Best movies like The Monitors

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.

A group of friends awake one morning to find all electricity and power shut off and an immense alien aircraft hovering in the air above their heads. Suddenly this regular group of friends is battling to survive as the entire human race is threatened by the alien army hovering ominously above.

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 alien narrates the story of his dying planet, his and his people's visitations to Earth and Earth's self-made demise, while human astronauts in space are attempting to find an alternate planet for surviving humans to live on.

A fleet of Martian spacecraft surrounds the world's major cities and all of humanity waits to see if the extraterrestrial visitors have, as they claim, "come in peace." U.S. President James Dale receives assurance from science professor Donald Kessler that the Martians' mission is a friendly one. But when a peaceful exchange ends in the total annihilation of the U.S. Congress, military men call for a full-scale nuclear retaliation.

A Mysterious Alien Creature (MAC) escaping from nefarious NASA agents, is befriended by a young boy in a wheelchair. Together, they try to find MAC's family from whom he has been separated.

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.

During the alien invasion of 2022, one man flees through a wormhole to 1992, where attempt after attempt is made to catch and kill him.

Capt. William "Buck" Rogers is a jovial space cowboy who is accidentally time-warped from 1987 to 2491. Earth is engaged in interplanetary war following a global holocaust, and Buck's piloting skills make him an ideal starfighter recruit for the Earth Defense Directorate, where his closest colleagues are Dr. Huer (Tim O'Connor), squadron leader Col. Wilma Deering (former model Erin Gray), the wisecracking robot Twiki (voiced by cartoon legend Mel Blanc), and a portable computer-brain named Dr. Theopolis.

Scientist Doctor Who accidentally activates his new invention, the Tardis, a time machine disguised as a police telephone box. Doctor Who, his two grand-daughters, and Barbara's boyfriend Ian are transported through time and space to the planet Skaro, where a peaceful race of Thals are under threat of nuclear attack from the planet's other inhabitants: the robotic mutant Daleks.

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

A comedy that follows the chaos that ensues when a meteor hits the Earth carrying alien life forms that give new meaning to the term "survival of the fittest." David Duchovny, Orlando Jones, Seann William Scott, and Julianne Moore are the only people standing between the aliens and world domination... which could be bad news for the Earth.

Emperor Wang (the Perverted) is leader of the planet Porno and sends his mighty "Sex Ray" towards Earth, turning everyone into sex-mad fiends. Only one man can save the Earth, football player Flesh Gordon. Along with his girlfriend Dale Ardor and Professor Flexi-Jerkoff, they set off towards the source of the Sex Ray, unaware of the perils that face them!

Three aliens morph into super-hot babes and arrive to protect the earth from the intergalactic forces of evil. Guided by Syntax, their holographic mentor, these Illegal Aliens are willing to use every trick in the book and every sexy outfit in their wardrobe to accomplish their mission! "Illegal Aliens" pokes fun at today's Hollywood and pays tribute to the so-called "Bad Movies" we all love to hate.

Two high school goofs steal an explosive device from another world that has been hidden on earth, and an alien named Mr. Armageddon is sent to retrieve it from them.

After killing the crooked mayor a homicidal janitor named Abdullah goes to work for a butcher who has invented a new language for the town's planned futuristic theme park. In the butcher shop is a septic tank where scraps of meat are dumped which has produced "balonium" a radioactive fuel source sought after by space aliens. The aliens revive the mayor, who's body is hanging in the meat locker of the butcher shop, in an attempt to gain access to the balonium.

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.

A good alien from a dying race must impregnate an Earth woman to avoid extinction of his race. A bad alien whose race helped wipe out good alien's race doesn't want to see this happen.

Adventurer/surgeon/rock musician Buckaroo Banzai and his band of men, the Hong Kong Cavaliers, take on evil alien invaders from the 8th dimension.

Five friends set out to a cabin in the woods for a fun weekend getaway that is, until extraterrestrial visitors turn it into a fight for their lives. The group is pulled from their reverie when a flickering object crashes deep in the woods. As they investigate, the friends stumble across an alien spacecraft, and its inhabitants have not arrived in peace.

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.

A crew of Martians overhears a radio broadcast of Orson Welles' "War of the Worlds" coming from Earth, and, thinking the Martian fleet is attacking Earth, they land their broken-down ship in a backwater mid-American town. As luck would have it, they land on Halloween and get mistaken for trick-or-treaters. Comedy ensues as the Martians try to get taken seriously.

Three women make an emergency landing on a planet plagued with a fatal disease, but are captured by dictator Overdog. Adventurer Wolff goes there to rescue them and meets Niki, the only Earthling left from a medical expedition. Combining their talents, they try to rescue the women.

About a race of alien robots that have conquered Earth and forced humanity underground. After 400 years, a small group of humans develop a plan to defeat the mechanical invaders in the ultimate battle between man and machine.

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 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.

In the near future the earth has become desolate and dangerous. Now inhabited by by a mysterious race of creatures, humanity has been forced to find refuge in the SkyArk, a man-made city in the sky. As the population grows, space becomes scarce and only the rich and powerful can stay, dumping the poor and orphaned of SkyArk to the abandoned earth.

An isolated Canadian town (populated by the weirdest group of people this side of Saturn) has seen its share of problems. First the nut factory closed, then the CATV antenna stopped broadcasting, and now something is gruesomely devouring the townsfolk! Can visiting atomic scientist (and expert on "cool fusion") Dr. Karel Lamonte solve the mystery before everyone disappears?

When Earth is attacked by a hostile alien force, a small town firefighter and a rogue SETI scientist team up to activate the only technology capable of defeating the invaders.

After the American Army shot down a UFO in 1947, generations of elite commandos were secretly trained to deal with the aliens' feared return. However, the extra-terrestrials never came back and the elite force was disbanded. Sixty-six years after the Roswell crash, the aliens are invading Earth and only the over-the-hill retired commandos can stop them.

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.

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.

Alien seeds hitch a ride to earth in a space shuttle crew and begin to grow. When their numbers reach the Threshold amount they will be an unstoppable swarm.

After his grandmother's death, 24-year-old Mike Hillary sets off in search of who he thinks is his real father. Little does he suspect the real scenario: his late mother was impregnated by aliens, and now they've sent someone down to bring back their "specimen"--dead or alive.