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The New Evidence
Those who claim to have been abducted by extraterrestrials give their accounts of the interior of spacecrafts.
If aliens have visited Earth, what are their intentions? Do they wish to experiment on the human body, or the human mind as well?
Specialists in the field of the extraterrestrial examine new evidence that suggests there was alien intervention on Earth in the distant past.
One of the most mysterious ancient civilisations, at its peak the Persian Empire stretched from Greece to India. Why didn't it last?
Clearing The Way
Secrets and Lies
The global nature of WWII proved as costly to servicemen as the enemy. From deserts to jungles, the extraordinary diversity of terrain and climate took its toll.
Ahead of the front line, combat engineers cleared the way for the Allied advance in WWII. This is a tribute to the men who proved essential to the war effort.
A look at the tactics employed to pass strategically important ships under the nose of the enemy, and the use of intelligence to carry out naval attacks.
The Jet Age
The Jet Age: The story of the jet engine from their dramatic introduction in World War II, to the first jet aces in Korea and the supersonic fighters of today. (S1, ep 14)
Nazi Time Travellers
The Mystery of Loch Ness
Searching for Bigfoot
Experts join the trail of purported Nazi time travel device, Die Glocke. Did it really exist? And could it have been based on alien technology?
Giorgio Tsoukalos investigates whether sightings of the Loch Ness monster could be caused by a disturbance in the space-time continuum.
Experts investigate why sightings of Bigfoot are so often accompanied by reports of UFOs. Could the Sasquatch be an alien living in our midst?
Aliens Among Us
Aliens Among Us: Are we being watched by otherworldly beings? Experts make surprising discoveries as they explore the ancient past for evidence of alien overseers. (S7, ep 4)
Pyramids of Antarctica
Alien encounters have offered a possible glimpse into the secrets of interstellar navigation. Could this one day ensure mankind's survival?
Advances in technology have given us unprecedented access to distant galaxies that may harbour life. However, alien life may be found closer to home.
Pyramids of Antarctica: Ancient Astronaut theorists suggest that aliens may have colonised an ice-free Antarctica, before a global event plunged it into the Ice Age. (S9, ep 2)
The Roman Empire's accomplishments ranged from the awe-inspiring to the deplorable. What were the engineering feats that set it apart from the rest of the world?
UFOs from Earth
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.
Through history, mankind has credited its existence to otherworldly beings. Could this be true? Can any proof be found in these early beliefs? (S9, ep 3)
Epic re-enactments and dazzling footage of ancient sites uncover how the Egyptians engineered their pyramids and monuments.
Summer of Saucers
Decoding the Cosmic Egg
In 1947, there was an unprecedented wave of UFO sightings that propelled the UFO phenomenon to the world stage. What were the US Air Force's findings?
For many people, the most credible UFO reports are those raised by law enforcement. We investigate the most significant reports from police records.
Ancient Astronaut theorists examine the creation myth of 'The Cosmic Egg', and look at why the concept is so pervasive throughout the world. (S9, ep 4)
Documentary exploring the brutality, extravagance and madness of Caligula, who ruled the Roman empire for 1,400 days before his assassination.
Space Shuttle Encounters
The Killing Fields
Between 1981 and 2011 cameras on NASA space shuttles picked up many images of UFOs that experts still struggle to explain.
While many UFO sightings occur in rural locations with only a single eyewitness, there have been sightings over cities witnessed by hundreds.
As we look forward to the first astronauts reaching Mars in the next 20 years, is there evidence to suggest human life was first seeded there? (S9, ep 5)
Archaeologists at Messines in Belgium uncover the secrets of some of the best-preserved trenches, bunkers and tunnels ever found on the Western Front.