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Season 4

4x1: The Mayan Conspiracy
The Mayan civilization dominated Central America for nearly 2000 years, but by the 9th century A.D., the great Mayan cities were abandoned, and the Mayan people vanished. What... read more »
Air date February 17th, 2012
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4x2: The Doomsday Prophecies
The Maya created the most sophisticated calendar systems in the ancient world, and according to many scholars their Long Count Calendar will come to an end on December 21, 2012.... read more »
Air date February 17th, 2012
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4x3: The Greys
Who are the beings with big heads and giant eyes that seem to have been visiting our planet for millennia? Known by researchers as the "greys," these mysterious beings... read more »
Air date February 24th, 2012
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4x4: Aliens and Mega-Disasters
There are numerous historical, religious and mythic accounts of ancient civilizations being wiped out by volcanoes, earthquakes, floods, and meteors. Did god, or nature bring... read more »
Air date March 2nd, 2012
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4x5: The NASA Connection
NASA scientists, former astronauts and secret government files all point to the conclusion that there has been contact with extraterrestrial life in the past. Researchers... read more »
Air date March 9th, 2012
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4x6: The Mystery of Puma Punku
At nearly 14,000 years old, the ruins of Puma Punku are the oldest and most baffling on the face of the Earth. No one knows who designed and built this complex of sophisticated... read more »
Air date March 16th, 2012
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4x7: Aliens and Bigfoot
People on every continent have claimed to see the footprints of Bigfoot. And ancient myths and legends speak of an ape-like giant stalking the earth. What if, as Ancient... read more »
Air date March 23rd, 2012
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4x8: The Da Vinci Conspiracy
Might an examination of Leonardo Da Vinci's masterful paintings, highly technical hand-drawn sketches, and private journals reveal knowledge of otherworldly technology and... read more »
Air date April 6th, 2012
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4x9: The Time Travelers
Is it possible that sightings of alien beings or UFOs may actually be evidence of time travelers from the future? And might ancient astronauts actually be time travelers from... read more »
Air date April 27th, 2012
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4x10: Aliens and Dinosaurs
Angkor Wat, Cambodia, is the world’s largest ancient religious temple. Within its megalithic ruins, researches have discovered a depiction of a species of dinosaur – a... read more »
Air date May 4th, 2012
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4x11: Secrets of the Pyramids
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Air date May 18th, 2012
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4x12: Aliens and Coverups
In 1980, two young military men were sent into a UK forest to investigate strange lights. They reportedly encountered a space craft of unknown origin. When one of the men... read more »
Air date May 25th, 2012