Best movies like Metamorphosis : The Alien Factor

An underground government facility is locked down by its A.I.-controlled computer when an alien entity travels through a dimensional portal and threatens the lives of everybody inside.

A boy takes in a stray dog, later finding out that its an ultra-intelligent runaway from a genetic research lab. Unbeknownst to him, the dog is being stalked by another escaped creature thats not quite so friendly.

When a series of unexplained vicious animal attacks strikes his community, Sheriff Jim Tanner and his assistant Barbara trace them back to a Dr. Hyde, a former military researcher whose government funding for a dinosaur cloning project was cut. When the Pentagon discovers Hyde obtained foreign backing to continue his experiments, they send in a strike team to save Tanner and Barbara and stop Hyde.

Amanda's deathbed request to her son, John, was for him to destroy all the lab notes etc. from her last experiment. She also blurts out he had a brother. At the funeral John meets Melissa, who claims to be his mother's biggest fan. Together with some of John's friends they go to Amanda's house, but none are prepared for what they find there.

After an experiment to make the ultimate weapon goes wrong, a team of commandos is sent into a genetic research lab and end up getting stalked by a creature that looks a lot like the Predator

A huge burrowing machine tunnels out of control at ferocious speed, cutting clean through to the center of the earth, to the twilight world of pellucidar. Once there, Dr. Perry and David Innes are threatened by half human creatures, lizard-like birds, and man-eating plants.

It's 2 A.M. in St. Louis when a routine scientific experiment goes terribly wrong and an explosion shakes the city. A scientific team investigates, clashing with an intergalactic, voltage-devouring creature that vaporizes them.

Dr. Bill Cortner and his fiancée, Jan Compton, are driving to his lab when they get into a horrible car accident. Compton is decapitated. But Cortner is not fazed by this seemingly insurmountable hurdle. His expertise is in transplants, and he is excited to perform the first head transplant. Keeping Compton's head alive in his lab, Cortner plans the groundbreaking yet unorthodox surgery. First, however, he needs a body.

Herbert West once again revives the dead. This time, he brings Dan's ex-girlfriend's heart back inside a 'perfect' body. Dr. Hill returns as the evil nemesis who lost his head.

A US government germ warfare lab has had an accident. The first theory is that one of the germs has been released and killed several scientists. The big fear is that a more virulent strain, named The Satan Bug because all life can be killed off by it should it escape, may have been stolen.

In the distant future, a federation marshal arrives at a research lab on a remote planet where a genetic experiment has gotten loose and begins feeding on the dwindling scientific group.

When a meteorite touches down in the New Jersey woods carrying a monstrous alien slug, it’s up to four teens to stop it before it’s terrifying brood consumes all life on Earth!

Near a small English village, a scientific team is conducting experiments with magnetic fields, the results of which may have military applications but the intensification of which seem to be connected to UFO reports, a series of murders, an enormous insect egg, and a strange visitor with exceptional scientific knowledge.

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.

A crew of scientists arrives on a far, cold planet to examine archaic artifacts of unknown origin. They discover that their German enemies already have a ship there. When they seek their help after a failed landing, they only find the Germans’ bodies, obviously slaughtered by one of the archaic creatures, awoken to new life. Now the alien is after them.

On its way back to Earth, the space shuttle Nautilus passes through a cloud of alien spores causing its sole occupant, astronaut Steve Thomas to transform into a blood-thirsty monster. The shuttle crashes into a swampy region of central Florida, creating a situation which threatens contagion and/or death to all who encounter the shuttle or its mutated pilot.

The crew of an experimental underwater nuclear base are forced to struggle for their lives when their explorations disturb a creature who threatens to destroy their base.

Sean Barker became the unwilling host to an alien bio-armor known as the Guyver. A year ago he destroyed the Kronos Corporation, an organization of mutants who want the Guyver. Now he is trying to find why the Guyver unit forces him to fight and kill evil.

When a virus threatens to turn the now earth-dwelling friendly alien hybrids against humans, Captain Rose Corley must lead a team of elite mercenaries on a mission to the alien world in order to save what's left of humanity.

Martin Brundle, born of the human/fly, is adopted by his father's place of employment (Bartok Inc.) while the employees simply wait for his mutant chromosomes to come out of their dormant state.

On the quiet campus of the remotely-located SouthWestern University, something strange is happening. All of the dogs in the area, once loyal, gentle pets, are now banding together in wild packs and hunting down their former masters. Could the strange transformation have anything to do with the secret government experiments being conducted in the school's physics laboratory? More importantly, can the dogs be stopped before it's too late?

Captain Saxon, an agent for the top secret Omega agency, has been given the assignment of tracking down and either capturing or killing the crew members of a secret space mission who returned to Earth against orders. It seems that they were all infected with an alien parasite, and they were trying to bring its eggs back to Earth. The eggs were lost in an accident, and both Saxon and the astronauts are trying to locate them.

After a series of Amazonian Indian attacks on US owned petroleum installation in Brazil, both governments start a secret 'special program'. In fact colonel Ezekial's men use GM killer bees to eradicate the tribes. During an Indian attack, reporter Ann Bauer is stung, yet survives after a mysterious rescue. Dr. Stephen North realizes the venom has priceless healing powers and smuggles the bee aboard a flight to New York. Bauer, her nearly-divorced husband, Martin, who is aboard and her friend, US State Department project representative, Scotty, face potential mass-killing after turbulence releases the bees aboard.

When a young ski team training for the Olympics arrives at the remote and isolated Lost Mountain Ski Resort to focus on training, they're thrilled to find a retired Olympic skier is there to help them train. But their plans are halted when a scientist working at a nearby government lab arrives with the horrifying news that a top secret Government project has produced giant spiders and they have escaped, killing and eating everything in sight.

An astronaut exposed to cosmic rays outside of Saturn's rings returns to Earth and begins to melt away. Escaping from the hospital, he wanders around the backwoods looking for human flesh to eat.

A test rocket carrying wasps to outer space, to study the effects on them of weightlessness and radiations, crashes out of control back to Earth, into the jungles of Africa. The two astrobiologists in charge of the test mount an expedition to the Darkest Continent to retrieve their experiment, only to find the wasps have grown to giant size which are panicking all forms of life as they quest for food.

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.

An ape crash-lands on Earth, which creates a sludge that makes him and a passing lizard grow to giant-size, resulting in a fight for dominance.

Group of heroin smugglers finds shelter on abandoned oil rig after their ship had exploded. Soon they find that the oil rig was just cover for biological experiment. One of the results is Charlie - shape-shifting monster with ability to absorb the memory of its victims. However, even such creatures have their own bad habits.

A mad scientist unleashes his master plan: to transform himself into a mutated walking catfish, and gain revenge on those who have spurned him. His plans go wrong, and he becomes tempted to kidnap a nubile young woman to similarly transform her so that he can breed.

Microbes are brought back to earth via a space probe from Venus. A scientist is using them in experiments on aging, but dies before the work is finished. His assistant approaches an aging actress who is being passed by for the lead roles, and she injects the serum hoping to become young again. When the actress is still passed up for the plum roles, the alien bacterium transforms her into a hideous bug-like alien resulting in a predictable attrition problem amongst her detractors.

American astronaut Frank Douglas mysteriously disappears from his spacecraft as it parachutes to Earth. He is apparently replaced by or turned into a large, radioactive, humanoid monster. A team of scientists and military men attempt to capture the monster.

A space shuttle crashes containing a lethal prototype organism designed to survive in any environment. The only people who can stop the creature are the Secretary of Defense agent and the female scientist who created it.

Alien creatures emerge from the sun and attack Earth.

Due to political pressure from the American public, the Air Force has decided to allow two well-known reporters limited access to the most secretive base on the planet. But when one of the base’s “long-term visitors” exploits this unprecedented visit as a chance to liberate himself and his fellow alien captives, Area 51 turns from a secure government base to a horrifying destination of terror.