Best movies like Significant Other

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.

At the dawn of the space-race, two radio-obsessed teens discover a strange frequency over the airwaves in what becomes the most important night of their lives and in the history of their small town.

A young couple ventures into the woods to capture footage of the elusive Bigfoot.

Jack Harper is one of the last few drone repairmen stationed on Earth. Part of a massive operation to extract vital resources after decades of war with a terrifying threat known as the Scavs, Jack’s mission is nearly complete. His existence is brought crashing down when he rescues a beautiful stranger from a downed spacecraft. Her arrival triggers a chain of events that forces him to question everything he knows and puts the fate of humanity in his hands.

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.

The world is under attack by an alien armada led by the powerful Apokoliptian, Darkseid. A group of superheroes consisting of Superman, Batman, Wonder Woman, The Flash, Green Lantern, Cyborg, and Shazam must set aside their differences and gather together to defend Earth.

A civilian oil rig crew is recruited to conduct a search and rescue effort when a nuclear submarine mysteriously sinks. One diver soon finds himself on a spectacular odyssey 25,000 feet below the ocean's surface where he confronts a mysterious force that has the power to change the world or destroy it.

A team of explorers discover a clue to the origins of mankind on Earth, leading them on a journey to the darkest corners of the universe. There, they must fight a terrifying battle to save the future of the human race.

A vacationing family encounters an alien threat in this pulse-pounding thriller based on the real-life Brown Mountain Lights phenomenon in North Carolina.

When astronaut Spencer Armacost returns to Earth after a mission that nearly cost him his life, he decides to take a desk job in order to see his beautiful wife, Jillian, more often. Gradually, Jillian notices that Spencer's personality seems to have changed, but her concerns fade when she discovers that she's pregnant. As Jillian grows closer to becoming a mother, her suspicions about Spencer return. Why does it seem as if he's a different person?

A massive ball of furry creatures from another world eat their way through a small mid-western town followed by intergalactic bounty hunters opposed only by militant townspeople.

A small-town doctor learns that the population of his community is being replaced by emotionless alien duplicates.

On the same day that Tom Dunn finds out that he is to become a father again, the people of Earth become plagued with terrifying visions of the end of the world. When a gigantic, all-consuming alien mothership launches a ruthless attack, chaos and destruction follow. The ultimate war for Planet Earth is about to begin...

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 parasitic alien soul is injected into the body of Melanie Stryder. Instead of carrying out her race's mission of taking over the Earth, "Wanda" (as she comes to be called) forms a bond with her host and sets out to aid other free humans.

On a road trip, Nic and two friends are drawn to an isolated area by a computer genius. When everything suddenly goes dark, Nic regains consciousness – only to find himself in a waking nightmare.

Zane Ziminski is an astrophysicist who receives a message that seems to have extraterrestrial origins. Eerily soon after his discovery, Zane is fired. He then embarks on a search to determine the origins of the transmission that leads him into a Hitchcockian labyrinth of paranoia and intrigue.

A family living on a farm finds mysterious crop circles in their fields which suggests something more frightening to come.

During a Space Shuttle mission a satellite rams a unidentified flying object. The UFO afterwards performs an emergency landing in the deserts of Arizona. However the White House denies its existence because of the near presidential elections. The UFO is brought to the secret Hangar 18 and the accident is blamed on the incompetence of the astronauts Bancroff and Price. But the two fight against this and try to hunt down the UFO.

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.

For their honeymoon, newlyweds Cliff and Cydney head to the tropical islands of Hawaii. While journeying through the paradisaical countryside the couple encounters Kale and Cleo, two disgruntled hitchhikers and Nick and Gina, two wild but well-meaning spirits who help guide them through the lush jungles. The picturesque waterfalls and scenic mountainsides quickly give way to terror when Cliff and Cydney learn of a grisly murder that occurred nearby and realize that they're being followed by chance acquaintances that suspiciously fit the description of the killers.

When strange lights descend on the city of Los Angeles, people are drawn outside like moths to a flame where an extraterrestrial force threatens to swallow the entire human population off the face of the Earth. Now the band of survivors must fight for their lives as the world unravels around them.

When some very creepy things start happening around school, the kids at Herrington High make the chilling discovery that their faculty is being controlled by body-snatching aliens.

Thunder Mountain somewhere in the American wilderness, has a reputation that has scared away travellers, both white and Indian, for hundreds of years. Undaunted by the ghost stories surrounding the mountain, a father decides it's just the place for him and his son to go camping and do a little bonding. Strange voices and stranger footprints around their campground try to warn the pair away, but Dad is unconcerned and blithely pushes on. Eventually, however, the two come face to face with the force standing guard over this forbidden mountain.

A newly reunited young couple's drive through the Pacific Northwest turns into a nightmare as they are forced to face nature, unsavory locals, and a monstrous creature, known to the Native Americans as Oh-Mah.

A couple on the brink of ending their marriage spend a weekend in different cities. After a cataclysmic event strikes, the husband embarks on a physical and emotional quest to return home as a nation prepares for the worst.

Two friends on a road trip pass through a town where aliens are landing and feeding upon the some of the civilians.

A group of scientists are possessed by an alien force when they investigate a meteor shower in a rural field.

A man and his daughter are attacked in the woods by what they believe is a Bigfoot-type creature. However, they soon begin to suspect that they may have stumbled onto a nest of aliens in a hidden spacecraft.

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.

Earth's position in the universe has become of vital strategic importance to those who have, until now, only studied us from the far reaches of space. Knowing our weaknesses, they have planned their attack, and now, in just 5 days, life on Earth will change forever. Robert Casey, a retired US Intelligence agent turned UFO investigator, races to discover the truth about the Dominion and what it has in store for the human race. Time is running out...

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.

When drones arrive in a flash, slaughtering humanity and stripping the Earth of its resources, a small team of scientists hiding in Los Angeles works to expel the drone menace once and for all.

As host of his own hit TV series, 'MAN VS', Doug Woods is forced to fend for himself for five days in remote locations with no crew, food, or water, only the cameras he carries on his back to film his experiences. Doug's in the remote woods for a routine episode, until he's awoken by an earth-shaking crash. Things get weirder as it becomes clear Doug isn't alone. Someone or something is watching him.

For millennia the Alien force has watched and waited, a brooding menace that has now at last decided to take over the Earth. Communications systems worldwide are sent into chaos by a strange atmospheric interference, a massive spaceship heads towards Earth and smaller spaceships begin to cover entire cities. Suddenly, the wonder turns into horror as the spaceships destroy the cities with energy weapons. When the world counterattacks, the alien ships are invincible to military weapons. The survivors have to use their wits to kill the aliens, or die.