Including results for alien worlds documentary.
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Unexplained Phenomena Across the American West | Ancient Aliens
18:23
Unexplained Phenomena Across the American West | Ancient Aliens
209.6K views4 weeks ago
YouTubeHISTORY
Close Encounters with Terrifying Aliens | UFO Files
28:46
Close Encounters with Terrifying Aliens | UFO Files
107K views3 weeks ago
YouTubeHISTORY
Are Aliens Guiding Cosmic Impacts? (S19, E6) | Ancient Aliens | Full Episode
42:17
Are Aliens Guiding Cosmic Impacts? (S19, E6) | Ancient Alien…
209.4K views1 month ago
YouTubeHISTORY
Chilling Evidence of ETs Among Us *Marathon* | Ancient Aliens
2:10:24
Chilling Evidence of ETs Among Us *Marathon* | Ancient Aliens
193.8K views1 month ago
YouTubeHISTORY
The Evidence Says Yes | Ancient Aliens
28:37
The Evidence Says Yes | Ancient Aliens
168.3K views1 month ago
YouTubeHISTORY
Extraterrestrial Signs We’ve Been Visited *2 Hour Marathon* | Ancient Aliens
2:12:19
Extraterrestrial Signs We’ve Been Visited *2 Hour Marathon* | Ancien…
532.5K views2 months ago
YouTubeHISTORY
Alien Evolution, Hidden Worlds & Deep Sea Secrets *Marathon* | Ancient Aliens | History
2:06:24
Alien Evolution, Hidden Worlds & Deep Sea Secrets *Marathon* | An…
545.5K views8 months ago
YouTubeHISTORY
9:01
Alien Bodies Revealed to Lawmakers (S2) | The UnBelievabl…
26K views4 weeks ago
YouTubeHISTORY
39:22
What Governments Know About Aliens | Ancient Aliens
900.2K views2 months ago
YouTubeHISTORY
2:07:00
Mysteries Beyond Earth and Time *Marathon* | Ancient Aliens | History
307.6K views5 months ago
YouTubeHISTORY
34:51
David Childress Around the World | Ancient Aliens
218.6K views2 months ago
YouTubeHISTORY
21:54
Vanished in the Triangle | Ancient Aliens
76.7K views1 month ago
YouTubeHISTORY
21:55
Aliens Were Already Here | Ancient Aliens
364.7K views2 months ago
YouTubeHISTORY
50:02
Every Possible Outcome Of Humans Making Contact With Aliens
25.9K views4 months ago
YouTubeSpark
2:48:29
Secrets from Outer Space *Marathon* | Ancient Aliens | History
1.2M viewsMar 31, 2025
YouTubeHISTORY
35:58
Legends of Strange Creatures | Ancient Aliens
242.5K views1 month ago
YouTubeHISTORY
35:08
Gateways of the Gods | Ancient Aliens
155.2K views4 months ago
YouTubeHISTORY
4:52
What Presidents Know About UFOs | Ancient Aliens
102.7K views2 months ago
YouTubeHISTORY
24:58
Top 20 Alien Documentaries You HAVE to See
65.6K viewsMar 11, 2025
YouTubeWatchMojo.com
39:44
The Mystery of Earth’s Sacred Places | Ancient Aliens
105.1K views4 months ago
YouTubeHISTORY
45:55
The Search for Alien Life: Inside Earth’s Most Advanced Research …
47.2K views1 month ago
YouTubeSpark
47:26
Is Escape from Earth Possible? | One Strange Rock Ft. Will Smith (…
505K views4 months ago
YouTubeNational Geographic
42:11
Earth's Unsolved Mysteries (S5, E4) | The UnXplained | Full Episode
335K views2 months ago
YouTubeHISTORY
2:56:34
The Universe: EXPLORING VIOLENT ALIEN WORLDS *3 Hour Marathon…
5.3M viewsSep 17, 2023
YouTubeHISTORY
47:24
Birth of Planet Earth ft. Will Smith (Full Episode) | One Strange Rock …
665.4K views5 months ago
YouTubeNational Geographic
42:17
Were We Visited by Aliens Long Ago? Theories and Evidence (S11…
1.4M views8 months ago
YouTubeHISTORY
18:43
UFOs, Government Secrets & Hidden Knowledge | Ancient Aliens
248.2K views5 months ago
YouTubeHISTORY
1:19:42
The Search For Alien Life And a New Home | Space's Deepest Secrets | …
205K views5 months ago
YouTubeScience Channel
42:17
New Discoveries Reveal Earth’s Lost Hominid Co-Existence (S11, …
680.6K views8 months ago
YouTubeHISTORY
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