Best movies like Threshold

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.

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.

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

When scientists discover something in the Arctic that appears to be a buried Pyramid, they send a research team out to investigate. Little do they know that they are about to step into a hunting ground where Aliens are grown as sport for the Predator race.

Officially, Apollo 17 was the last manned mission to the moon. But a year later in 1973, three American astronauts were sent on a secret mission to the moon funded by the US Department of Defense. What you are about to see is the actual footage which the astronauts captured on that mission. While NASA denies its authenticity, others say it's the real reason we've never gone back to the moon.

Scientists discover a giant creature under the Earth that is wrapped around the entire planet. When the creature wakes all grumpy, it causes worldwide destruction.

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.

In Arborville, California, three high school students discover a strange, gelatinous substance that melts the flesh of any living creatures in its path and wreaks havoc across town.

A cop on the track of a criminal finds himself in the midst of an unfinished subway tunnel, when his flashlight reveals a startling discovery: a three meter long scorpion-like Bug. With one slice of its massive tail the bug fells the man and devours him. FBI agent Matt Pollack is brought in to investigate, and when forensics reveal the source of the problem, he turns to his friend and entomologist Emily Foster for help.

The six-member crew of the International Space Station is tasked with studying a sample from Mars that may be the first proof of extra-terrestrial life, which proves more intelligent than ever expected.

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.

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.

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 dormant volcano deep with the Turkish forest holds within it a deadly secret. Perfectly preserved, a nest of pterodactyl eggs are ready to hatch...

Police assitant Boyle along with tomatologist Kennedi Johnson look into investigations about Killer Tomato attacks, and discover Gangrene plans to brainwash people via TV talk shows to take over the world! Will Gangrene be stopped? Will Johnson become part of a Bacon, Lettuce and Human sandwich?

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.

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 mysterious force knocks the moon from its orbit around Earth and sends it hurtling on a collision course with life as we know it.

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.

In this remake of the classic 50s SF tale, a boy tries to stop an invasion of his town by aliens who take over the the minds of his parents, his least-liked schoolteacher and other townspeople. With the aid of the school nurse the boy enlists the aid of the U.S. Marines.

On a hot summer afternoon in the sleepy town of Blackwater Louisiana, a meteor streaks across the sky and crashes through the roof of the local Natural History Museum. The meteor is actually a spaceship containing an alien life form which animates the museum's partially frozen Woolly Mammoth and begins a rampage. Local authorities and Government Investigators join forces with Frank Abernathy, the Museum Curator, and his father Simon, a B-Movie enthusiast, to bring down the giant mammoth in this alien-invasion flick!

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.

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.

The Space Shuttle returns to earth, but some of the equipment brought back on it begins to behave strangely. Scientists are unsure what is happening, and decide to take all necessary precautions.

The citizens of Comet Valley are being taken over by seeds from an alien plant that has taken root there. A sheriff investigates the strange goings-on.

A retelling of the classic Swiss Family Robinson story.

After someone is killed in the subterranean project called "Shadowzone," a NASA captain is called in to investigate. In the project, sleeping subjects are induced into a deep EDS state whereby they become portals to a parallel universe. Unfortunately this causes adverse reactions in the subject, and something gets through the portal, the consequence of which is an attrition problem.

A scientific expedition to Loch Ness runs into trouble when the group leader is killed in a mysterious diving accident. Soon after, when the unorthodox Professor Howell shows up to take over as leader of the group, more strange incidents and attacks start to occur. While Howell and TV producer Elizabeth Borden are busy investigating the source of the attacks, the body of an enormous sea creature washes up on the lake's shore.

In a top secret Cold War military project an unstoppable, malignant organism who feeds on light and energy is unleashed threatening to destroy everything in its path.

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.

A scientist fights to save his daughter when she is chosen as one of the eight million human beings who are kept hostage by an alien species in order to save their planet.

A massive asteroid impact on the moon begins causing storms on earth due to the sudden changes in ocean tides. But when further examination is conducted it's discovered that the moon's structure is now entirely unstable -- threatening all life on earth. With time running out, a team of scientists turn to one man, demolitions expert John Redding, in effort to find a solution and secure the moon.

When the sun's increasing expulsions of plasma threaten to ignite methane in our atmosphere, international tensions rise while scientists race for a solution to avoid natural disaster.

In the not too distant future a new team of specially trained government soldiers called an Interception Team contend with the latest hostile alien encounter. When an alien scout ship crashes in eastern Russia, Sean Lambert and his elite force are dispatched to investigate. They come face-to-face with a seemingly invincible seven-foot tall, shape shifting foe hell-bent on blowing up a Russian nuclear power plant in an effort to destroy mankind through a nuclear winter. The stakes become personal when the alien discovers it was Lambert who killed its mate four years ago (Interceptor Force). A major battle ensues as the Interceptor Team look to save the Earth from alien annihilation.

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.

A Native American owner of a kitschy roadside museum accidentally brings to life three dinosaur fossils. Now really annoyed, the giant dinos wreak havoc on the small town and the local university.

A long forgotten ancient spacecraft discovered on Earth. Investigations carried out by Scout transport her to the moon whereupon she meets the impressive machines preserving the wisdom of that long lost civilization.

The world watches in awe as the Roebling Clipper is launched into space. Using state-of-the-art scalar engines to fly around the Moon and back in just hours, the maiden voyage of the first-ever trans-lunar passenger ship is about to make history. Among those on board: First Lady Simone Mathany, space-exploration entrepreneur Steve Roebling, Dr. Denise Balaban, pilot Fiona Henslaw, and a very lucky lottery winner. But while en route, a massive solar flare sparks a cosmic-ray burst that accelerates Aurora’s engine and blows the ship away from Earth’s orbit. Now out of control, it’s hurtling straight for the sun.

An object is shot down over Seattle and the debris begins to affect the local weather, ultimately threatening the whole world.

It's the end of yet another night at Hastings Supermarket, a grocery store in Buck Lake, Arizona. But just before closing, a group of masked and armed to the teeth militants invades the store and take everyone hostage

When scientist Dr Madison Taylor discovers an asteroid the size of Texas is heading for Earth, she sets out to destroy it - with or without the help of the military.

A NASA scientist discovers that a group meteorites is heading towards Earth. Along the way, they will collide with the space station Hyperion, whose 12 astronauts are trapped and inside which there is a thermonuclear heart.

A local artist uses the wreckage of a crashed Russian satellite in his giant sculpture for the town's centennial celebration. But soon a mysterious alien substance brings the giant sculpture to life; creating an iron monster whose only instinct is to survive at any cost.

2025 - The Shuttle Program has been privatized and the shuttle Atlantis relegated to glorified taxi between space stations. Its crew is on a routine mission, conducting experiments - little do they know - they are the experiment. Written by Max Bartoli

The crew of the first manned mission to Mars crash land on the surface in search of a clean everlasting power source they believe to be hidden somewhere beneath the ground. However, the crew find themselves in the middle of a civil war between the High Priest of Mars' royal guards and the High Priestess' warriors. The crew is divided with one half deciding to help the High Priest make peace with Earth and the other side with the High Priestess who is secretly plotting to kill her husband and invade Earth.

Astronauts land on a planet with prehistoric creatures and a war between a human-like tribe and a race of vampires.

A DNA experiment on a rare breed of spider is taking place on a NASA space shuttle, when a freak meteor shower engulfs the shuttle, causing everything to go horribly wrong. One survivor is found on the ship and watched over in a secret location deep in the California desert. The problem continues, as the survivor isn't alone, as another deadly spiders climbs out of him and goes on a rampage around the ship. Curious reporter Marci Eyre must now survive, escape and warn everyone before the spider reaches outside the desert.

Disaster strikes as a specialised team of investigators struggle to find out the truth about a strange monolith which sends out an intercontinental signal.

In the future, mankind's quest for answers will take them to the edge of the universe... but the knowledge they seek should never be known. In deep space, the military cruiser Venom is diverted from its mission to investigate a derelict freighter ship, the Prometheus. On board, all of the crew are dead - victims of sabotage - and its only cargo is a weapon that will change the course of time and their destiny.