Episode guide
Ancient Aliens: Season 4
10 episodes · premiered Feb 17, 2012
TMDB has no overview for this season.
- Episode 1: The Mayan Conspiracy Feb 17, 2012 · 44m 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…
- Episode 2: The Doomsday Prophecies Feb 17, 2012 · 44m 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…
- Episode 3: The Greys Feb 24, 2012 · 44m 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 have been depicted…
- Episode 4: Aliens and Mega-Disasters Mar 2, 2012 · 44m 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…
- Episode 5: The NASA Connection Mar 9, 2012 · 44m 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 examine this and…
- Episode 6: The Mystery of Puma Punku Mar 16, 2012 · 44m 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…
- Episode 7: Aliens and Bigfoot Mar 23, 2012 · 44m 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 Astronaut…
- Episode 8: The Da Vinci Conspiracy Apr 6, 2012 · 44m 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…
- Episode 9: The Time Travelers Apr 27, 2012 · 44m 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 May 4, 2012 · 44m 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. But how…