Ancient Aliens - Season 4

Ep 1

The Mayan Conspiracy

Aired: Feb 17, 2012

The Mayan civilization dominated Central America for nearly 2000 years, but by t...

Ep 2

The Doomsday Prophecies

Aired: Feb 17, 2012

The Maya created the most sophisticated calendar systems in the ancient world, a...

Ep 3

The Greys

Aired: Feb 24, 2012

Who are the beings with big heads and giant eyes that seem to have been visiting...

Ep 4

Aliens and Mega-Disasters

Aired: Mar 2, 2012

There are numerous historical, religious and mythic accounts of ancient civiliza...

Ep 5

The NASA Connection

Aired: Mar 9, 2012

NASA scientists, former astronauts and secret government files all point to the ...

Ep 6

The Mystery of Puma Punku

Aired: Mar 16, 2012

At nearly 14,000 years old, the ruins of Puma Punku are the oldest and most baff...

Ep 7

Aliens and Bigfoot

Aired: Mar 23, 2012

People on every continent have claimed to see the footprints of Bigfoot. And anc...

Ep 8

The Da Vinci Conspiracy

Aired: Apr 6, 2012

Might an examination of Leonardo Da Vinci's masterful paintings, highly technica...

Ep 9

The Time Travelers

Aired: Apr 27, 2012

Is it possible that sightings of alien beings or UFOs may actually be evidence o...

Ep 10

Aliens and Dinosaurs

Aired: May 4, 2012

Angkor Wat, Cambodia, is the world’s largest ancient religious temple. Within...