Park Ranger Don Morgan is torn from his routine life, when he stumbles upon a UFO visitation in the arid, deserted Park Area where he resides. An inexplicable, bizarre power outage knocks out all electronics and communications, stranding a carload of hikers in the park, and downing a small plane. Searching for hydration in the blistering heat, Don must lead the survivors across an apparently abandoned Military Testing area called "ZONE-X".

The Cabbage Soup (1981)
Two buddy farmers are visited by aliens who like their domestic cabbage soup.

Species (1995)
In 1993, the Search for Extra Terrestrial Intelligence Project receives a transmission detailing an alien DNA structure, along with instructions on how to splice it with human DNA. The result is Sil, a sensual but deadly creature who can change from a beautiful woman to an armour-plated killing machine in the blink of an eye.

Tremors (1990)
Val McKee and Earl Bassett are in a fight for their lives when they discover that their desolate town has been infested with gigantic, man-eating creatures that live below the ground.

Flight of the Navigator (1986)
12-year-old David is accidentally knocked out in the forest near his home, but when he awakens eight years have passed. His family is overjoyed to have him back, but is just as perplexed as he is that he hasn't aged. When a NASA scientist discovers a UFO nearby, David gets the chance to unravel the mystery and recover the life he lost.

Critters 2 (1988)
Three bounty hunters from space fly back to the town of Grovers Bend, hoping to save local residents from a new batch of Critter eggs.

Sphere (1998)
A spacecraft is discovered on the floor of the Pacific Ocean, presumed to be at least 300 years old and of alien origin. A crack team of scientists and experts is assembled and taken to the Habitat, a state-of-the-art underwater living environment, to investigate.

Evil Aliens (2006)
The sensationalist reporter Michelle Fox presents the TV show Weird World, with phony matters about UFOS and aliens. When she hears about Cat, a young woman that claims that have been abducted with her boyfriend and become pregnant by aliens, she convinces her chief to travel with a team to the remote Welsh island of Scalled to interview Cat. She invites the cameraman Ricky Anderson with his sound technician partner; the nerd expert in "ufology" and "ley lines" Gavin Gorman; the actress Candy Vixen and an obscure gay actor to prepare the matter. They get a van and wait for the low tide to reach the island, and when they find evidences that aliens are really landed in the location, the ambitious Michelle decides to film her way to fame and wealth.

Mission Galactica: The Cylon Attack (1979)
A compilation of Battlestar Galactica episodes 10–12 and 21, with alternate footage. Running low on fuel, the Battlestar Galactica receives the help of the supposedly lost Battlestar Pegasus which is taking the offensive with the Cylons.

Starman (1984)
When an alien takes the form of a young widow's husband and asks her to drive him from Wisconsin to Arizona, the government tries to stop them.

Species III (2005)
After she delivers her child in an ambulance, alien Eve is killed by a half-breed. Fortunately, Dr. Abbot scoops up the baby alien and escapes. In time, the baby grows into a gorgeous blonde named Sara and begins her quest to find a worthy mate. But Sara is also savage and leaves a trail of deaths in her wake. This carnage makes chemistry student Dean question whether to help her race or not.

The High Crusade (1994)
A Monty Pythonesque tale of a band of Crusaders who find themselves in possession of an alien ship and the alien to pilot it. Armed with the means to conquer the Holy Land, the naive Crusaders set off on a grand crusade, only to find themselves not in Jerusalem, but at the mercy of an entire alien world.

Plan 9 from Outer Space (1957)
In California, an old man grieves the loss of his wife, and dies the day after she is buried. However, the space soldier Eros and his mate Tanna use an electric device to resurrect them both, alongside the strong Inspector Clay, who was murdered by the alien-controlled dead couple. When the populations of Hollywood and Washington DC see flying saucers on the sky, a colonel, a police lieutenant, a commercial pilot, his wife and a policeman try to stop the aliens.

The Gendarme and the Creatures from Outer Space (1979)
The bungling inspector Cruchot finds himself trying to save the residents of St. Tropez from some oil-drinking humanoid aliens. The only way to tell the aliens from the real people, besides their constant thirst for oil-products, is that they sound like empty garbage cans when you touch them. Chaos is ahead.

Cocoon (1985)
When a group of trespassing seniors swim in a pool containing alien cocoons, they find themselves energized with youthful vigor.

The Iron Giant (1999)
In the small town of Rockwell, Maine in October 1957, a giant metal machine befriends a nine-year-old boy and ultimately finds its humanity by unselfishly saving people from their own fears and prejudices.

What Planet Are You From? (2000)
A human-looking alien from a highly advanced but emotionless all-male society is sent to Earth to impregnate a woman and bring the child back to their planet. The alien ends up falling in love while a suspicious FAA agent tails him.

A.I. Artificial Intelligence (2001)
David, a robotic boy—the first of his kind programmed to love—is adopted as a test case by a Cybertronics employee and his wife. Though he gradually becomes their child, a series of unexpected circumstances make this life impossible for David.

Aliens (1986)
Ripley, the sole survivor of the Nostromo's deadly encounter with the monstrous Alien, returns to Earth after drifting through space in hypersleep for 57 years. Although her story is initially met with skepticism, she agrees to accompany a team of Colonial Marines back to LV-426.