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Ancient Aliens

  • 2009-2026
  • 22 seasons
  • History Channel
  • Documentary
  • TV-PG

Science and mythology - and how they are the same thing.

Season 4 Episode Guide

10 Episodes 2012

Episode 1

The Mayan Conspiracy

Fri, Feb 17, 2012 44 mins

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?

Ancient Aliens Season 4 The Mayan Conspiracy

Episode 2

The Doomsday Prophecies

Fri, Feb 17, 2012 45 mins

They were the messengers of divine knowledge and seers who shared visions of the future. For thousands of years, human civilization has been guided by the words and deeds of ancient prophets, but just who--or what--were these prophets communicating with?

Ancient Aliens Season 4 The Doomsday Prophecies

Episode 3

The Greys

Fri, Feb 24, 2012 45 mins

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

Ancient Aliens Season 4 The Greys
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Episode 4

Aliens and Mega-Disasters

Fri, Mar 2, 2012 45 mins

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?

Ancient Aliens Season 4 Aliens and Mega-Disasters

Episode 5

The NASA Connection

Fri, Mar 9, 2012 45 mins

NASA scientists, former astronauts and secret government files all point to the conclusion that there has been contact with extraterrestrial life in the past.

Ancient Aliens Season 4 The NASA Connection

Episode 6

Mystery of Puma Punku

Fri, Mar 16, 2012 45 mins

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.

Ancient Aliens Season 4 Mystery of Puma Punku

Episode 7

Aliens and Bigfoot

Fri, Mar 23, 2012 44 mins

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 past?

Ancient Aliens Season 4 Aliens and Bigfoot

Episode 8

The Da Vinci Conspiracy

Fri, Apr 6, 2012 45 mins

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?

Ancient Aliens Season 4 The Da Vinci Conspiracy

Episode 9

The Time Travelers

Fri, Apr 27, 2012 45 mins

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?

Ancient Aliens Season 4 The Time Travelers

Episode 10

Aliens and Dinosaurs

Fri, May 4, 2012 45 mins

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.

Ancient Aliens Season 4 Aliens and Dinosaurs
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