The Alien Files: UFOs Under Investigation

There are hundreds of so-called religious groups across the world headed by leaders pretending to be in contact with superior beings from outer space.

Fixed photographs, fake flying saucer crashes, cosmic messages, film-segment showing the alleged autopsy of an extraterrestrial...

Silence, cover-ups, formal denials, disinformation...anything goes when it comes to hiding the truth from the general public.

In most cases, UFO sightings are easily explained by simple scientific facts: optical illusions, atmospheric phenomena, sounding balloons, hallucinations.

Many spectacular UFO sightings across the USA, Canada, Europe or South America have remained unexplained despite serious and thorough investigations.

Just in the US alone, over 3 million people claim to have been abducted by extraterrestrials interested to know how the human anatomy works.

According to some skeptics, American astronauts never really landed on the moon; even worse, they claim that a handful of people in close contact with extraterrestrials.

Mysterious manifestations like the Bermuda Triangle, crop circles, animal mutilations and bizarre creatures are consistently linked with alien intervention.

Some treasures of antiquity contain irrefutable proof that the human race descends directly from ancient alien beings who visited Earth.

How is it that UFOs and aliens have changed appearances over the past 50 years? In this episode we see the effect pop culture and media.

Did an alien spacecraft crash in Roswell? Experts have been debating over what is fact and fiction since 1947.

There are many arguments of whether alien life exists. Some wonder if there is other life, why hasn't it visited us?