All
Search
Images
Videos
Maps
News
More
Shopping
Flights
Travel
Notebook
Report an inappropriate content
Please select one of the options below.
Not Relevant
Offensive
Adult
Child Sexual Abuse
Length
All
Short (less than 5 minutes)
Medium (5-20 minutes)
Long (more than 20 minutes)
Date
All
Past 24 hours
Past week
Past month
Past year
Resolution
All
Lower than 360p
360p or higher
480p or higher
720p or higher
1080p or higher
Source
All
Dailymotion
Vimeo
Metacafe
Hulu
VEVO
Myspace
MTV
CBS
Fox
CNN
MSN
Price
All
Free
Paid
Clear filters
SafeSearch:
Moderate
Strict
Moderate (default)
Off
Filter
22:20
YouTube
HISTORY
Ancient Aliens: Mystic Aztec Connections to ETs and UFOs
Ancient Aliens: Mystic Aztec Connections to ETs and UFOs
1.2M views
Jun 1, 2023
Alien Documentary
56:36
Insane UFO Encounters (Full Documentary) | Top 20 UFO Cases Of ALL TIME
YouTube
Extreme Mysteries
3.4M views
Oct 9, 2021
1:17:58
The Truth About Aliens & UFOS (Extra-Terrestrial Documentary) | Absolute Documentaries
YouTube
Absolute Documentaries
2.8M views
Oct 6, 2021
2:16
The Alien Perspective - Official Trailer (2025) Documentary
YouTube
IGN Movie Trailers
144K views
8 months ago
Top videos
16:28
TOP 4 INSANE ALIEN ENCOUNTERS | The Proof Is Out There
YouTube
HISTORY
2.9M views
Aug 20, 2022
47:17
Discovery Channel Alien Safari | National Geographic Nova space Documentary 2017
YouTube
Team Ingenious
11.6K views
Aug 31, 2017
5:39
Ancient Aliens: Stars Guide an Ancient Tribe to Otherworldly Beings (Season 5) | History
YouTube
HISTORY
737K views
Apr 29, 2021
Roswell Incident Footage
3:28
Roswell Season 1 Official Trailer
YouTube
andy k designs
58.7K views
Dec 5, 2022
1:16:00
Roswell | The Most In-Depth Investigation Ever | Full Sci-Fi Alien Documentary | Roswell Crash
YouTube
The Unexplained Universe
25K views
Mar 18, 2024
1:22:53
Roswell's First Witness Testimonial | History's Greatest Mysteries (S1, E5) | Full Episode
YouTube
HISTORY
668.5K views
4 months ago
16:28
TOP 4 INSANE ALIEN ENCOUNTERS | The Proof Is Out
…
2.9M views
Aug 20, 2022
YouTube
HISTORY
47:17
Discovery Channel Alien Safari | National Geographic Nova space
…
11.6K views
Aug 31, 2017
YouTube
Team Ingenious
5:39
Ancient Aliens: Stars Guide an Ancient Tribe to Otherworldly Bei
…
737K views
Apr 29, 2021
YouTube
HISTORY
4:13
Ancient Aliens: Extraterrestrial Abduction in Ancient Mecca (Seas
…
419K views
Jul 29, 2021
YouTube
HISTORY
4:52
UFO Visits Roosevelt's Home | Ancient Aliens (Season 1)
266.7K views
Dec 31, 2022
YouTube
HISTORY
1:26
Alien 'filmed' in America
1.3M views
Jun 7, 2008
YouTube
On Demand Entertainment
45:01
Scary UFO and Alien ★ Documentary Discovery Channel
189.2K views
Feb 11, 2017
YouTube
Documentary Discovery Channel
4:06
Ancient Aliens: UFO Cover-Up Inside the U.S. Government (Seas
…
564.5K views
May 27, 2021
YouTube
HISTORY
42:40
Alien Abduction Diaries - TV Show/Documentary - 2002
1.8K views
Jul 15, 2021
YouTube
Unidentified Flying Dutchman
12:21
Top 10 Best Alien Documentaries
916.4K views
Jan 1, 2020
YouTube
WatchMojo.com
1:28:14
Out Of The Blue - UFO Documentary
305.1K views
Jan 1, 2012
YouTube
Simon H
46:34
The Alien Files: UFOs Under Investigation (Full Episode S1|E6)
652.5K views
Jun 26, 2021
YouTube
Extreme Mysteries
50:48
What Happens If We’re Contacted By Aliens?
16.8M views
Mar 11, 2019
YouTube
Spark
45:02
The Alien Files: UFOs Under Investigation (Full Episode S1|E12)
462.6K views
Jul 4, 2021
YouTube
Extreme Mysteries
46:00
THE UNEXPLAINED - HAUNTINGS - Discovery Paranormal Supernatur
…
380.2K views
Mar 18, 2015
YouTube
StrangeAndParanormalDocumentaries
4:26
Ancient Aliens: Project Blue Book Proves UFO Phenomenon (Seaso
…
371.4K views
Mar 4, 2021
YouTube
HISTORY
13:19
Where are all the aliens? | Stephen Webb
4.5M views
Aug 16, 2018
YouTube
TED
4:19
Ancient Aliens: Incredible Area 51 Secrets Revealed (Season 15) | Hi
…
3M views
Mar 18, 2021
YouTube
HISTORY
3:54
Ancient Aliens: A Pyramid in Antarctica (Season 11, Episode 1)
…
2.3M views
Nov 14, 2018
YouTube
HISTORY
2:40:04
🎥 Documentary - Unsealed Alien files - ep 3-12
2.3M views
Nov 27, 2019
YouTube
ledrack
51:03
Real Life Alien Encounters | Weird or What? | Ft. William Shatner | Do
…
1.3M views
Feb 23, 2021
YouTube
Documentary Central
43:06
If Aliens Ever Arrived on Earth | Alien Encounters (Full Episode)
2M views
Sep 26, 2019
YouTube
Science Channel
1:47
Investigation Alien | Official Trailer | Netflix
1.7M views
10 months ago
YouTube
Netflix
8:35
Ancient Aliens: TRUTH UNCOVERED By UFO Investigatio
…
395.7K views
Mar 25, 2023
YouTube
HISTORY
12:51
Ancient Aliens: China's Extraterrestrial Legends
459.2K views
Jan 4, 2024
YouTube
HISTORY
6:54
Ancient Aliens: Atlantis' Extraterrestrial Connection (Seaso
…
713K views
Mar 24, 2022
YouTube
HISTORY
5:14
Ancient Aliens: NASA’s Untold Extraterrestrial Encounter (Seaso
…
1.8M views
Oct 28, 2021
YouTube
HISTORY
1:03:10
ALIEN CONTACT (Episode 1) - ALIEN AND UFO ENCOUNTERS F
…
3.5M views
Feb 15, 2022
YouTube
Extreme Mysteries
18:31
Ancient Aliens: Inside Area 51's UFO Secrets
5.7M views
May 9, 2024
YouTube
HISTORY
See more videos
More like this
Feedback