Seasons & episodes

Photographic evidence of Unidentified Flying Objects helped usher in the modern UFO phenomenon. As the world continues to evolve into the digital age, more and more people are capturing images in the sky that they are unable to explain.

Where do UFOs come from? Some people believe they're from distant galaxies, wormholes, or other planets within the Milky Way. Join us as we investigate the existence of UFOs and determine the possibility that they may be from Earth.

In 1947, a series of UFO sightings triggers an unprecedented analysis that propels the UFO phenomenon on to the world stage. We investigate how the U.S. Air Force comes to the stunning conclusion that UFOs may not be from Earth.

UFO sightings happen almost every day. But in the court of public opinion the most credible witnesses come from law enforcement. Join us as we investigate the most important police sightings of UFOs.

Between 1981 and 2011, NASA's Space Shuttles flew 135 missions. The Space Shuttle cameras, manned and unmanned, have recorded astounding footage of UFOs that many experts find almost impossible to explain.

Many famous UFO sightings occur in remote locations with just a single eyewitness. But some sightings have taken place over large cities with hundreds of witnesses.

Scientists have never been closer to proving that life once lived on Mars. But is it still there? And if so, how has it evolved? Join us as we investigate the red planet and the possibility that alien life may live within our own galaxy.

Scientists and Ufologists are scouring the vast regions of space for signs of extraterrestrial life. But if it takes millions of years for light from distant stars to reach Earth, how long could it take for aliens to answer our call?

Some scientists believe the survival of mankind hinges upon the revolutionary science of Artificial Intelligence. Biological life may just be an evolutionary stepping-stone in a universe dominated by Artificial Alien Intelligence.

For decades, scientists have been searching for proof that extraterrestrials exist. But just where does alien life exist? And what does it look like? Join us as we investigate just how close we are to First Contact.