Ancient Aliens

Episode 1 | 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 could have happened to this advanced culture?

Episode 2 | 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. What does this mean for mankind?

Episode 3 | The Greys

Who are the beings with big heads and giant eyes that seem to have been visiting our planet for millennia?

Episode 4 | 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 about such disasters?

Episode 5 | 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.

Episode 6 | 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 inter-locking blocks, and then vanished.

Episode 7 | Aliens and Bigfoot

People on every continent have claimed to see the footprints of Bigfoot and legends speak of an ape-like giant stalking the earth. Is there evidence to connect Bigfoot with an alien species that once visited Earth in the distant p...

Episode 8 | 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 extraterrestrial beings?

Episode 9 | 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 our future?

Episode 10 | 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 stegosaurus.

Episode 11 | Secrets of the Pyramids

Episode 12 | Aliens and Cover-Ups

Episode 13 | Alien Power Plants

Episode 14 | Destination Orion

Episode 15 | The Einstein Factor