The 16 Best Documentaries About UFO And Aliens

Jul 10, 2023 | Aliens/UFO, Best Of

Are you curious about the mysteries of UFOs and aliens? If so, you’re in luck because there is an abundance of research material available to explore. From government cover-ups to strange lights in the sky, these documentaries provide a comprehensive look at what could be out there beyond our world. Whether you are a believer or skeptic, these UFO documentaries will leave you with plenty of questions and answers as they dive into topics such as human-alien hybrids and secret space programs. So get ready for an exciting journey into the unknown as we present some of the best UFO documentaries that are currently available!


1. Unacknowledged: An Expose of the World’s Greatest Secret (2017)

Join Dr. Steven Greer as he unveils previously undisclosed evidence that confirms the existence of Extraterrestrial beings and their contact with Earth. Witness testimonies, classified documents, and rare UFO footage will leave you questioning everything you thought you knew about our world.






2. Secret Space UFO’s: In The Beginning (2022)

The concept of a Secret Space Program has been widely debated by researchers, sparking discussions about the truth behind hidden space activities. This film aims to shed light on these controversies and reveal evidence of NASA’s ability to conceal UFOs and other unexplained phenomena since its inception.






3. UFO Endgame to Disclosure (2023)

Dr. Steven Greer, a prominent figure in UFO research, has released groundbreaking information exposing the truth behind unidentified flying objects and highly classified technology. His revelations shed light on a topic long shrouded in secrecy and mystery.







The Best Free Documentaries About UFO And Aliens


1. LIFE BEYOND II: The Museum of Alien Life (4K)

Are you curious about the possibility of alien life in our universe? This documentary will take you to the far corners of the cosmos and explore what forms this life might take. From creatures living inside planets similar to Earth, to hostile environments on distant stars, we’ll uncover a range of possibilities in this 30-minute film. Plus, visit an incredible museum that showcases all kinds of extraterrestrial life! Join us on a journey into outer space and unlock some mysteries about UFOs and aliens.


2. How Is NASA Contacting Aliens?

This remarkable documentary dives into the world of extraterrestrial life and how we as humans try to communicate with it. It is a must-watch for anyone interested in UFOs and aliens, exploring the question that has been asked for centuries: Is the time almost here when we can reach out to them? This 50-minute documentary reveals all this and more, going deep into NASA’s efforts to contact alien life forms.


3. The UFO Phenomenon

Are you looking for a documentary that will give you the answers to one of the biggest questions of all time – are we alone? Then this is the video for you! This explosive and groundbreaking documentary delves deep into evidence about unidentified flying objects, with insight from government officials, astronauts, scientists, and leading researchers. Featuring interviews in Australia and America, this UFO documentary provides compelling proof that there might be more than meets the eye when it comes to extraterrestrial life. Don’t miss out on Ross Coulthar’s award-winning investigation – watch now!


4 . Flying Objects A State Secret

Are you curious about Unidentified Flying Objects (UFOs)? Have you heard of the Pentagon UFO videos? In this documentary, we will be uncovering the secrets behind UFOs and aliens. We’ll explore a wide array of UAP and UFO sightings from around the world, as well as discuss recent happenings that have been revealed by government and military organizations. Get ready to learn more about UFOs than ever before! This documentary is short, precise and straight-to-the-point – perfect for those who want to know more without going into too much detail.


5. The Alien Files: UFOs Under Investigation

Are you curious about the mysteries of UFOs and aliens? In this documentary series, you’ll get an in-depth look into the history of unidentified flying objects and the legality of UFOlogy. We explore some of the most well-known UFO investigations that still remain unsolved to this day. Plus, we bring you up to date on the latest discoveries related to UFOs. Join us as we take a state-of-the-art scientific view into this fascinating topic!


6. Are we Alone?

Are there other forms of life out in the universe? This documentary explores this question by looking into the efforts humans have made to find extraterrestrial life. We look back at humanity’s attempt to send a greeting from Earth with discs launched in the 70s, and hear from experts who have been tracking radio signals for many years without success. Then we delve into what components are necessary for intelligent civilizations to exist. The narrator takes us on an exploration that may surprise you!


7. Is There Evidence Of Alien Life Already?

Are you looking to find out more about UFO and Aliens life? Then this documentary is for you! In “Is There Evidence of Alien Life Already”, explore the legitimacy behind a massive cover-up and if Earth can afford to ignore extraterrestrial signs any longer. Find out why the government went to great lengths in order to conceal overwhelming proof that otherworldly creatures exist. This short film will answer questions related to aliens, UFOs, and so much more.


8. Insane UFO Encounters: Top 20 Aliens Encounters of All Time

Are you curious about UFOs and otherworldly life? With sightings by reliable witnesses from around the world, it’s hard to deny that there may be something more out there than we know. In this documentary, explore the top 20 most extraordinary alien encounters from all corners of the globe. From explanations that defy our current understanding of science and psychic phenomena, to capabilities beyond human comprehension – get ready for a truly mind-blowing experience!



In this documentary, Tony Harris takes us on a journey to investigate some of the most mysterious videos, photos, audio recordings and more. Using the best technology and experts available we will discover giant beasts, UFOS, apocalyptic sounds, hairy humans and alleged mutants from the deep. We’ll also look into conspiracies surrounding these topics as well as highlight credible evidence in an attempt to better understand our world.


10. UFOs & a controversial documentary | Newsmaker

Are UFOs real? In this documentary, we explore the mysterious and strange phenomenon that has been reported around the world. From UAPs to unidentified anomalous phenomena, join us as we uncover why this topic has become mainstream in recent years with government inquiry. We also hear from filmmaker Charlie Minn who created “77 Minutes: Surviving the Uvalde Mass Shooting,” which provides insight into a mass shooting incident in Texas related to UFO sightings. Get ready for an intriguing exploration of extraterrestrial life and what it could mean for our future!



This collection of documentaries examines the evidence behind UFO and extraterrestrial life. Combining witness interviews with examination of physical evidence, it looks at a range of phenomena such as crop circles, alien abductions, close encounters, and even government cover-ups. From Roswell to Area 51, get ready to be mesmerized by these 13 best documentaries about UFOs and aliens!


12. Best Alien Documentaries

From alien abductions to extraterrestrial encounters, these are the stories that intrigue and fascinate us. The lively debate about whether life exists beyond Earth has captivated audiences for decades. Join us as we explore the 13 best documentaries about UFO and aliens life. First up is an American classic: “Close Encounters of the Third Kind” (1977). It tells a story of a man’s close encounter with a mysterious spacecraft in Wyoming.


13. Alien Cover-Ups by the US Government

Have you ever wondered if there is a conspiracy to cover up the existence of aliens and UFOs? It’s a topic that has been discussed for decades, with many believing that governments have knowledge or evidence about extraterrestrial life that they are refusing to share. Documentaries such as “Out of the Blue”, “UFO Secrets: Inside Walter Reed”, and “Area 51 Declassified” all examine this controversial subject in-depth. From testimonies from former military personnel to analysis of declassified documents, these documentaries provide an insight into some of the possible alien encounters and government secrets involving UFO activity over the years.

Read On – Our Latest Top Documentaries Lists

David B