All
Search
Images
Videos
Shorts
Maps
News
Copilot
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
12:21
Top 10 Best Alien Documentaries
916.7K views
Jan 1, 2020
YouTube
WatchMojo.com
1:18:48
The UFO Phenomenon | Full Documentary 2021 | 7NEWS Spotli
…
16.8M views
Sep 6, 2021
YouTube
7 News Spotlight
43:43
Secrets of the UFOs | Full Documentary | 7NEWS Spotlight
4.5M views
Dec 9, 2021
YouTube
7 News Spotlight
14:54
Top 10 Must See UFO Docs
61.1K views
Jan 24, 2024
YouTube
WatchMojo.com
3:30:10
Find in video from 41:59
Giant UFO in Texas
UFO's: Investigating the Unknown MEGA EPISODE | Secret Program
…
7.2M views
Oct 5, 2024
YouTube
National Geographic
56:36
Find in video from 00:48
The First UFO Encounter
Insane UFO Encounters (Full Documentary) | Top 20 UFO Case
…
3.4M views
Oct 9, 2021
YouTube
Extreme Mysteries
Top 10 Best Alien Documentaries | Articles on WatchMojo.com
Jan 13, 2023
watchmojo.com
1:19
Find in video from 00:17
The Live Alien Eva
'They Also Found a Live Alien' Ep. 4 Official Clip | UFO | SHOWTIME Do
…
2.2M views
Sep 2, 2021
YouTube
SHOWTIME
46:33
Find in video from 15:17
Alien Implants
The Alien Files: UFOs Under Investigation (Full Episode S1|E7)
285.7K views
Jun 28, 2021
YouTube
Extreme Mysteries
14:00
Alien life on Earth | Outsiders | VPRO Documentary
239.5K views
Feb 14, 2021
YouTube
vpro documentary
46:34
The Alien Files: UFOs Under Investigation (Full Episode S1|E5)
580.8K views
Jun 25, 2021
YouTube
Extreme Mysteries
1:29
'Mislead the Public' Ep. 3 Official Clip | UFO | SHOWTIME Document
…
360K views
Aug 25, 2021
YouTube
SHOWTIME
2:16
The Alien Perspective - Official Trailer (2025) Documentary
153.5K views
Dec 20, 2024
YouTube
IGN Movie Trailers
1:11
Find in video from 00:26
Marsh Gas and UFO Sightings
'Project Blue Book' Ep. 1 Official Clip | UFO | SHOWTIME Document
…
290.2K views
Aug 11, 2021
YouTube
SHOWTIME
46:34
Find in video from 01:27
UFO Concerns and Project SIG
The Alien Files: UFOs Under Investigation (Full Episode S1|E4)
1.1M views
Jun 24, 2021
YouTube
Extreme Mysteries
46:33
The Alien Files: UFOs Under Investigation (Full Episode S1|E8)
1.1M views
Jun 30, 2021
YouTube
Extreme Mysteries
1:00:49
Find in video from 07:02
The Beginning of the UFO Story
UFO: The Inside Story of the US Government's Search for Alien Lif
…
30.2K views
Jul 14, 2024
YouTube
The Aspen Institute
45:02
Find in video from 00:10
Introduction to UFO Stories
The Alien Files: UFOs Under Investigation (Full Episode S1|E12)
463.1K views
Jul 4, 2021
YouTube
Extreme Mysteries
1:05:08
Find in video from 13:01
The Alien face in Antarctica
Alien Artifacts - The Outer Dimensions (Full Documentary)
235.1K views
Jun 17, 2023
YouTube
Extreme Mysteries
$
Investigation Alien
Nov 8, 2024
Netflix
29:04
ALIEN CHRONICLES (S1E11) - TRAVIS WALTON - ALIEN AND UF
…
217.1K views
Jul 26, 2022
YouTube
Extreme Mysteries
1:01:37
Find in video from 03:02
The Role of Office of Naval Intelligence in UFO Research
ALIEN CHRONICLES (S1E3) - DOC WARE - ALIEN AND UFO ENCOUN
…
178.7K views
Jun 14, 2022
YouTube
Extreme Mysteries
24:02
ALIEN CHRONICLES (S1E1) - ALIEN AND UFO ENCOUNTERS FROM A
…
273.8K views
May 11, 2022
YouTube
Extreme Mysteries
2:28:38
Joe Rogan Experience #1976 - James Fox
776.7K views
Jun 27, 2024
YouTube
PowerfulJRE
2:03:26
Dr. Steven Greer Shows 3 Alien Photos, Congress UFO Hearing, A
…
1.5M views
Nov 20, 2024
YouTube
djvlad
1:17:27
Find in video from 01:20
The Alien Abduction
Unearthly Encounters | ALIEN ABDUCTION: THE STRANGEST U
…
1.2M views
May 26, 2024
YouTube
FilmIsNow Movies
20:30
Find in video from 00:11
Introduction of How Alien Isolation Survived its Difficult Development | Noclip
The Design of Alien: Isolation - Noclip Documentary
284.6K views
Oct 26, 2020
YouTube
/noclip
46:34
The Alien Files: UFOs Under Investigation (Full Episode S1|E9)
786.8K views
Jul 1, 2021
YouTube
Extreme Mysteries
45:59
Find in video from 00:19
Introduction to UFO Hunters
The Alien Files: UFOs Under Investigation (Full Episode S1|E1)
340.6K views
Jul 27, 2021
YouTube
Extreme Mysteries
1:31
Find in video from 00:06
The Fascination with UFOs
Classified UFO documents released
376.3K views
Jan 22, 2015
YouTube
CNN
See more videos
More like this
Feedback
