Scary UFO and Alien ★ Documentary Discovery Channel
45:01
Scary UFO and Alien ★ Documentary Discovery Channel
189.3K viewsFeb 11, 2017
YouTubeDocumentary Discovery Channel
Viewers Dig Discovery Channel's 'Walking with Dinosaurs'
1:36
Viewers Dig Discovery Channel's 'Walking with Dinosaurs'
41.3K viewsJun 18, 2015
YouTubeDiscovery Inc
The Alien Files: UFOs Under Investigation (Full Episode S1|E6)
46:34
The Alien Files: UFOs Under Investigation (Full Episode S1|E6)
653.1K viewsJun 26, 2021
YouTubeExtreme Mysteries
What Happens If We’re Contacted By Aliens?
50:48
What Happens If We’re Contacted By Aliens?
16.8M viewsMar 11, 2019
YouTubeSpark
The Alien Files: UFOs Under Investigation (Full Episode S1|E12)
45:02
The Alien Files: UFOs Under Investigation (Full Episode S1|E12)
463K viewsJul 4, 2021
YouTubeExtreme Mysteries
The Compelling Evidence That Aliens Have Visited Earth
8:44
The Compelling Evidence That Aliens Have Visited Earth
1.7M viewsFeb 26, 2016
YouTubeWhatCulture
THE UNEXPLAINED - HAUNTINGS - Discovery Paranormal Supernatural (full documentary)
46:00
THE UNEXPLAINED - HAUNTINGS - Discovery Paranormal Supernatur…
382.7K viewsMar 18, 2015
YouTubeStrangeAndParanormalDocumentaries
3:19
Ancient Aliens: HIDDEN ALIEN CODE IN DNA UNCOVERED (Seas…
967.3K viewsFeb 25, 2020
YouTubeHISTORY
4:19
Ancient Aliens: Incredible Area 51 Secrets Revealed (Season 15) | Hi…
3M viewsMar 18, 2021
YouTubeHISTORY
3:54
Ancient Aliens: A Pyramid in Antarctica (Season 11, Episode 1) …
2.4M viewsNov 14, 2018
YouTubeHISTORY
44:35
Discovery Channel Documentary on AlUla "Architects of Ancient Arabi…
10.1M viewsApr 16, 2021
YouTubeExperience AlUla
1:47
Investigation Alien | Official Trailer | Netflix
1.7M viewsOct 11, 2024
YouTubeNetflix
8:35
Ancient Aliens: TRUTH UNCOVERED By UFO Investigatio…
396.3K viewsMar 25, 2023
YouTubeHISTORY
40:03
The Aveley Extraterrestrial Abduction | Documentary
846.1K viewsAug 13, 2023
YouTubeThe Paranormal Scholar
7:23
Ancient Aliens: UFO Investigation Reveals Another Dimension (Seas…
1M viewsAug 11, 2022
YouTubeHISTORY
17:01
Ancient Aliens: TOP 4 MESMERIZING ALIEN STRUCTUR…
428K viewsMar 30, 2023
YouTubeHISTORY
12:51
Ancient Aliens: China's Extraterrestrial Legends | History
463.6K viewsJan 4, 2024
YouTubeHISTORY
1:03:10
ALIEN CONTACT (Episode 1) - ALIEN AND UFO ENCOUNTERS F…
3.5M viewsFeb 15, 2022
YouTubeExtreme Mysteries
18:31
Ancient Aliens: Inside Area 51's UFO Secrets | History
5.8M viewsMay 9, 2024
YouTubeHISTORY
1:01:25
ALIEN - PRESIDENT CONNECTION | Alien Chronicles: Alien UFO Enco…
847.7K viewsAug 13, 2022
YouTubeExtreme Mysteries
5:31
Ancient Aliens: CIA Analyst Discovers UFO Base In Alaska (S19)
614.6K viewsMay 13, 2023
YouTubeHISTORY
45:56
Groundbreaking & Unexplainable Technology | Ancient Aliens | Hist…
1.5M views6 months ago
YouTubeHISTORY
19:37
Ancient Aliens: TOP 3 DEEP SEA UFO MYSTERIES | History
2M viewsJun 15, 2023
YouTubeHISTORY
1:01
Aliens Abductions UFOS | Official Trailer | A Tubi Original
13.7K viewsJul 6, 2022
YouTubeTubi
2:16
The Alien Perspective - Official Trailer (2025) Documentary
151.4K viewsDec 20, 2024
YouTubeIGN Movie Trailers
1:01:33
ALIEN CONTACT (Ep 2) - ALIEN AND UFO ENCOUNTERS FROM A…
3M viewsFeb 22, 2022
YouTubeExtreme Mysteries
12:21
Top 10 Best Alien Documentaries
916.9K viewsJan 1, 2020
YouTubeWatchMojo.com
12:38
Ancient Aliens: TOP 3 EXTRA-TERRESTRIAL ENCOUNTERS TH…
356.3K viewsApr 22, 2023
YouTubeHISTORY
20:41
Ancient Aliens: 5 SHOCKING Mysteries Beneath Polar Ice | Hist…
4.2M viewsMar 21, 2024
YouTubeHISTORY
See more videos
Static thumbnail place holder