Ancient Aliens Documentary - Search Videos

Forbidden Files of Extraterrestrial Contact (S1, E3) | Ancient Aliens | Full Episode

Forbidden Files of Extraterrestrial Contact (S1, E3) | Ancient Aliens | Full Episode

If ancient aliens visited Earth, who were they, and where did they come from? Possible historic evidence and beliefs are examined around the world. In Season 1, Episode 3, "The Visitors." Stay up to date on all of your favorite shows on The HISTORY Channel website at http://history.com/schedule #AncientAliens Subscribe for more from Ancient ...

195K views1 month ago

Ancient Aliens Debunked

The Most Shocking Alien Encounters Ever | Ancient Aliens

The Most Shocking Alien Encounters Ever | Ancient Aliens

768.1K views1 month ago

What Governments Know About Aliens | Ancient Aliens

What Governments Know About Aliens | Ancient Aliens

884.7K views4 months ago

The Truth Behind Aliens, Cover-Ups, and the Unknown *Marathon* | Ancient Aliens

The Truth Behind Aliens, Cover-Ups, and the Unknown *Marathon* | Ancient Aliens

75.5K views1 month ago

Top videos

The Mystery of Alien Travel Through History | Ancient Aliens

The Mystery of Alien Travel Through History | Ancient Aliens

1.2M views2 months ago

The Truth Behind These Unexplained Phenomena | Ancient Aliens

The Truth Behind These Unexplained Phenomena | Ancient Aliens

182.4K views1 month ago

Mysteries of Sacred Mountains | Ancient Aliens

Mysteries of Sacred Mountains | Ancient Aliens

182.1K views1 month ago

Ancient Astronaut Theory

Ancient Astronaut Theory | National Geographic

Ancient Astronaut Theory | National Geographic

YouTubeNational Geographic

748.5K viewsApr 14, 2010

Ancient Aliens: The Shocking Theory Behind the Gods (S1)

Ancient Aliens: The Shocking Theory Behind the Gods (S1)

21.9K views1 month ago

The Evidence Says Yes | Ancient Aliens

The Evidence Says Yes | Ancient Aliens

182.5K views3 months ago

The Mystery of Alien Travel Through History | Ancient Aliens

The Mystery of Alien Travel Through History | Ancient Aliens

1.2M views2 months ago

The Truth Behind These Unexplained Phenomena | Ancient Aliens

The Truth Behind These Unexplained Phenomena | Ancient Aliens

182.4K views1 month ago

Mysteries of Sacred Mountains | Ancient Aliens

Mysteries of Sacred Mountains | Ancient Aliens

182.1K views1 month ago

Lost Technologies of Ancient Civilizations | Ancient Aliens

Lost Technologies of Ancient Civilizations | Ancient Aliens

455.8K views1 month ago

Mysterious Places (S2, E1) | Ancient Aliens | Full Episode

Mysterious Places (S2, E1) | Ancient Aliens | Full Episode

120.3K views4 weeks ago

Ancient Aliens: The Shocking Theory Behind the Gods (S1)

Ancient Aliens: The Shocking Theory Behind the Gods (S1)

21.9K views1 month ago

The Truth About Alien Disclosure | Ancient Aliens

The Truth About Alien Disclosure | Ancient Aliens

376.4K views1 month ago

The Search for the Truth *Marathon* | Ancient Aliens

160K views5 months ago

Ancient Civilizations Destroyed by Catastrophes (S4, E4) | Ancient Aliens | Full Episode

42.2K views2 months ago

Most CHILLING Alien Theories *MARATHON* | Ancient Aliens

751K views4 months ago

Inside the Mystery of the Greys | Ancient Aliens

1.5M views4 months ago

Were the Ancient Gods Actually Aliens? | Ancient Aliens

400.9K views1 month ago

Mysteries That Span Civilizations and Time | Ancient Aliens

279.8K views2 months ago

The Alien Origins of Human Civilization | Ancient Aliens

203.6K views5 months ago

The Truth Behind Aliens, Cover-Ups, and the Unknown *Marathon* | Ancient Aliens

75.5K views1 month ago

The Strange Similarities Between Humans and Aliens (S1) | Ancient Aliens

11.6K views1 month ago

Secrets From Earth’s Earliest Ages *Marathon* | Ancient Aliens

312.8K views4 months ago

Aliens & the Power of Three Explained | Ancient Aliens

133.9K views1 month ago

David Childress Around the World | Ancient Aliens

201.5K views4 months ago

Secrets From the Stars Decoded on Earth | Ancient Aliens

228.5K views2 months ago

Gods or Visitors From the Stars? | Ancient Aliens

592.4K views2 months ago

Egypt’s Greatest Secrets and Alien Theories | Ancient Aliens

172.1K views1 month ago

Mysteries That Challenge Human Origins *Marathon* | Ancient Aliens

449.1K views2 months ago

Uncovering the Truth: Giants, Alien Relics & The Human Experiment *Marathon* | Ancient Aliens

593.7K views10 months ago

The Anunnaki’s Secret Underground Cities (S19, E3) | Ancient Aliens | Full Episode

349.2K views3 months ago

Interstellar Secrets of Ancient Civilizations | Ancient Aliens | History

7.5M viewsFeb 25, 2025

Ancient Aliens: Extraterrestrial Legends & UFO Mysteries Revealed *3 Hour Marathon* | History

2.7M viewsSep 17, 2024

Alien Encounters You Won't Believe | Ancient Aliens | History

38.5M viewsDec 15, 2022

Groundbreaking & Unexplainable Technology | Ancient Aliens | History

2M viewsJun 24, 2025

2025’s Biggest Alien Discoveries (Part 2) | Ancient Aliens

1.1M views6 months ago

The Most Shocking Alien Encounters Ever | Ancient Aliens

768.1K views1 month ago

SHOCKING UFO MYSTERIES OF 2025 | Ancient Aliens *Full Episode Marathon*

911.5K views6 months ago

Lost Civilizations Beyond History | Ancient Aliens

633K views3 months ago

Extraterrestrial Signs We’ve Been Visited *2 Hour Marathon* | Ancient Aliens

548.7K views4 months ago

The Ancient UFO Evidence That Changed Everything | Ancient Aliens | Marathon

490K views8 months ago

Uncovering Earth’s Most Sacred UFO Mysteries *Marathon* | Ancient Aliens

229.8K views6 months ago

Mysterious Abductions: Encounters Beyond Explanation | Ancient Aliens

319.4K views4 months ago

See the Alien Ties to Ancient Societies Across the World | Ancient Aliens | History

829K views11 months ago

Chilling Evidence of ETs Among Us *Marathon* | Ancient Aliens

288.8K views2 months ago

Did Aliens Build the Ancient World? | Ancient Aliens

275.5K views4 months ago

The Evidence Says Yes | Ancient Aliens

182.5K views3 months ago

Mysterious Devices of the Gods *Marathon* | Ancient Aliens

357.2K views5 months ago

Secrets Hidden in Antarctica and Beyond *Marathon* | Ancient Aliens

159.8K views1 month ago

Unlocking the Akashic Record and UFO Truths *Marathon* | Ancient Aliens

148.7K views5 months ago

Encounters That Changed Humanity | Ancient Aliens

172.6K views3 months ago

Secrets of Mars and Ancient Visitors *Marathon* | Ancient Aliens

223.7K views1 month ago

Aliens & Mystery: Unexplained Encounters *Marathon* | Ancient Aliens | History

266.1K views10 months ago

Forbidden Caves Inside Antarctic Pyramids *Marathon* | Ancient Aliens

187.3K views2 months ago

The Civilization That Invented Everything (S6, E3) | Ancient Aliens | Full Episode

451.9K views4 months ago

Who Are the Greys Visiting Earth for Millennia? (S4, E3) | Ancient Aliens | Full Episode

137.5K views2 months ago

Mysteries Beyond Earth and Time *Marathon* | Ancient Aliens | History

313.4K views7 months ago

Are Aliens Guiding Cosmic Impacts? (S19, E6) | Ancient Aliens | Full Episode

223.1K views3 months ago

Sacred Sites & the Secrets Hidden Within | Ancient Aliens | History

218.5K views9 months ago

Did Aliens Master Time Itself? | Ancient Aliens

190.9K views6 months ago

The Mystery of Earth’s Sacred Places | Ancient Aliens

107.2K views6 months ago

Cosmic Encounters EXPOSED *Marathon* | Ancient Aliens

43.5K views3 months ago

Vanished in the Triangle | Ancient Aliens

86.1K views2 months ago

Mesoamerica’s Alien Connection | Ancient Aliens

157.9K views4 months ago

Ancient Mysteries | Ancient Aliens: Origin of Humanity | Full Sci-Fi Documentary | Free Movie

8.1K views8 months ago

YouTubeV Movies

See more