UFO Surveillance: Ever since Roswell, observers have noted that UFOs allegedly appear in locations that are already full of secrets and mystery. The question is, why?
Area 52: Area 51 is considered the ultimate top secret facility, but there is another military site, known as Area 52, where strange phenomena have been witnessed for 10 years.
Underground Alien Bases: The team investigates rumours of human-alien genetic experiments reportedly going on deep below the New Mexico desert in an underground base.
Underwater Area 51: The team investigate the highly secretive underwater testing facility AUTEC, said to be used by the US Navy for weapons testing and underwater research.
Underwater Alien Bases: Do USOs - Unidentified Submerged Objects - exist? The team examine satellite images of what seem to be underwater landing strips and other strange evidence.
Underground Alien Bases: The team investigates rumours of human-alien genetic experiments reportedly going on deep below the New Mexico desert in an underground base.
Grey's Conspiracy: The team investigates disturbingly similar stories of alien abductions from two different countries before tracking down some potential proof in Mexico.
Giant Triangles: The team uncovers rare footage of floating giant triangles hovering over cities. Could these strange sightings be extraterrestrial in origin?
Military vs UFOs: The team examine incidents of alleged conflicts between the US Air Force and the RAF, asking whether these encounters have been covered up.
The NASA Files: The team analyses incredible NASA footage of reported UFOs, and interviews former NASA employees who allegedly witnessed cover-ups first hand.
Military vs UFOs: The team examine incidents of alleged conflicts between the US Air Force and the RAF, asking whether these encounters have been covered up.
Vortexes: The team travels to Sedona, Arizona, long known for strange phenomena, to interview witnesses to unexplained sightings of lights and objects in the sky.
The NASA Files: The team analyses incredible NASA footage of reported UFOs, and interviews former NASA employees who allegedly witnessed cover-ups first hand.
Vortexes: The team travels to Sedona, Arizona, long known for strange phenomena, to interview witnesses to unexplained sightings of lights and objects in the sky.
Abductions: This episode chronicles several close encounters with alien abductees who have been held captive, probed, examined, and had objects implanted in their bodies.
Alien Contact: For years, people have claimed to have had direct, personal contact with aliens. The team tracks down some of those who claim to have had such contact.
USOs: The team use high-tech side scan sonar and deep sea magnetometers to search for evidence after learning of an encounter with an underwater phenomenon.
Abductions: This episode chronicles several close encounters with alien abductees who have been held captive, probed, examined, and had objects implanted in their bodies.
Alien Contact: For years, people have claimed to have had direct, personal contact with aliens. The team tracks down some of those who claim to have had such contact.
USOs: The team use high-tech side scan sonar and deep sea magnetometers to search for evidence after learning of an encounter with an underwater phenomenon.
USOs: The team use high-tech side scan sonar and deep sea magnetometers to search for evidence after learning of an encounter with an underwater phenomenon.
Area 51 Revealed: The team heads to the epicentre of UFO and military conspiracies, Area 51, and interrogate former employees of the alleged storage site for alien spacecraft.
Alien Crashes: In 2008, witnesses in Needles, California, saw military helicopters carry away a glowing flying object. What was the government trying to hide?
Giant UFOs: The team probes some of the largest sightings of alleged UFOs ever recorded over the English Channel, including two eerie bright yellow flat objects spotted by pilots.
UFO Storm: In 2008, the UK's Ministry of Defence released decades' worth of classified UFO files to the public. One month later, UFO hysteria ripped through the country.
Area 51 Revealed: The team heads to the epicentre of UFO and military conspiracies, Area 51, and interrogate former employees of the alleged storage site for alien spacecraft.
Aliens at the Airport: The team investigate a strange object seen over Chicago's O'Hare Airport in 2006. Are aliens watching our airports? And if so, could they be malevolent?
Giant UFOs: The team probes some of the largest sightings of alleged UFOs ever recorded over the English Channel, including two eerie bright yellow flat objects spotted by pilots.
Aliens at the Airport: The team investigate a strange object seen over Chicago's O'Hare Airport in 2006. Are aliens watching our airports? And if so, could they be malevolent?
UFO Storm: In 2008, the UK's Ministry of Defence released decades' worth of classified UFO files to the public. One month later, UFO hysteria ripped through the country.
Giant UFOs: The team probes some of the largest sightings of alleged UFOs ever recorded over the English Channel, including two eerie bright yellow flat objects spotted by pilots.