes obvious that the three-eyed, bat-winged, skeletal black creature has a hidden agenda.

An alien arrives on Earth looking to take human blood in an attempt to preserve his dying planet.

A spaceship is sent to Mars after a alien distress signal is picked up. They find one survivor, but when a crew member is found drained of blood it's evident they have rescued a bloodsucking monster.

An astronaut doctor Ivan Hood and his fellow astronaut Kelly return from their mission in space to find the world has been taken over by aliens. Now Dr. Ivan Hood and Kelly must lead a revolution to free the human slaves from their alien masters.

An old man, who has been near a fallen meteor, starts to get younger and younger, with a terrible thirst for blood.

Aliens punish one of their own by sending him to earth. The alien is very violent, and when the body he occupies is damaged, he is forced to find another.

A black hole hits North Wisconsin and opens a door to other dimensions. Giant 15 meter spiders emerge from it, who have an appetite for human flesh! Dr. Jenny Langer and Dr. Vance from NASA try to save the world.

Just before bounty hunter Charile triggers his gun to destroy the last two Critter-eggs, he gets a message that it would be illegal to extinguish the race from the galaxy. He's sent a transporter where he puts the eggs - unfortunately the transporter takes him with it and then gets lost in space.

After Los Angeles is invaded by an army of subterranean monsters, a small group of people must fight for survival in the deserted metropolis.

Secretly engineered and blasted into space by government scientists, a vile monster crash-lands back on Earth and begins killing everyone it encounters. As the death toll rises, veteran cop McLemore bravely steps forward to crush the scary creature.

Two aliens arrive on Earth trying to kill each other. This is not easy, since they seem to be able to regenerate lost body parts and survive bullet wounds. Both of them happen to meet a young pathologist Dori Caisson, and each alien tells her that he is a peacemaker (an intergalactic cop) and that the other one is a bad guy. Whom can she trust?

A newlywed sheriff tries to stop a shambling monster that has emerged from a spaceship to eat people.

Doctor Who and his companions are hurled into the future and make a horrifying discovery: the Daleks have conquered Earth! The metal fiends have devastated entire continents and turned the survivors into Robomen.

A space shuttle mission investigating Halley's Comet brings back a malevolent race of space vampires who transform most of London's population into zombies. The only survivor of the expedition and British authorities attempt to capture a mysterious but beautiful alien woman who appears responsible.

A psychic father and daughter band together with an "angel" in an attempt to save Earth from an extraterrestrial Armageddon. This suspenseful thriller ties together strange occurrences from 1965 in the Bermuda Triangle (where an American fighter pilot supposedly encountered a spaceship) and government hush-up conspiracies.

Charlie's ex-wife disappears, and he goes to where she grew up--a rural town in the midwest--to look for her. But, surprisingly, nobody knows about her or any of her many relatives, the Newmans. He meets aliens; but when he contacts the FBI, they don't believe him. He tells his story to a tabloid; and suddenly, he is chased by the aliens.

In this remake of the classic 50s SF tale, a boy tries to stop an invasion of his town by aliens who take over the the minds of his parents, his least-liked schoolteacher and other townspeople. With the aid of the school nurse the boy enlists the aid of the U.S. Marines.

Paul Dean has created a deadly parasite that is now attached to his stomach. He and his female companion, Patricia Welles, must find a way to destroy it while also trying to avoid Ricus, his rednecks, and an evil government agent named Merchant.

In a small Oregon town, mysterious crop circles have begun appearing in Joe's corn fields. When Joe's cousin, his five college friends and local Sheriff Willingham happen upon the otherworldly designs, they unleash unfathomable terror.

Since the 1940's alien beings known as "GRAYS" have been sighted around the globe with the thought that they visit our planet to study our species and civilization before they eventually invade...but what if we're wrong? What if they are only here to protect us? After a meteorite crashes to earth awakening the extraterrestrial creature within, a young woman is abducted by an alien "GRAY" to aide in hunting down and destroying the creature before it can reach a second meteorite that fell to earth decades earlier unleashing its deadly infestation of earth.

The citizens of Comet Valley are being taken over by seeds from an alien plant that has taken root there. A sheriff investigates the strange goings-on.

Captain Rameses and his Legion of the Winged Serpent brigade are out to claim Earth for their dying race. Out to save Earth is an alien guard patrol located in the Bermuda Triangle, the League of Races. LOR leaders warn Rameses that he's breaking galactic treaty rules. The alien villain responds by launching an invasion which telepathically drives Earthlings to suicide. The LOR implore UFO expert Professor Duncan to help them. Eventually, the two alien forces battle. Will the Earth be saved?

In this loose remake of "Forbidden World" (1982), Commander Krieger and his robot companion Tinpan are summoned by a distress call to a research facility on the planet Phaebon, and soon find themselves battling a bizarre virus and a monstrous creature inadvertently created by the scientists there.

Aliens who've come to earth to spawn deep beneath the ocean begin terrorizing a Florida beach community. An ichthyologist and a young filmmaker team up to uncover the mystery of these monsters from the deep--before they strike again.

After someone is killed in the subterranean project called "Shadowzone," a NASA captain is called in to investigate. In the project, sleeping subjects are induced into a deep EDS state whereby they become portals to a parallel universe. Unfortunately this causes adverse reactions in the subject, and something gets through the portal, the consequence of which is an attrition problem.

Beautiful alien Amazonian women plan to conquer the world using an army of vegetable monsters. Dim-witted privates Philbrick and Penn bumble into a cave in search of atomic activity but collide instead with fierce carrot-topped tree mutants and their leaders, the 7-foot space sirens Prof. Tanga and Dr. Puna. This lavishly low-budget sci-fi romp has the bodacious aliens planning to overrun Earth with their vege-men army, but first they want the G.I.s to explain the meaning of love.

In 1974, four astronauts, silver shoe-clad Dorothy, overweight Doc, goofy Charlie, and wooden Steve, crash land on Mars when taking readings, with only four days of supplies. They must try to survive on the surface, which is barren except for some canals with huge maggots with fins. After embarking through a golden igneous cavern, braving a storm and finding an unmanned Earth vessel, they discover a golden road which leads them to the unchanging ruins of what was once a beautiful Martian city. The Martians are modeled on the Flatheads of Oz, and their collective consciousness, the "Wizard," forbids them to leave until they perform a very small task...

In 1957 a fiery object crashes into a mountaintop in the California desert, bringing the threat of disaster to Earth. Out of the flying saucer escapes a murderous creature, the Ghota, bent on destroying all life forms on the planet. A benevolent alien from the spaceship, Urp, inhabits the body of Ted Lewis, an astronomer and with the help of Tammy, a diner waitress, sets out to save mankind.

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?

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.

Disguised as executives from a Dutch Oil Company, Aliens from outer space buy a local farming company and promise to create jobs for the failing farming town. Their goal is to use crop circles to heat up the temperature of the earth and eventually turn the entire planet into a Club-Med for extra-terrestrials.

Super criminals are planning to infiltrate Earth with mass nuclear destruction! Only Starman can defend civilization by thwarting evil!

Astronauts land on a planet with prehistoric creatures and a war between a human-like tribe and a race of vampires.

Set in San Diego, the movie follows the desperate acts of Bill Templer head of a covert defense agency perpetrating a terrifying fraud on the American public - involving the imminent invasion of aliens - by leaking to the press a satellite image of an alien armada poised to strike earth. As terror of an alien attack spreads, the President of the United States orders the launching of Peacemaker, a surveillance satellite retrofitted with a nuclear warhead. Templer's elaborate plot is threatened when police detective Kevin Anjanette discovers that the alien images were faked. To protect his scheme, Templer swiftly unleashes the lethal head of his security, Ava Zurich, onto Anjanette. But it's soon revealed that an alien force actually does exist and is poised to strike if Peacemaker is used. In order to protect mankind from total annihilation, Anjanette must race to abort the nuclear bomb that will trigger the alien attack.