"The Invaders": A Television Classic.

The Aliens are here, posing as human, and not friendly. David Vincent has seen them land and now must evade them and convince others of their presence while not being put in the booby hatch.

An architect's close encounter with a spaceship leads him to investigate a small town's hydroelectric plant.

David Vincent meets with an eminent astrophysicist who has proof that aliens are invading the planet.

In a border town, David Vincent meets a stripper who claims to have seen something strange in the desert.

David Vincent meets with the president of an electronics company, a man who believes aliens have kidnapped various heads of their fields and are planning to kidnap him as well.

David Vincent discovers the aliens have taken over a sea lab for sinister purposes.

David Vincent, using an assumed name, gets a job as a chauffeur in order to infiltrate a manufacturing plant and find proof of alien activity.

David Vincent visits a small Kansas town that is resentful of strangers and uncovers an alien plot to control locusts and other insects.

The aliens plan to explode an anti-matter bomb in Utah during a nuclear test.

A strange, metallic cylinder is stored at a laboratory, waiting to be tested. It belongs to the aliens, and they are willing to kill in order to get it back.

The aliens take David Vincent up into their spaceship and then attempt to prove they have nothing but peaceful intentions by showing him what they've done to a desert valley. But all is not what it seems.

A school in New Mexico is really a front for an alien indoctrination center. The head of the school offers a pilot a lot of money to smuggle in its otherworldly students.

David Vincent steals a computer tape in order to expose alien activity on Houston oil fields.

A mysterious hurricane strikes, sparing only a small Florida town. That draws David's attention, and he soon discovers a nest of aliens there, determined to use the weather against humanity. Their boat creates and controls the storm, but what controls the boat? David must find that control center before the aliens use their storm to wreck the entire eastern seaboard. He's hampered by an injury, and a clever alien who turns his benefactor Father Corelli against him.

Nick Baxter's an invader, and his touch proves lethal: he's developed an illness which promises a slow death for him, but a very rapid death by freezing for any organism he touches. David tracks him down, but others of his kind are also interested in finding him. Baxter wants to reach a ship so he can get medical help, but he's convinced those hunting him want him dead. David's success may depend on convincing someone who's turned his back on humanity, to find in himself the desire to help others.

David is drawn into the space program by a series of coincidences that convince him of alien involvement. But why do the aliens want to put one of their own on a manned mission? Surely they can get to space whenever they need to. The answer may lie in the meaning of some photographs taken by an unmanned probe. Photographs that reveal some disturbingly regular objects on the moon's surface.

Newly married Bill and his new bride lose control of the car. They run a truck off the road, and its driver staggers from the vehicle, falls, glows red and vanishes! Then the young couple suffocates. It's all part of a scheme run by the alien Taugus, and it draws in David's brother Bob, Bob's wife Grace, and crusading newsman Theodore Booth. David's finally managed to convince his brother and someone able to get the word out that he may be telling the truth about the aliens - but is it just in time to see the entire human population choking for air on their own planet?

Pressed for cash, Morgan Tate leased a large portion of his plant to Lewis Dunn a year earlier. Now, Tate has discovered that Dunn is not what he appears to be, and that the plant is now a front for a communications center. Tate has managed to seize and hide a file named "Command Roster One" and the aliens are desperate to recover it. They bring in Tate's estranged daughter Carol to pressure the man, but with David Vincent's help, Tate may manage to save his daughter and recover the hidden file. If he can, it would be a terrible setback for the invaders.

Major Dan Keller works as a computer programmer for NORAD. The aliens need a window to bring in a great many saucers, so they can establish a base. They place one of their own as Dan Keller's new wife Laurie. She hypnotises Dan into replacing a crucial programming tape with one the aliens have prepared - one which will instruct NORAD's systems to ignore certain images.

Paul Cook's an electronics expert with an aversion to people. Beings from an alien planet would also like a look at the defences, and they've a planto take advantage of Cook's reclusiveness. If David Vincent can't stop the invaders, they'll get the information, and use it to advance their planned invasion

An alien saucer crashes in the Utah foothills. Reports of its fiery demise draw David Vincent, even after flyovers by Air Force jets failed to locate the site of the mysterious fireball. Vincent soon discovers Gale Frazer, who has helped the craft's only survivor, Blake. Frazer, sick of war after serving in Vietnam, believes Blake's people are peaceful. David must gain her trust and convince her that Blake's mission is not peaceful. That is complicated by the arrival of Sawyer and Lavin, who have come to collect the box Blake's craft brought to Earth.

David's friend Charlie Gilman stands accused of murdering Fred Wilk, and district attorney Slater's determined to convict. But David knows Wilk's was an invader - and if necessary, he'll use that to help his defence. David sets a man to research Slater's background, and the man turns up evidence that part of the background was faked - and Slater's an invader as well.

Tom Jessup's an invader, who's transporting a briefcase containing something vital: spores. These organisms will grow into aliens able to withstand Earth's atmosphere. As Jessup desperately tries to find the briefcase, the spores inside of it continue to develop.

Wesley Sanders breaks into the embassy of a foreign power to steal troop movement data. But he fails to disarm the security and gets caught. Examining him, Dr. Serret notices some strange signs, and recalls reading about David Vincent, who might be able to answer her questions. David is interested, but clever misdirection allow Sanders and his allies to pit David and the United States interests against those of the foreign power. The aliens are willing to destroy the embassy to keep Sanders from talking, even knowing that this may precipitate an atomic war! David finds himself forced to help the aliens.

David Vincent has finally connected with several others who know the invaders are here, including industrialist Edgar Scoville. But immediately following a meeting, David and three of the Believers are ambushed. David is captured and his friends killed. But when he proves invulnerable to hypnosis, the aliens devise a new scheme to enlist David's unwitting aid in tracking down and murdering the rest of the Believers.