Ancient Aliens Documentary - Search Videos

The Mystery of Alien Travel Through History | Ancient Aliens

The Mystery of Alien Travel Through History | Ancient Aliens

Journey through time and space in this Ancient Aliens compilation, exploring how extraterrestrials may have traveled to Earth in ancient times, influencing civilizations, technology, and the mysteries that still baffle historians today. Stay up to date on all of your favorite shows on The HISTORY Channel website at http://history.com/schedule # ...

1.2M views2 months ago

Ancient Aliens Debunked

Warnings From Beyond Earth | Ancient Aliens

Warnings From Beyond Earth | Ancient Aliens

87.9K views4 weeks ago

Most CHILLING Alien Theories *MARATHON* | Ancient Aliens

Most CHILLING Alien Theories *MARATHON* | Ancient Aliens

751K views4 months ago

The Truth Behind These Unexplained Phenomena | Ancient Aliens

The Truth Behind These Unexplained Phenomena | Ancient Aliens

182.4K views1 month ago

Top videos

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

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

945.7K views6 months ago

Inside the Mystery of the Greys | Ancient Aliens

Inside the Mystery of the Greys | Ancient Aliens

1.5M views5 months ago

Humanity’s Greatest Unexplained Mysteries | Ancient Aliens

Humanity’s Greatest Unexplained Mysteries | Ancient Aliens

336.7K views5 months ago

Ancient Astronaut Theory

Ancient Astronaut Theory | National Geographic

Ancient Astronaut Theory | National Geographic

YouTubeNational Geographic

748.8K viewsApr 14, 2010

Were We Really the First Space Travelers? (S1) | Ancient Aliens

Were We Really the First Space Travelers? (S1) | Ancient Aliens

26.1K views1 month ago

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

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

21.9K views1 month ago

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

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

945.7K views6 months ago

Inside the Mystery of the Greys | Ancient Aliens

Inside the Mystery of the Greys | Ancient Aliens

1.5M views5 months ago

Humanity’s Greatest Unexplained Mysteries | Ancient Aliens

Humanity’s Greatest Unexplained Mysteries | Ancient Aliens

336.7K views5 months ago

Aliens Were Already Here | Ancient Aliens

Aliens Were Already Here | Ancient Aliens

375.1K views4 months ago

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

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

242.5K views6 months ago

Mysterious Abductions: Encounters Beyond Explanation | Ancient Aliens

Mysterious Abductions: Encounters Beyond Explanation | Ancient Aliens

319.4K views4 months ago

UFOs, Government Secrets & Hidden Knowledge | Ancient Aliens

UFOs, Government Secrets & Hidden Knowledge | Ancient Aliens

251.6K views7 months ago

Groundbreaking & Unexplainable Technology | Ancient Aliens | History

2M viewsJun 24, 2025

What Governments Know About Aliens | Ancient Aliens

994.9K views4 months ago

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

1.2M views6 months ago

Ancient Aliens: "Are We Alone?" ALIEN AGENDA UNRAVELED *Marathon* | History

4.8M viewsOct 29, 2024

Unexplained Anomalies and Their Extraterrestrial Links | Ancient Aliens

652.8K views8 months ago

Unsolved Alien Mysteries: from Alaska's Pyramid to the Freemasons | Ancient Aliens

3.4M views10 months ago

Alien Mysteries of the Sea: Forbidden Islands & Deep Ocean Secrets | Ancient Aliens | History

252.9K views10 months ago

Ancient Aliens: TOP UFO MYSTERIES OF 2025 | Part 1

413.2K views6 months ago

Explaining Advanced Ancient Egyptian Technologies | Ancient Aliens | Compilation | History

5.8M viewsMay 13, 2025

What NASA Knows About Mars | Ancient Aliens

560.4K views4 months ago

See more