UFOs, Government Secrets & Hidden Knowledge | Ancient Aliens
18:43
YouTubeHISTORY
UFOs, Government Secrets & Hidden Knowledge | Ancient Aliens
From secret government files to hidden knowledge of UFOs and extraterrestrial contact, Ancient Aliens investigates the mysteries authorities may have kept from the world—and the evidence that could finally reveal the truth. See more in this Ancient Aliens compilation. Watch full episodes and stay up to date on all of your favorite shows on ...
248.2K views5 months ago
Extraterrestrial Life Forms
Cosmic Megafauna - Could Giant Alien Life Forms Exist?
41:04
Cosmic Megafauna - Could Giant Alien Life Forms Exist?
YouTubeIsaac Arthur
326.6K views10 months ago
Exploring the Unknown | Alien Life Forms | Full Sci-Fi Documentary | Free Movie
1:10:11
Exploring the Unknown | Alien Life Forms | Full Sci-Fi Documentary | Free Movie
YouTubeV Movies
3K views9 months ago
The Museum of Alien Life Explained. John Boswell, Franck Marchis
43:26
The Museum of Alien Life Explained. John Boswell, Franck Marchis
YouTubeSETI Institute
7.2K viewsJan 20, 2021
Top videos
Alien Contact: How Would Humanity React? | FULL DOCUMENTARY
1:30:54
Alien Contact: How Would Humanity React? | FULL DOCUMENTARY
YouTubeNaked Science
686.7K viewsMar 9, 2025
Uncovering Alien Secrets Buried in Government Files *Marathon* | Ancient Aliens | History
2:06:25
Uncovering Alien Secrets Buried in Government Files *Marathon* | Ancient Aliens | History
YouTubeHISTORY
191.9K views7 months ago
Interstellar Secrets of Ancient Civilizations | Ancient Aliens | History
40:57
Interstellar Secrets of Ancient Civilizations | Ancient Aliens | History
YouTubeHISTORY
7.5M viewsFeb 25, 2025
Roswell Incident Documentary
Roswell: The World’s Biggest Alien Cover-Up Finally Exposed
20:33
Roswell: The World’s Biggest Alien Cover-Up Finally Exposed
YouTubeReal Stories
10.3K views2 months ago
The Roswell Incident and UFO Sightings Documentary - PART 1 | Mysteries Decoded | The CW
16:56
The Roswell Incident and UFO Sightings Documentary - PART 1 | Mysteries Decoded | The CW
YouTubeThe CW Network
95.7K views7 months ago
Infamous Roswell Incident Revealed *Marathon* | Project Blue Book
2:11:20
Infamous Roswell Incident Revealed *Marathon* | Project Blue Book
YouTubeHISTORY
34.7K views2 months ago
Alien Contact: How Would Humanity React? | FULL DOCUMENTARY
1:30:54
Alien Contact: How Would Humanity React? | FULL DOCUMENTARY
686.7K viewsMar 9, 2025
YouTubeNaked Science
Uncovering Alien Secrets Buried in Government Files *Marathon* | Ancient Aliens | History
2:06:25
Uncovering Alien Secrets Buried in Government Files *Marathon* | Ancient Aliens | History
191.9K views7 months ago
YouTubeHISTORY
Interstellar Secrets of Ancient Civilizations | Ancient Aliens | History
40:57
Interstellar Secrets of Ancient Civilizations | Ancient Aliens | History
7.5M viewsFeb 25, 2025
YouTubeHISTORY
Ancient Aliens: Evidence of Life in Outer Space | History
13:40
Ancient Aliens: Evidence of Life in Outer Space | History
412.1K viewsJul 25, 2024
YouTubeHISTORY
The Hybrid Theory: Human or Alien? | Ancient Aliens | History
32:32
The Hybrid Theory: Human or Alien? | Ancient Aliens | History
977.9K views6 months ago
YouTubeHISTORY
Ancient Aliens: Shocking Mysteries from Beyond *Marathon* | History
2:12:17
Ancient Aliens: Shocking Mysteries from Beyond *Marathon* | History
312.6K viewsApr 21, 2025
YouTubeHISTORY
Have Aliens Been Visiting Earth for Millions of Years? | Ancient Aliens | History
37:13
Have Aliens Been Visiting Earth for Millions of Years? | Ancient Aliens | History
6.9M viewsApr 3, 2025
YouTubeHISTORY
37:03
See the Alien Ties to Ancient Societies Across the World | Ancient Aliens | History
773.2K views9 months ago
YouTubeHISTORY
20:29
Forbidden Alien Knowledge Finally Told | Ancient Aliens | History
357.4K views10 months ago
YouTubeHISTORY
24:36
Uncovering the Alien Genetic Blueprint | Ancient Aliens
136.9K views4 months ago
YouTubeHISTORY
Arizona's Secret UFO Files | ALIENS UNCOVERED: ET OR MAN-MADE | The Hidden History Beyond Roswell
1:19:43
Find in video from 03:39Understanding UFO
Arizona's Secret UFO Files | ALIENS UNCOVERED: ET OR MAN-MADE …
157.1K viewsMay 5, 2024
YouTubeFilmIsNow Movies
33:12
Lost Civilizations Beyond History | Ancient Aliens
562.1K views2 months ago
YouTubeHISTORY
41:19
What NASA Knows About Mars | Ancient Aliens
496.9K views2 months ago
YouTubeHISTORY
2:55:22
Strange Conspiracies & Advanced Knowledge *Marathon* | Ancient Aliens | History
353.2K views10 months ago
YouTubeHISTORY
19:11
Ancient Aliens: Hidden UFO SECRETS EXPOSED by Foreign Governments | History
208.8K viewsAug 22, 2024
YouTubeHISTORY
1:01:51
Exposing Government Secrets! | ALIEN AND UFO ENCOUNTERS: THE TOP 20
393.8K viewsApr 28, 2024
YouTubeFilmIsNow Movies
45:56
Groundbreaking & Unexplainable Technology | Ancient Aliens | History
2M views10 months ago
YouTubeHISTORY
44:25
Experts Reveal What Really Happened (Full Episode) | Area 51: The CIA's Secret
9.2M viewsJun 23, 2024
YouTubeNational Geographic
35:15
The Moon's Mysteries Revealed | Ancient Aliens | History
1.4M viewsApr 8, 2025
YouTubeHISTORY
2:07:26
Mysterious Devices of the Gods *Marathon* | Ancient Aliens
330.2K views3 months ago
YouTubeHISTORY
18:31
Ancient Aliens: Inside Area 51's UFO Secrets | History
5.8M viewsMay 9, 2024
YouTubeHISTORY
35:05
Time Travel Secrets Exposed! | Ancient Aliens | History
2.7M viewsMar 11, 2025
YouTubeHISTORY
21:52
Odin’s Otherworldly Origins | Ancient Aliens
189.8K views2 months ago
YouTubeHISTORY
39:44
Unexplained Anomalies and Their Extraterrestrial Links | Ancient Aliens
634.4K views6 months ago
YouTubeHISTORY
56:30
Ancient Aliens: TOP ALIEN CONSPIRACIES OF 2024 | History
803.2K viewsDec 13, 2024
YouTubeHISTORY
18:58
Alien Mysteries of the Sea: Forbidden Islands & Deep Ocean Secrets | Ancient Aliens | History
251.8K views8 months ago
YouTubeHISTORY
9:07
Who Built the Giant Stones of Egypt? (S1) | Ancient Aliens
43.7K views1 month ago
YouTubeHISTORY
26:27
Alien Messages & Symbols: Hidden Clues from Beyond | Ancient Aliens | History
562.7K views9 months ago
YouTubeHISTORY
19:14
Ancient Aliens: The Government's Secret UFO Knowledge | History
341K viewsMay 16, 2024
YouTubeHISTORY
See more