Author and amateur astronomer John Putnam and schoolteacher Ellen Fields witness an enormous meteorite come down near a small town in Arizona. Putnam becomes a local object of scorn when, after examining the object up close, he announces that it is a spacecraft, and that it is inhabited...

Really strange documentary of Wheeler Dixon production quality on the Tunguska Event and the possibility of it happening again causing an apocalypse (basically a meteor scare film) sprinkled with UFO conspiracy kooks, and other 'professionals', riddled with stock footage of all kinds, freaky moog music and sound fx, a Dr. Who rip-off end theme, Victor Buono as Homer the Archivist, a philosophical history recorder in a space ship with a HAL 9000 type talking computer named Ino, there's also another space ship with Egyptian looking aliens girls with pasties and see-thru blouses.

A seven-mile-wide space rock is hurtling toward Earth, threatening to obliterate the planet. Now, it's up to the president of the United States to save the world. He appoints a tough-as-nails veteran astronaut to lead a joint American-Russian crew into space to destroy the comet before impact. Meanwhile, an enterprising reporter uses her smarts to uncover the scoop of the century.

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.

A drive-in favorite, this sci-fi classic follows teenagers Steve and his best girl, Jane, as they try to protect their hometown from a gelatinous alien life form that engulfs everything it touches. The first to discover the substance and live to tell about it, Steve and Jane witness the blob destroying an elderly man, then it growing to a terrifying size. But no one else has seen the goo, and policeman Dave refuses to believe the kids without proof.

When meteors in a curious V-formation crash on a Cornwall field, an alien force possesses several scientists and infects bystanders with a deadly disease. Shielded from the meteor's influence by a metal plate in his head, Dr Curtis Temple discovers that an alien race on the moon seeks to use the manipulated geniuses for seemingly nefarious purposes. But, as he learns more about the invaders, they may not be as evil as initially thought.

Since the 1940's alien beings known as "GRAYS" have been sighted around the globe with the thought that they visit our planet to study our species and civilization before they eventually invade...but what if we're wrong? What if they are only here to protect us? After a meteorite crashes to earth awakening the extraterrestrial creature within, a young woman is abducted by an alien "GRAY" to aide in hunting down and destroying the creature before it can reach a second meteorite that fell to earth decades earlier unleashing its deadly infestation of earth.

When a meteor carrying a destructive plant strikes the world, a suicide squad is given hours to save their post-apocalyptic city from total collapse.

Nathan Hayes is a religious man trying to hold onto his farm and keep his family in line. A real estate developer is trying to buy most of the farm property in the area, including Mr. Hayes’ family farm, in the hope that the Tennesse Valley Authority will choose the town for the site of a new dam and recreational area. The night of a terrible storm, an unidentified, glowing object crashes on the Hayes farm and with it comes a horrible curse for the family and other members of the community.

Sebastian, a man in his thirties, works a series of temporary jobs and embraces love at every opportunity. He transforms, through a series of short encounters, as the world flirts with possible apocalypse.

Disaster unfolds when a meteor strikes a small town, turning the environment uninhabitable and killing everything in the surrounding area. Exobiologist Lauren Stone is called to find answers to the unearthly event. As she begins to uncover the truth, imminent danger awakens and it becomes a race against time to save mankind.

With the discovery of an incoming asteroid, the government of America formulate a plan to destroy it. When the plan fails, all the world can do is wait. The main impact zone is revealed to be Dallas, Texas. Generally, the plot follows the lives and reactions of several characters: an astronomer, her father, her son, two firefighters from Kansas, two young doctors in Dallas and the heads of the government agency in charge of the situation.