Watch Ancient Aliens Season 5

Secrets Of The Pyramids

Aired on Dec 21, 201244m

For thousands of years, pyramids were the largest structures on Earth. But what purpose did they serve? Researchers explore strange similarities between all pyramids, as well as otherworldly connections between these mysterious monumental structures.

S5 E2

Aliens and Cover-Ups

Aired on Dec 28, 201244m

In 1980, a trio of military men were sent into a UK forest to investigate strange lights. They reportedly encountered a spacecraft, but the military ordered them to keep the incident a secret. Why do such UFO encounters continue to be kept under wraps?

S5 E3

Alien Power Plants

Aired on Jan 04, 201344m

Egyptian hieroglyphs depict light bulbs. And batteries may have been discovered among artifacts from Mesopotamia. Did the Ancients understand electricity, and if so, how did they discover this technology? Might they have had help from extraterrestrials?

S5 E4

Destination Orion

Aired on Jan 11, 201344m

Why were ancient civilizations around the world so focused on the Orion constellation? While scientists cite many earthly connections, some researchers suggest this point in the night sky may have been an entry point for alien life forms.

S5 E5

The Einstein Factor

Aired on Jan 18, 201344m

Was Albert Einstein a genius? Or was he superhuman? Is it possible, as Ancient Astronaut theorists believe, there is an extraterrestrial connection to the scientific genius of famous historical figures such as Einstein, Galileo, Aristotle and others?

S5 E6

Secrets of the Tombs

Aired on Jan 25, 201344m

Across the globe, archaeologists have uncovered ancient tombs filled with strange items and writings. Ancient Astronaut theorists believe that some of these tombs were designed with the help of extraterrestrials.

S5 E7

Prophets and Prophecies

Aired on Feb 08, 201344m

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? Might there be evidence of communication with extraterrestrial overlords?

S5 E8

Beyond Nazca

Aired on Feb 15, 201344m

Hundreds of gigantic lines, some in the shape of animals, geometric patterns and even an alien-like being, extend for miles throughout a remote Peruvian desert. Some theorists believe that the massive markings have an extraterrestrial connection.

S5 E9

Strange Abductions

Aired on Feb 22, 201344m

Alien abductions are not a modern phenomenon. The Hebrew Bible is filled with stories of abductions by otherworldly beings. Is it possible that extraterrestrials have been abducting humans for thousands of years? If so, why?

S5 E10

The Von Daniken Legacy

Aired on Apr 05, 201344m

A young man's spiritual journey. A controversial bestseller. And a scientific theory that threatened to change the world. Just what are the facts behind Erich von Däniken and Ancient Astronaut theory?

S5 E11

The Viking Gods

Aired on Apr 12, 201344m

The gods worshipped by the Norse Vikings—Odin, Frey and Thor among them—were fearsome and mysterious. But were these beings truly divine, or is there, perhaps, an extraterrestrial connection?

S5 E12

The Monoliths

Aired on Apr 19, 201344m

What compelled ancient man to move colossal stones, in some cases weighing thousands of pounds, and to build remarkably similar stone monuments all around the world? Is it possible that extraterrestrials instructed them to build these structures?