Most CHILLING Alien Theories *MARATHON* | Ancient Aliens
3:43:03
Most CHILLING Alien Theories *MARATHON* | Ancient Aliens
383.8K views3 months ago
YouTubeHISTORY
5 Conspiracy Theories in Missing UFO General's Disappearance
31:51
5 Conspiracy Theories in Missing UFO General's Disappearance
345.1K views2 months ago
YouTubeLaw&Crime Network
Did Aliens Predict Humanity’s End? | Ancient Aliens | History
29:52
Did Aliens Predict Humanity’s End? | Ancient Aliens | History
414.2K views6 months ago
YouTubeHISTORY
Neil deGrasse Tyson's theory of why aliens are often portrayed as evil
1:22
Neil deGrasse Tyson's theory of why aliens are often portrayed as evil
16.5K views2 months ago
YouTubeMS NOW
The Alien Origins of Human Civilization | Ancient Aliens
35:13
The Alien Origins of Human Civilization | Ancient Aliens
193.4K views3 months ago
YouTubeHISTORY
The ancient alien theory sounded possible - until the missing evidence became impossible to ignore
31:07
The ancient alien theory sounded possible - until the missing eviden…
1 month ago
MSNIsaac Arthur
Inside the Mystery of the Greys | Ancient Aliens
48:49
Inside the Mystery of the Greys | Ancient Aliens
1.5M views3 months ago
YouTubeHISTORY
40:56
Big Alien Theory
89.8K views2 months ago
YouTubeIsaac Arthur
32:32
The Hybrid Theory: Human or Alien? | Ancient Aliens | History
966.4K views6 months ago
YouTubeHISTORY
8:12
Wild Theories of Alien Bases on the Dark Side of the Moon
420.4K views11 months ago
YouTubeJRE Clips
23:46
Mesoamerica’s Alien Connection | Ancient Aliens
157.4K views3 months ago
YouTubeHISTORY
23:35
Space Secrets and NASA’s Role in the Alien Agenda | Ancient Aliens …
272.5K views8 months ago
YouTubeHISTORY
24:23
Are the Greys Already Among Us? Alien Hybrids & Robots Revealed …
688.6K views9 months ago
YouTubeHISTORY
20:27
Humans From the Future | Ancient Aliens | History
1.7M viewsMay 8, 2025
YouTubeHISTORY
1:18:32
The NEW Complete Alien Timeline (1979 - 2025)
128.6K views5 months ago
YouTubeNerdist
4:19
Dark Forest Hypothesis Explains Alien Silence and Fear | WION Pod…
885 views7 months ago
YouTubeWION
0:41
Alien Theory
Apr 5, 2025
MSNDailymotion
42:17
Extraterrestrial Moon Bases: Strange Evidence Explained | Anci…
3.7M views9 months ago
YouTubeHISTORY
6:15
Gravity Defying Alien Spacecrafts (Season 11) | Ancient Aliens | Hist…
120K views10 months ago
YouTubeHISTORY
4:17
NASA: Alien Messenger Theory Grows | NASA Silent on 3I/ATLAS …
38.7K views6 months ago
YouTubeWION
2:56
Dr. Steven Greer On The Truth About UAPs and Alien Technology
24.4K views8 months ago
YouTubeWatchMojo.com
20:09
Cosmic Alien Mysteries | Space's Deepest Secrets | Science Channel
15.3K views6 months ago
YouTubeScience Channel
8:38
Alien: Earth — Theories That Actually Fit the Timeline
49.2K views8 months ago
YouTubeScreenRant
1:04:21
Top 40 Horror Movie Theories That Turned Out to Be True and 10 Tha…
194.3K views7 months ago
YouTubeWatchMojo.com
34:00
Inside Look At Area 51 *New Theories Revealed!* | Ancient Alie…
9.9M viewsApr 22, 2025
YouTubeHISTORY
45:56
Groundbreaking & Unexplainable Technology | Ancient Aliens | Hist…
2M views10 months ago
YouTubeHISTORY
35:57
Craziest Alien UFO Crashes | Ancient Aliens | History
443.1K views11 months ago
YouTubeHISTORY
23:20
Linda Moulton Howe's BIGGEST Theories Revealed | Ancient Alien…
322.6K viewsMay 1, 2025
YouTubeHISTORY
50:46
Uncovering Alien Conspiracies | The Proof Is Out There | History
180.4K viewsMay 9, 2025
YouTubeHISTORY
0:44
8:45 p.m. - Saturday, February 21 - Alien Theory: Special Evening of T…
21K viewsFeb 20, 2015
YouTubeRMC DECOUVERTE
See more videos
Static thumbnail place holder