Ancient Aliens - Search Videos

Secrets of the Deep Sea | Ancient Aliens

Secrets of the Deep Sea | Ancient Aliens

Explore theories that suggest Earth’s oceans may hold clues to extraterrestrial activity, as researchers examine deep-sea mysteries, unexplained phenomena, and the possibility of intelligent life interacting with our planet’s vast underwater world. See more in this compilation. Stay up to date on all of your favorite shows on The HISTORY ...

150.1K views1 day ago

Ancient Aliens: Full Episodes

Secret Pyramids Hide Beneath Earth's Surface | Ancient Aliens: Declassified (S1, E16) | Full Episode

Secret Pyramids Hide Beneath Earth's Surface | Ancient Aliens: Declassified (S1, E16) | Full Episode

2.8M viewsOct 26, 2024

Ancient Aliens: Top 3 Otherworldly Deep Ocean Mysteries (S19) | History

Ancient Aliens: Top 3 Otherworldly Deep Ocean Mysteries (S19) | History

487.2K viewsSep 14, 2023

Ancient Aliens: Lost Sci-Fi Tech of Ancient Worlds | History

Ancient Aliens: Lost Sci-Fi Tech of Ancient Worlds | History

1.2M viewsDec 5, 2024

Ancient Aliens Debunked

What Governments Know About Aliens | Ancient Aliens

What Governments Know About Aliens | Ancient Aliens

884.7K views4 months ago

The Most Shocking Alien Encounters Ever | Ancient Aliens

The Most Shocking Alien Encounters Ever | Ancient Aliens

417.6K views2 weeks ago

Lost Technologies of Ancient Civilizations | Ancient Aliens

Lost Technologies of Ancient Civilizations | Ancient Aliens

455.8K views1 month ago

Top videos

Underground Aliens Emerge Across the Globe (S2, E4) | Ancient Aliens | Full Episode

Underground Aliens Emerge Across the Globe (S2, E4) | Ancient Aliens | Full Episode

175.2K views1 week ago

Legends from the Stars *Marathon* | Ancient Aliens

Legends from the Stars *Marathon* | Ancient Aliens

91.8K views5 days ago

Extraterrestrial Secrets of Mankind's Past | Ancient Aliens

Extraterrestrial Secrets of Mankind's Past | Ancient Aliens

109K views6 days ago

Ancient Astronauts: Evidence and Theories

Ancient Astronaut Theory | National Geographic

Ancient Astronaut Theory | National Geographic

YouTubeNational Geographic

748.4K viewsApr 14, 2010

Ancient Aliens: Evidence of Life in Outer Space | History

Ancient Aliens: Evidence of Life in Outer Space | History

412.5K viewsJul 25, 2024

Ancient Aliens: 5 SHOCKING Mysteries Beneath Polar Ice | History

Ancient Aliens: 5 SHOCKING Mysteries Beneath Polar Ice | History

4.3M viewsMar 21, 2024

Underground Aliens Emerge Across the Globe (S2, E4) | Ancient Aliens | Full Episode

Underground Aliens Emerge Across the Globe (S2, E4) | Ancient Aliens | Full Episode

175.2K views1 week ago

Legends from the Stars *Marathon* | Ancient Aliens

Legends from the Stars *Marathon* | Ancient Aliens

91.8K views5 days ago

Extraterrestrial Secrets of Mankind's Past | Ancient Aliens

Extraterrestrial Secrets of Mankind's Past | Ancient Aliens

109K views6 days ago

Volcanoes Connected to UFO Battles | Ancient Aliens

Volcanoes Connected to UFO Battles | Ancient Aliens

73.5K views2 days ago

The Top Ten Alien Influencers (S20, E1) | Ancient Aliens | Full Episode

The Top Ten Alien Influencers (S20, E1) | Ancient Aliens | Full Episode

30.2K views4 days ago

Ancient Aliens: Secrets of the Pyramid (S5, E1) | Full Episode | History

Ancient Aliens: Secrets of the Pyramid (S5, E1) | Full Episode | History

4.8M viewsJun 14, 2023

Evidence of Early Alien Contact with Earth | Ancient Aliens (S1, E99) | Full Episode | History

Evidence of Early Alien Contact with Earth | Ancient Aliens (S1, E99) | Full Episode | History

3.4M viewsNov 16, 2024

Were Ancient Catastrophes Alien Made? | Ancient Aliens

152.4K views1 week ago

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

5.6M viewsMay 13, 2025

Groundbreaking & Unexplainable Technology | Ancient Aliens | History

2M views11 months ago

The Mystery of Alien Travel Through History | Ancient Aliens

1.1M views2 months ago

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

843.1K views6 months ago

Lost Civilizations Beyond History | Ancient Aliens

521.9K views3 months ago

Warnings From Beyond Earth | Ancient Aliens

87.9K views1 week ago

Were Greek Gods Actually Aliens? (S19, E16) | Ancient Aliens | Full Episode | The UnXplained Zone

2K views1 week ago

YouTubeThe UnXplained Zone

Luke Caverns Responds to the Ancient Aliens Theory

5.2K views2 days ago

YouTubeJULIAN DOREY Clips

Did Aliens Shape Ancient Peru? Shocking Evidence Revealed! | Full Documentary

1.6K views1 week ago

YouTubeSci-Fi Central

The Ancient Alien Mystery Hidden for 450,000 Years

30.4K views6 days ago

YouTubeBapuji Dashrathbhai Patel

It has watched our species for 13,000 YEARS

1.9K views7 hours ago

YouTubeRoanoke Tales

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

38.5M viewsDec 15, 2022

Interstellar Secrets of Ancient Civilizations | Ancient Aliens | History

7.5M viewsFeb 25, 2025

This is What Life Was Like MILLIONS Of Years Ago!

18.1K views1 day ago

YouTubeOrigins Explained

Have Aliens Been Visiting Earth for Millions of Years? | Ancient Aliens | History

7.1M viewsApr 3, 2025

Ancient Aliens: Da Vinci's MIND-BLOWING Secrets Revealed | History

2.4M viewsDec 21, 2023

Humans From the Future | Ancient Aliens | History

1.8M viewsMay 8, 2025

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

1.1M views6 months ago

What NASA Knows About Mars | Ancient Aliens

541K views3 months ago

Are Meteors Sent by Aliens? (S19, E6) | Ancient Aliens | Full Episode | The UnXplained Zone

6 views2 days ago

YouTubeThe UnXplained Zone

Lost Gold Mines of Peru (S1) | Ancient Aliens

34.7K views4 days ago

See more