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The Best Documentaries About Aliens 

Ranker Film
Updated June 14, 2019 5.2k votes 2.7k voters 348.7k views 33 items

List Rules Documentaries about aliens, UFOs, and life in worlds beyond.

List of documentaries about aliens ranked by the community. This list includes popular and recognizable titles, along with a lot of independent films about aliens and UFO sightings. What are the best documentaries about aliens? Vote on the films below to find out or add your favorite documentary about aliens if it isn't already on the list.

As you vote, the order of the list will be changed to see which documentary about aliens comes out on top. If you don't see your favorite on the list, add it along with the titles below so that others may vote on it, as well. This list currently includes titles such as Out of the Blue, with producers traveling around the world to investigate some of the most famous UFO events on record.

Documentaries are nonfiction and made with the intention of displaying reality for historical purposes and to educate those watching the film. Most documentaries are driven by independent filmmakers and those passionate about the topics they are portraying. This is especially true for documentaries about aliens, which often make incredible claims and are filled with passion.
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list ordered by
1
Out of the Blue is listed (or ranked) 1 on the list The Best Documentaries About Aliens
2003

Actors: Peter Coyote, Amir D. Aczel, Bernhard Haisch

Directed by: Boris Zubov, Tim Coleman, James Fox

Out of the Blue is a feature-length documentary on the UFO phenomenon which premiered in theatres in July 2002 and, was first shown on television in June 2003. It was produced by American ...more
2
I Know What I Saw is listed (or ranked) 2 on the list The Best Documentaries About Aliens
2009

Actors: Seth Adams, Steve Allen, Kenneth Arnold

Directed by: James Fox

3
Unacknowledged 2017 is listed (or ranked) 3 on the list The Best Documentaries About Aliens
Heather Behringer Twomey added Unacknowledged 2017 2017

Actors: Richard Doty, Giancarlo Esposito, Steven M. Greer

Directed by: Michael Mazzola

4
UFO: the Secret NASA Tra... is listed (or ranked) 4 on the list The Best Documentaries About Aliens
UFO: the Secret NASA Transmission 2001

Actors: Martyn Stubbs, Graham W. Birdsall

Directed by: Graham W. Birdsall

5
Project Blue Book is listed (or ranked) 5 on the list The Best Documentaries About Aliens
Project Blue Book 2013
6
Fastwalkers is listed (or ranked) 6 on the list The Best Documentaries About Aliens
2006

Actors: Corrado Balducci, Stephen Bassett, Graham Bethune

Directed by: Anthony Tribune Miles

For the first Time: Information you were never meant to know. Amazing UFO photos and footage you were never meant to see. Fastwalker is a code word created by NORAD to classify unidentified ...more
7
Thrive is listed (or ranked) 7 on the list The Best Documentaries About Aliens
Thrive 2010

Directed by: Foster Gamble, Steve Gagné, Kimberly Carter Gamble

Thrive is a 2011 documentary film written by Mary Earle Chase, Foster Gamble, Kimberly Carter Gamble and Neal Rogin and directed by Steve Gagné and Kimberly Carter Gamble.
8
The Day Before Disclosur... is listed (or ranked) 8 on the list The Best Documentaries About Aliens
The Day Before Disclosure 2010

Actors: Terje Toftenes, Edgar D. Mitchell, Steven M. Greer

Directed by: Terje Toftenes

The Day Before Disclosure is a 2010 documentary film directed by Terje Toftenes.
9
UFO Files: Real UFOs is listed (or ranked) 9 on the list The Best Documentaries About Aliens
UFO Files: Real UFOs 2013
10
The Disclosure Project W... is listed (or ranked) 10 on the list The Best Documentaries About Aliens
The Disclosure Project Witness Testimony 2006
11
The Billy Meier Story is listed (or ranked) 11 on the list The Best Documentaries About Aliens
The Billy Meier Story 2009
12
Citizen Hearing On UFO D... is listed (or ranked) 12 on the list The Best Documentaries About Aliens
Citizen Hearing On UFO Disclosure 2013
13
E.T. Contact They are he... is listed (or ranked) 13 on the list The Best Documentaries About Aliens
g5eronimo added E.T. Contact They are here 2017

Directed by: Caroline Cory

14
The Fourth Kind is listed (or ranked) 14 on the list The Best Documentaries About Aliens
2009

Actors: Milla Jovovich, Elias Koteas, Will Patton, Enzo Cilenti, Hakeem Kae-Kazim, + more

Directed by: Olatunde Osunsanmi

The Fourth Kind is a 2009 American science fiction-horror film directed by Olatunde Osunsanmi, starring Milla Jovovich, Elias Koteas, Corey Johnson, Will Patton, and Mia Mckenna-Bruce. The title ...more

More The Fourth Kind 

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15
Secrets About Men in Bla... is listed (or ranked) 15 on the list The Best Documentaries About Aliens
Secrets About Men in Black 2012
16
Close Encounters: Proof ... is listed (or ranked) 16 on the list The Best Documentaries About Aliens
2000

Actors: Steven Spielberg, David Duchovny, Robert Wise

Directed by: Chris Wyatt

Featuring purported proof of alien existence in the form of interviews with government scientists and astronaut Gordon Cooper, plus physical evidence from the Roswell Incident and the removal of ...more
17
The Secret: Evidence We ... is listed (or ranked) 17 on the list The Best Documentaries About Aliens
2003

Directed by: Laurent Basset

Though the official stance of the U.S. government has been to deny any knowledge or possession of evidence that would suggest authentic encounters with extraterrestrial life, many contend that ...more
18
I Believe in UFOs is listed (or ranked) 18 on the list The Best Documentaries About Aliens
I Believe in UFOs 2010
19
UFO Secret: Tunguska: Th... is listed (or ranked) 19 on the list The Best Documentaries About Aliens
UFO Secret: Tunguska: The Russian Roswell 2006

Directed by: Elliot Halmoff

In 1908, in a remote region of Siberia near the Tunguska river, a 40-megaton nuclear explosion of unknown origin literally vaporized and destroyed hundreds of square miles of forests and ...more
20
Scientific Study of Alie... is listed (or ranked) 20 on the list The Best Documentaries About Aliens
Scientific Study of Alien Implants 2010
21
UFO Chronicles: What the... is listed (or ranked) 21 on the list The Best Documentaries About Aliens
UFO Chronicles: What the President Doesn't Know 2013

Directed by: Robert Miles

22
Ancient Aliens Debunked ... is listed (or ranked) 22 on the list The Best Documentaries About Aliens
Ancient Aliens Debunked 2013

Actors: Chris White, Michael Heiser

Directed by: Chris White

23
Shag Harbour 1967 Incide... is listed (or ranked) 23 on the list The Best Documentaries About Aliens
Shag Harbour 1967 Incident 2011
24
Abduction Diaries is listed (or ranked) 24 on the list The Best Documentaries About Aliens
Abduction Diaries 2013
25
UFOs: It Has Begun is listed (or ranked) 25 on the list The Best Documentaries About Aliens
UFOs: It Has Begun 1979

Actors: William Coleman, L. Michael Drummond, José Ferrer

Directed by: Ray Rivas

UFOs: It Has Begun is a 1976 documentary film directed by Ray Rivas.