Alien Theori Episodes - Search Videos

Alien Theories You Have to See to Believe | Ancient Aliens | Marathon | History

Alien Theories You Have to See to Believe | Ancient Aliens | Marathon | History

Did aliens really help to shape our history? See more in this two hour marathon from Ancient Aliens. Watch full episodes and stay up to date on all of your favorite shows on The HISTORY Channel website at http://history.com/schedule. #HISTORY #AncientAliens Find out more about the show and watch full episodes on our site: https://histv.co ...

509.1K viewsJun 6, 2025

Linda Moulton Howe's BIGGEST Theories Revealed | Ancient Aliens | History

Linda Moulton Howe's BIGGEST Theories Revealed | Ancient Aliens | History

The Hybrid Theory: Human or Alien? | Ancient Aliens | History

The Hybrid Theory: Human or Alien? | Ancient Aliens | History

Space Bugs, Xenomorphs and the Missing Scientists | Aliens (1986) Mysteries

Space Bugs, Xenomorphs and the Missing Scientists | Aliens (1986) Mysteries

YouTubeAlien Vault

38K views3 weeks ago

ALIEN (1979) Breakdown | Easter Eggs, Hidden Details, Directors Cut Differences & Things You Missed

ALIEN (1979) Breakdown | Easter Eggs, Hidden Details, Directors Cut Differences & Things You Missed

YouTubeHeavy Spoilers

168.1K views4 weeks ago

The NEW Complete Alien Timeline (1979 - 2025)

The NEW Complete Alien Timeline (1979 - 2025)

178.7K views7 months ago

Top videos

Most CHILLING Alien Theories *MARATHON* | Ancient Aliens

Most CHILLING Alien Theories *MARATHON* | Ancient Aliens

751K views4 months ago

Inside Look At Area 51 *New Theories Revealed!* | Ancient Aliens | History

Inside Look At Area 51 *New Theories Revealed!* | Ancient Aliens | History

10.4M viewsApr 22, 2025

The UFO Time Traveler Theory | PART 2 | SLICE EXPERTS

The UFO Time Traveler Theory | PART 2 | SLICE EXPERTS

YouTubeSLICE Experts

2 views1 day ago

Ancient Aliens Episodes

Los Franceses le robaron al Antiguo Egipto el metro (y un par de cosillas más...) 😓 Vosotros qué pensáis del misterio de las pirámides: fueron alienígenas o es el eurocentrismo? #piramides #historia #eurocentrismo #datoscuriosos

Los Franceses le robaron al Antiguo Egipto el metro (y un par de cosillas más...) 😓 Vosotros qué pensáis del misterio de las pirámides: fueron alienígenas o es el eurocentrismo? #piramides #historia #eurocentrismo #datoscuriosos

122.8K views2 weeks ago

Raja Parba Mystery: Why Periods Were Celebrated!

Raja Parba Mystery: Why Periods Were Celebrated!

YouTubeM ADVICE

23.5K views1 week ago

I don’t know how humans survived the ice age 🫩 #fyp | woolly mammoth

I don’t know how humans survived the ice age 🫩 #fyp | woolly mammoth

TikTokhoodieguyofficial1

3.5M views4 weeks ago

Including results for alien theory episodes.

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Most CHILLING Alien Theories *MARATHON* | Ancient Aliens

Most CHILLING Alien Theories *MARATHON* | Ancient Aliens

751K views4 months ago

Inside Look At Area 51 *New Theories Revealed!* | Ancient Aliens | History

Inside Look At Area 51 *New Theories Revealed!* | Ancient Aliens | History

10.4M viewsApr 22, 2025

The UFO Time Traveler Theory | PART 2 | SLICE EXPERTS

The UFO Time Traveler Theory | PART 2 | SLICE EXPERTS

2 views1 day ago

YouTubeSLICE Experts

Linda Moulton Howe's BIGGEST Theories Revealed | Ancient Aliens | History

Linda Moulton Howe's BIGGEST Theories Revealed | Ancient Aliens | History

329.3K viewsMay 1, 2025

The Hybrid Theory: Human or Alien? | Ancient Aliens | History

The Hybrid Theory: Human or Alien? | Ancient Aliens | History

1M views7 months ago

Sacred & Inexplicable Places | Ancient Aliens

Sacred & Inexplicable Places | Ancient Aliens

198.8K views4 days ago

Stan Brainwashes His Family on Father's Day (Clip) | American Dad | TBS

Stan Brainwashes His Family on Father's Day (Clip) | American Dad | TBS

12.8K views1 week ago

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

5.7M viewsMay 13, 2025

Mysteries at the Edge of the World *Marathon* | Ancient Aliens

71.3K views1 day ago

Conspiracy Theories, Time Travel & The Future of Humanity with Ninjas Are Butterflies

YouTubeBlurry Creatures Podcast

Lost Civilizations Beneath Antarctica? | Ancient Aliens | History

8.8M views11 months ago

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

7.2M viewsApr 3, 2025

Humans From the Future | Ancient Aliens | History

1.9M viewsMay 8, 2025

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

3.4M views9 months ago

Inside the Mystery of the Greys | Ancient Aliens

1.5M views5 months ago

The Moon's Mysteries Revealed | Ancient Aliens | History

1.4M viewsApr 8, 2025

HOUSE OF THE DRAGON Season 3 Episode 1 Breakdown & Ending Explained | Review, Easter Eggs & Theories

220.2K views6 days ago

YouTubeHeavy Spoilers

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

1.2M views6 months ago

Ancient Aliens: TOP UFO MYSTERIES OF 2025 | Part 1

413.2K views6 months ago

Secrets of Lost Civilizations *Marathon* | Ancient Aliens

96.2K views1 week ago

The Top Ten Scariest Encounters (S20, E4) | Ancient Aliens | Full Episode

46.7K views16 hours ago

Interstellar Secrets of Ancient Civilizations | Ancient Aliens | History

7.5M viewsFeb 25, 2025

Cosmic Secrets of Monoliths (S9, E13) | Ancient Aliens: The Ultimate Evidence | Full Episode

45.6K views3 days ago

Did a Global Disaster Hide the Truth? (S1) | Ancient Aliens

8K views20 hours ago

Alien: Earth — Theories That Actually Fit the Timeline

49.2K views10 months ago

YouTubeScreenRant

Ancient Aliens: Exposing Hidden Lunar Conspiracies | History

569.3K viewsMay 2, 2024

Extraterrestrial Moon Bases: Strange Evidence Explained | Ancient Aliens (S1, E11) | Full Episode

3.7M views11 months ago

Are We Part Alien? | Ancient Aliens

73.7K views3 months ago

Ancient Aliens: Inside Area 51's UFO Secrets | History

5.9M viewsMay 9, 2024

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