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s22e16 · 2026-08-14
Running · US
Ancient Aliens
History Documentary
What it is
Ancient Aliens explores the controversial theory that extraterrestrials have visited Earth for millions of years. From the age of the dinosaurs to ancient Egypt, from early cave drawings to continued mass sightings in the US, each episode in this hit History series gives historic depth to the questions, speculations, provocative controversies, first-hand accounts and grounded theories surrounding this age old debate. Did intelligent beings from outer space visit Earth thousands of years ago?
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15 this season · 346 totals13e01 The UFO Conspiracy 2018-04-28 01:00
The UFO Conspiracy
In 2017, it was revealed that the Department of Defense recently spent millions investigating reports of UFOs. This is the latest disclosure about a series of secret government UFO projects dating back decades, but many of their findings have never been released to the public. Could the truth about an extraterrestrial presence on Earth be part of a UFO Conspiracy?
s13e02 Da Vinci's Forbidden Codes 2018-05-05 01:00
Da Vinci's Forbidden Codes
Researchers claim there are hidden messages that can be found within the works of Leonardo da Vinci--and other art throughout history--that may reveal an extraterrestrial influence.
s13e03 The Alien Protocols 2018-05-12 01:00
The Alien Protocols
In 2017, a strange, cigar-shaped object entered our solar system from another star system traveling in such an unusual trajectory it caused some astronomers to suggest that it could be an extraterrestrial craft. It brought up an important question--will we have a plan in place for what to do if we encounter alien life?
s13e04 Earth's Black Holes 2018-05-19 01:00
Earth's Black Holes
Could black holes exist not just in outer space, but here on Earth? And if so, could Earth's Black Holes have caused strange disappearances and other inexplicable phenomena for centuries?
s13e05 The Desert Codes 2018-05-26 01:00
The Desert Codes
Could giant ancient drawings found etched into the desert floor be part of an ancient alien code?
s13e06 Area 52 2018-06-02 01:00
Area 52
Could Area 51's notoriety act as a cover up to much bigger, top-secret extraterrestrial experiments taking place at multiple locations?
s13e07 Earth Station Egypt 2018-07-21 00:00
Earth Station Egypt
Was Egypt home to Earth's earliest extraterrestrial visitors? Ancient Astronaut theorist Giorgio A. Tsoukalos explores the latest scientific discoveries at some of the world's most ancient places to find evidence that extraterrestrials visited Egypt in the distant past.
s13e08 Island of the Giants 2018-07-28 01:00
Island of the Giants
Could the ancient ruins of Sardinia, Italy hold clues to an extraterrestrial past? Oak Island treasure hunter Marty Lagina and Ancient Astronaut theorist Giorgio A. Tsoukalos explore the bizarre statues, mysterious pyramids and gigantic structures left behind by one of the most mysterious cultures in the ancient world.
s13e09 The Taken 2018-08-04 01:00
The Taken
Millions of people around the world have claimed to be abducted by extraterrestrials. Are these extraordinary accounts some form of mass psychological delusion? Or, might these stories actually be true?
s13e10 The Sentinels 2018-08-11 01:00
The Sentinels
Seven stone giants stand guard over a Pacific island. But what are they protecting--and from whom? Ancient Astronaut theorists Giorgio A. Tsoukalos and David H. Childress explore a Polynesian land of bizarre figures and forbidden places in search of what could be the ultimate evidence of mankind's extraterrestrial origins.
s13e11 Russia Declassified 2018-08-18 01:00
Russia Declassified
A secret alliance hidden in plain sight. Joint space missions with undisclosed agendas. Have the United States and Russia been working together from the very beginning of the Space Race--in preparation for the ultimate extraterrestrial encounter?
s13e12 They Came from the Sky 2018-08-25 01:00
They Came from the Sky
Ancient cultures from around the world believed that meteorites were not merely rocks that fell from the sky, but sacred stones imbued with the power of the Gods. Ancient Astronaut theorists ask: Could these space rocks be pieces of extraterrestrial technology?
s13e13 The Artificial Human 2018-09-01 00:00
The Artificial Human
Are intelligent robots a threat to humanity--or the next step in human evolution? As man and machine begin to merge, are we fulfilling a destiny prepared for us by aliens thousands of years ago?
s13e14 The Alien Phenomenon 2019-01-05 02:00
The Alien Phenomenon
Erich von Daniken's Chariots of the Gods challenged everything we thought we knew about mankind's history, suggesting that aliens visited Earth in the distant past. Fifty years after the book's publication, is he about to be proven right?
s13e15 Return to Mars 2019-01-08 02:00
Return to Mars
As humanity prepares to establish colonies beyond Earth, are we simply realizing mankind's future or returning to its extraterrestrial past? And when humans become the alien visitors on other planets, what–or whom–will we encounter?