Unsealed: Alien Files

A powerful top-secret organization is said to control all UFO information and to keep even the highest levels of government in the dark.

In 1965, hundreds of people witness a fireball crash in rural Pennsylvania.

UFOs appear to burst from the ocean into the sky.

In 1948, a fireball crashes near Laredo, Texas.

The USSR's vast skies paid witness to thousands of UFO sightings, but the Soviet regime was notorious for its secretiveness.

Investigating a possible UFO crash in Laredo, Texas, that occurred in 1948.

Ancient megaliths baffle historians and engineers the world over, leading some to believe that aliens had a hand in building them.

Aliens may be plotting to plunder the Earth's natural resources.

* Reported messages from extraterrestrial beings are investigated. * Alien life may be attempting to communicate with humans.

Aliens may invade homes while occupants are asleep.

*Examining whether blackouts in the U.S. could be a side effect of alien technology. *America's recent, massive blackouts may have been caused by alien technology.

*Possible links between natural phenomena and alien activity are examined. *Aliens may be causing global climate change in order to make Earth hostile to human life.

A united Earth may be the only chance for survival in the face of an alien invasion.

Ancient pyramids across the world may be part of a grand alien design connecting to a mysterious global energy grid.

Crashed UFOs may contain alien technology that could change the course of history.

Citizen ufologists coordinate alien information-sharing networks, subverting their governments' classified intelligence.

UFOs may be visiting the sun and tampering with its power.

The different kinds of UFO; each craft's purpose, power and control, and who is flying them.

Ancient artwork and legends suggest that aliens have been communicating with Australian Aborigines for 70,000 years.

A single UFO incident may tip the balance of terror and plunge the world into panic.