When citizens of Los Angeles started witnessing UFO's, they weren’t entirely surprised. After all, this had happened before, in 1942. But why do so many UFO events take place in LA? The reason just might be right under our noses…and underwater.

Details from art works, miraculous visions and Vatican investigations and archives are used to support a theory that the Roman Catholic Church has concealed its knowledge of extraterrestrial life.

Allegedly altered space photos and missing NASA recordings are examined to determine whether alien life exists.

Since the dawn of man, unexplained illnesses have attacked the human population with a vengeance. Are these diseases the result of a secret alien agenda to take over Planet Earth? Tonight, we unseal the truth behind these Alien Plagues.

We live in the golden age of technology. But is everything around us a testament to the power of the human brain or did we have help? And if aliens did have a hand in our technological advancement, what did we give up in exchange?

They live and work in your town. In fact, they may be members of your country’s government. But they’re not who, or what, they appear to be. We’ll unseal the truth about these aliens among us and tell you who has come in peace...and who has a far more sinister purpose in mind.

We have always been told that mankind enjoys free will. Is this really true? Or have aliens created the means for controlling humanity? The shocking truth might just be hidden inside you.

Adolf Hitler set out to conquer the world and he nearly succeeded. But did the Nazis have help from an extraterrestrial source? We'll tell you what Hitler may have been hiding ... and where it is now.

They live and work in your town. In fact, they may be members of your country’s government. But they’re not who, or what, they appear to be. We’ll unseal the truth about these aliens among us and tell you who has come in peace...and who has a far more sinister purpose in mind.

The connection to mysterious men in black, the failure of missile tests in 1964 and a series of same year photographs of a man's daughter in which one of the frames mysteriously appears a man in a spacesuit is examined.

U.S. Presidents are the most powerful men on the planet. But do they know something about extraterrestrials that we don't? We'll explore the complex relationship between Aliens and Presidents.

The Great Pyramids. The Sphinx. Egypt was a civilization millennia ahead of its time.

Many people believe we are not alone. But if aliens share this planet, what are their plans for us? We'll unseal the Top 10 Alien Plots and let you know if ET came in peace or if he has something else in mind.

As the Curiosity Rover searches Mars for signs of life, the questions becomes: Could Mars have been first? We'll explore the shocking possibility that sentient life began on Mars and traveled here.

For centuries, people have reported seeing mysterious figures at the scenes of UFO sightings around the world, and video evidence may prove it.

Potential alien attacks on the military are discussed.

UFO sightings at Roswell and Area 51 are recalled.

A look at UFO phenomena across the world, and the possibility that aliens may be hiding among us or hidden away from us in remote and isolated places.

The British government may know more about alien invasion than it is saying; military cover-ups; dire warnings from government insiders.

Some UFO enthusiasts believe that all signs point to a massive global cover-up; the most active alien hotspots on Earth.

What are UFOs? Are they spacecraft? Do they travel vast distances to reach planet Earth? From mysterious planets at the edge of the Solar System, to epic journeys beyond the boundaries of time and space.

Nearly three hundred million people worldwide claim to have been abducted by aliens. Many report being subjected to torturous medical experiments. Others return with unwelcome reminders of their ordeal. Are aliens creating human hybrids?

In the 1960s we too our first steps into a vast new realm-bound for the Moon. But NASA astronauts would soon find they weren't the only ones out there.

Some experts believe many atmospheric light shows are actually caused by extraterrestrials. Do they pose an imminent threat to humanity? Join us as the alien secrets behind atmospheric anomalies.

Millions of people believe extraterrestrial live on Earth. Are the aliens here to enlighten us or destroy us? What if the worst-case scenario happened? What would aliens do? And how would they do it?