Did Aliens Build Ancient Power Plants? | Ancient Aliens
44:25
YouTubeHISTORY
Did Aliens Build Ancient Power Plants? | Ancient Aliens
Explore the theory that extraterrestrial beings may have influenced ancient knowledge of energy, from mysterious power sources to advanced technologies beyond their time. See more in this Ancient Aliens compilation. Stay up to date on all of your favorite shows on The HISTORY Channel website at http://history.com/schedule #AncientAliens ...
194.2K views5 days ago
Alien Theory Best Episodes
Alien Theories You Have to See to Believe | Ancient Aliens | Marathon | History
2:12:17
Alien Theories You Have to See to Believe | Ancient Aliens | Marathon | History
YouTubeHISTORY
393.7K views10 months ago
Most CHILLING Alien Theories *MARATHON* | Ancient Aliens
3:43:03
Most CHILLING Alien Theories *MARATHON* | Ancient Aliens
YouTubeHISTORY
531.8K views2 months ago
Were We Visited by Aliens Long Ago? Theories and Evidence (S11, E4) | Ancient Aliens | Full Episode
42:17
Were We Visited by Aliens Long Ago? Theories and Evidence (S11, E4) | Ancient Aliens | Full Episode
YouTubeHISTORY
1.4M views8 months ago
Top videos
Michael Shellenberger: The Government Knows More Than It's Telling Us
1:05:13
Michael Shellenberger: The Government Knows More Than It's Telling Us
YouTubeThe Free Press
6.1K views5 days ago
Are 'Alien Encounters' Experiences with Demons? | Billy Hallowell & Glenn Beck
11:39
Are 'Alien Encounters' Experiences with Demons? | Billy Hallowell & Glenn Beck
YouTubeBlazeTV
8.3K views6 hours ago
The Biggest UFO Cover-Up in History | Joe Rogan, Area 51 & Roswell! Vyom & Sufitramp!
37:50
The Biggest UFO Cover-Up in History | Joe Rogan, Area 51 & Roswell! Vyom & Sufitramp!
YouTubeSufiyan Alam
66.6K views3 days ago
Alien Theory Controversies
Are the Gods Really Returning? *Marathon* | Ancient Aliens
2:56:25
Are the Gods Really Returning? *Marathon* | Ancient Aliens
YouTubeHISTORY
232.8K views2 months ago
Did Aliens Shape Human Wars? | Ancient Aliens
23:43
Did Aliens Shape Human Wars? | Ancient Aliens
YouTubeHISTORY
53.3K views1 month ago
The Hybrid Theory: Human or Alien? | Ancient Aliens | History
32:32
The Hybrid Theory: Human or Alien? | Ancient Aliens | History
YouTubeHISTORY
919.3K views5 months ago
Michael Shellenberger: The Government Knows More Than It's Telling Us
1:05:13
Michael Shellenberger: The Government Knows More Than It'…
6.1K views5 days ago
YouTubeThe Free Press
Are 'Alien Encounters' Experiences with Demons? | Billy Hallowell & Glenn Beck
11:39
Are 'Alien Encounters' Experiences with Demons? | Billy Hallowell & G…
8.3K views6 hours ago
YouTubeBlazeTV
The Biggest UFO Cover-Up in History | Joe Rogan, Area 51 & Roswell! Vyom & Sufitramp!
37:50
The Biggest UFO Cover-Up in History | Joe Rogan, Area 51 & Ro…
66.6K views3 days ago
YouTubeSufiyan Alam
I Changed My Mind About This Alien Interview Video
51:22
I Changed My Mind About This Alien Interview Video
52.5K views1 week ago
YouTubeThe InBetween
The MOST CONVINCING Alien Sighting In History
28:24
The MOST CONVINCING Alien Sighting In History
3K views5 days ago
YouTubeRoanoke Tales
UFO Mysteries Will Shock You! *Marathon* | Ancient Aliens | History
2:12:18
UFO Mysteries Will Shock You! *Marathon* | Ancient Aliens | History
744.2K viewsApr 14, 2025
YouTubeHISTORY
Top 20 Alien Conspiracy Theories
20:43
Top 20 Alien Conspiracy Theories
93.6K viewsNov 14, 2024
YouTubeWatchMojo.com
52:36
The Nearest Planets That Could Have Alien Life
16.9K views3 days ago
YouTubeWonder
18:37
Humans Are Not From Earth? The Ryugu Asteroid Mystery Revealed
5.3K views4 days ago
YouTubeMyIndia
34:00
Inside Look At Area 51 *New Theories Revealed!* | Ancient Alie…
9.5M views1 year ago
YouTubeHISTORY
44:25
Experts Reveal What Really Happened (Full Episode) | Area 51…
9.1M viewsJun 23, 2024
YouTubeNational Geographic
1:09:50
Unsolved Alien Mysteries: from Alaska's Pyramid to the Freemaso…
3M views7 months ago
YouTubeHISTORY
21:08
The Most Mysterious Theories in Mathematics | Ancient Aliens | His…
672.6K viewsMar 6, 2025
YouTubeHISTORY
14:06
11 MISSING SCIENTISTS: The Pattern Nobody's Talking About
129.5K views1 day ago
YouTubeCaspersight
3:14:51
Alien-Human Hybrid Agenda: They’re Already Living Among Us …
39K views6 days ago
YouTubeThe Confessionals
0:44
Alien Metal From Crash Site Recovered… Scientists Can’t Expl…
17.1K views5 days ago
YouTubeMysterious Chronicles
3:07:15
Aliens on Earth LIVE: ये एलियन सिग्नल है? अंतरिक्ष से आ र…
15.8K views5 days ago
YouTubeIndia News
3:01:50
What ARTEMIS II Saw on the Moon’s Dark Side Is Terrifying — You Are…
8.9K views1 day ago
YouTubeBright Side TV
28:43
INSANE New Earth Update & Message to Humanity 2026
8.8K views6 days ago
YouTubeElizabeth April
17:20
Ancient Aliens: Exposing Hidden Lunar Conspiracies | History
568.3K viewsMay 2, 2024
YouTubeHISTORY
18:32
Ancient Aliens: The TRUTH Behind the Origins of Life | History
502.1K viewsNov 28, 2024
YouTubeHISTORY
30:07
You Won't Believe Some of the Disturbing Videos I Found Today! …
5.7K views5 days ago
YouTubeBarry Stepp
11:55:00
Aliens on Earth LIVE: ये एलियन सिग्नल है? अंतरिक्ष से आ र…
4.5K views5 days ago
YouTubeIndia News
13:40
Ancient Aliens: Evidence of Life in Outer Space | History
412.1K viewsJul 25, 2024
YouTubeHISTORY
35:30
What Are They Hiding? Alien Genetics & Skull Mysteries | Ancie…
311.7K views6 months ago
YouTubeHISTORY
20:09
Cosmic Alien Mysteries | Space's Deepest Secrets | Science Channel
14.2K views6 months ago
YouTubeScience Channel
21:57
The Afterlife: Myths vs. Facts | Ancient Aliens | History
373.9K views9 months ago
YouTubeHISTORY
9:59
What Xenomorphs See Will Terrify You
2.4K views2 days ago
YouTubeArkhamUnhinged24
1:03:10
This Alien Evidence Made Me Start Believing in Aliens | Joe Rogan
2.2K views3 days ago
YouTubeJRE Collection
See more videos
Static thumbnail place holder