A police chief in the war-torn streets of Los Angeles discovers that an extraterrestrial creature is hunting down residents - and that he is the next target.
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.
As Stitch, a runaway genetic experiment from a faraway planet, wreaks havoc on the Hawaiian Islands, he becomes the mischievous adopted alien "puppy" of an independent little girl named Lilo and learns about loyalty, friendship, and ʻohana, the Hawaiian tradition of family.
An alien is left behind on Earth and saved by the 10-year-old Elliot who decides to keep him hidden in his home. While a task force hunts for the extra-terrestrial, Elliot, his brother, and his little sister Gertie form an emotional bond with their new friend, and try to help him find his way home.
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.
A radio astronomer receives the first extraterrestrial radio signal ever picked up on Earth. As the world powers scramble to decipher the message and decide upon a course of action, she must make some difficult decisions between her beliefs, the truth, and reality.
After an encounter with UFOs, an electricity linesman feels undeniably drawn to an isolated area in the wilderness where something spectacular is about to happen.
A pair of aliens arrive on Earth to prepare for invasion, but crash instead. With enormous cone-shaped heads, robotlike walks and an appetite for toilet paper, aliens Beldar and Prymatt don't exactly blend in with the population of Paramus, N.J. But for some reason, everyone believes them when they say they're from France.
When the galaxy comes under the threat of a nefarious space captain, a mechanic and his newfound robot ally join an elite squad of combatants to save the universe.
Two years after the fall of the alien ship, the life of a young woman from Moscow has been changed forever. Her growing powers are now at the focus of both human and celestial investigation: an alien force takes an interest in her, and will stop short of nothing, including an invasion. Can love and compassion save humanity, when faced with a much greater and more demanding test this time?
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.
A representative of an alien race that went through drastic evolution to survive its own climate change, Klaatu comes to Earth to assess whether humanity can prevent the environmental damage they have inflicted on their own planet. When barred from speaking to the United Nations, he decides humankind shall be exterminated so the planet can survive.
Mulder and Scully, now taken off the FBI's X Files cases, must find a way to fight the shadowy elements of the government to find out the truth about a conspiracy that might mean the alien colonization of Earth.
A psychologist is sent to a space station orbiting a planet called Solaris to investigate the death of a doctor and the mental problems of cosmonauts on the station. He soon discovers that the water on the planet is a type of brain which brings out repressed memories and obsessions.
Ben, Gwen, and Max must stop an extraterrestrial who plans to open a gateway that leads to an alien invasion.
After an alien ship crash lands in a Russian city, many who see the inside and the occupants start to question their own existence while others demand the aliens leave Earth.
In a soon to be demolished block of apartments, the residents resist the criminal methods used to force them to leave so a greedy tycoon can build his new skyscraper. When tiny mechanical aliens land for a recharge, they decide to stay and help out.
A blast from Ben's past returns to do double the damage on Team Tennyson and planet Earth itself, forcing Ben to go interstellar to save the day. Based on the 2016 reboot.
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.
After a battle with Dr. Animo in a power plant, Ben notices something strange is happening with the Omnitrix but doesn't tell anyone. Tetrax arrives and tells them the Omnitrix is broadcasting a self-destruct signal. Tetrax and Ben go to find the creator of the Omnitrix to fix it before it destroys itself and the universe along with it. Gwen stows away to help her cousin.