The Best Ancient Mysteries & UFOs Documentaries
99 hand-picked Ancient Mysteries & UFOs documentaries, free to watch in HD and 4K on Dr Documentary.
Life Beyond II: The Museum of Alien Life (4K)2020•38m•4K•★9.2
Life Beyond: Visions of Alien Life (4K)2024•1h 48m•4K•★9.1
Is Alien Life Hiding in Our Solar System?2025•52m•4K•★8.3
The Ancient Mystery of Cambodia's Lost Capital2022•34m•HD•★8.3
Unexplained Mysteries in the Milky Way Galaxy - Space Documentary 20242024•4h 41m•4K•★8.2
Unexplained Science Mysteries in the Universe — Space Documentary 20242024•4h 27m•4K•★8.2
Unexplained Mysteries of the Universe2025•3h 8m•4K•★8.2
Unexplained Mysteries of the Cosmos - Space Documentary 20242024•2h 38m•4K•★8.2
Ancient Mysteries of the World: Sphinx, Atlantis, Pyramids and More2025•1h 30m•4K•★8.2
The Tic Tac UFO: Can This Sighting Be Explained?2024•8m•HD•★8.2
This Planet Has 95% Possibility of Alien Life2023•9m•4K•★8.1
UK's Most Shocking Frozen Drugs Conspiracy Exposed2025•27m•4K•★8.1
Fact vs FIction: The Bermuda Triangle2026•50m•HD•★8.0
What Satellite Technology Teaches Us About Stonehenge2026•50m•HD•★8.0
Who Really Killed JFK? The Greatest Conspiracy of All Time Exposed2026•54m•HD•★8.0
The Strange and Alien Moons of Our Solar System2026•1h 18m•HD•★8.0
Alien Contact: How Would Humanity React?2025•1h 30m•HD•★8.0
The Alien Moons at the Edge of Our Solar System2025•36m•HD•★8.0
The Sunken Cities That Inspired the Myth of Atlantis2026•50m•HD•★8.0
Every Possible Outcome of Humans Making Contact With Aliens2025•50m•HD•★8.0
Did These People Actually Meet Aliens?2026•42m•HD•★8.0
The Light Bulb Conspiracy (Extended Version)2010•1h 15m•HD•★8
The Light Bulb Conspiracy: Planned Obsolescence2010•1h 15m•HD•★8
The Full USS Nimitz UFO Tic Tac Story2024•40m•HD•★8
Roswell: The World's Biggest Alien Cover-Up Finally Exposed2026•21m•HD•★8
The Betty Hill Abduction Case: Scientists Examine Her Dress for Alien DNA2026•47m•HD•★8.0
The Assassination of President Lincoln: The Full Story of the KGC Conspiracy2026•43m•HD•★8.0
Conspiracy in the Harem: Was Ramses III Murdered by His Wives?2026•52m•HD•★8.0
True Crime History: The Pazzi Conspiracy Against the Medici2026•53m•HD•★8.0
Debunking Earth's Most Infamous UFO Sightings2025•50m•HD•★8.0
Atlantis2013•50m•HD•★8.0
Alien Contact2013•50m•HD•★8.0
Who Built Stonehenge?2013•50m•HD•★8.0
World of Mysteries - Bermuda Triangle2014•51m•HD•★8.0
Universe: Beyond the Millennium - Alien Life1999•50m•HD•★8.0
Alien Encounters You Won't Believe - Ancient Aliens - History2022•57m•HD•★8
Aliens Undercover: The Real Men in Black Exposed2026•43m•HD•★8.0
The Global Junk Food Conspiracy2021•51m•HD•★8.0
Life Beyond: Chapter 1. Alien Life, Deep Time, and Our Place in Cosmic History2019•30m•HD•★8.0
Life Beyond 3: In Search of Giants. The Hunt for Intelligent Alien Life2021•43m•HD•★8.0
World of Mysteries - On the Trail of Bigfoot2014•51m•HD•★8.0
Did Putin Kill Prigozhin in a Plane Crash? Unraveling the Wagner Conspiracy2025•46m•HD•★8.0
Unravelling the Mystery of the Bermuda Triangle2023•50m•HD•★8.0
Alien Storms: What Would Happen If Storms From Other Planets Hit Earth?2025•2h 30m•HD•★8.0
How Close Are We to Meeting Aliens?2024•50m•HD•★8.0
World War A - When Aliens Attack2022•53m•HD•★8.0
Tiwanaku: The South American Stonehenge2018•48m•HD•★8.0
World of Mysteries - Lost City of Atlantis2015•51m•HD•★8.0
The Ongoing Search for Alien Life2023•48m•HD•★8.0
Why Does the Government Deny the Truth About Alien Activity?2020•46m•HD•★8.0
The 9/11 Files: From Cover-Up to Conspiracy2025•29m•HD•★7.9
JFK Conspiracy: A Government Plot?2023•2h 15m•HD•★7.9
The Secret Pentagon UFO Program2024•42m•HD•★7.9
UFO Government Files Declassified2025•43m•HD•★7.9
Lost Civilizations Beyond History | Ancient Aliens2026•33m•HD•★7.9
Lost Civilizations Beneath Antarctica? | Ancient Aliens | History2025•37m•HD•★7.9
The Grand COVID Conspiracy - Full Episode Recap Conspiracies and Cover-Ups | Discovery2026•26m•HD•★7.9
The Roswell Incident and UFO Sightings2025•17m•HD•★7.9
THE CONSPIRACY THEORY OF EVERYTHING2025•3h 23m•HD•★7.9
When the US Military Confronted a UFO | Close Encounters 2052026•21m•4K•★7.8
Government Breaks Silence: Strange Encounters | UFO's Investigating the Unknown2024•42m•4K•★7.8
UFO Truths Exposed | UFOs: Investigating the Unknown MEGA Episode | National Geographic2026•2h 12m•4K•★7.8
Antarctica: The Alien Continent (4K)2025•32m•4K•★7.8
Alien Encounters (Full Episode) | UFOs: Investigating the Unknown | National Geographic2026•44m•4K•★7.8
UFO Sightings at Nuclear Bases (Full Episode) | UFOs: Investigating the Unknown2023•42m•4K•★7.8
Alien (Featuring Will Smith) | Full Episode | One Strange Rock2021•47m•4K•★7.8
Six Police Officers Chased This UFO | Close Encounters 2032026•21m•4K•★7.8
Are We Alone? The Search for Alien Life | UFOs: Investigating the Unknown | Nat Geo2026•44m•4K•★7.8
Uncovering the Ancient History of Stonehenge (Full Episode) | Lost Cities with Albert Lin2024•44m•4K•★7.8
The UFO That Terrorized an Amazon Village | Close Encounters 2042026•21m•4K•★7.8
UFO Hunters: Alien Surveillance at Secret Government Facilities (S3, E9) | Full Episode | History2021•45m•HD•★7.8
World Religions Inspired By Aliens? | Ancient Aliens2026•44m•HD•★7.8
Seen in the Dark? The Sasquatch Surveillance Project: Bigfoot Beyond the Trail2026•1h 17m•HD•★7.8
Aliens in Australia | Ancient Aliens2026•37m•HD•★7.8
Why We May Be Surrounded by Older Alien Civilizations2020•33m•HD•★7.8
The Monroe Monster Mystery : Bigfoot is Still Out There! - FULL MOVIE (new witnesses come forward)2025•1h 4m•HD•★7.8
Could God Be An Alien? | Ancient Aliens2026•39m•HD•★7.8
Could These Monuments Transfer Electricity? | Ancient Aliens2026•40m•HD•★7.8
Ancient Aliens and the New World Order2024•1h 16m•HD•★7.8
The Most Likely Place to Find Aliens2026•39m•HD•★7.8
Lost Technologies of Ancient Civilizations | Ancient Aliens2026•44m•HD•★7.8
UFOs, Government Secrets & Hidden Knowledge | Ancient Aliens2025•19m•HD•★7.8
On the Trail of Bigfoot: The Journey2023•1h 36m•HD•★7.8
A mysterious VHS tape, a military bunker, and UFO sightings near Ottawa | UFO Town2021•44m•HD•★7.8
Sasquatch Legacy - New Canadian Bigfoot Documentary featuring Jason Hewlett2025•1h 27m•HD•★7.8
Howls in the Cascades: Bigfoot Beyond the Trail2026•1h 3m•HD•★7.8
The Nantahala Bigfoot Pursuit - Smoky Mountain Sasquatch Search2025•1h 2m•HD•★7.8
“This Isn’t Just AI. It’s ALIEN Intelligence” | Full-Length Documentary2026•1h 2m•HD•★7.8
In Search of the Kiamichi Mountain Sasquatch: Bigfoot Beyond the Trail (Oklahoma investigation)2026•1h 6m•HD•★7.8
Into the Red River Gorge - Bigfoot Beyond the Trail (New Sasquatch Investigation Documentary)2026•1h 0m•HD•★7.8
Cops & Saucers: On the Trail of UFOs (New UAP Investigative Documentary Portage County Chase)2026•59m•HD•★7.8
Braxton County Bigfoot Encounters: Bigfoot Beyond the Trail2026•1h 0m•HD•★7.8
Shadow of Mount Hood: Sasquatch Factor (New Bigfoot Investigation Documentary)2026•59m•HD•★7.8
Bigfoot is NOT What You Think!2025•30m•HD•★7.8
America's Mass UFO Sightings - On the Trail of UFOs2026•58m•HD•★7.8
Hunt For the Appalachian Bigfoot: Valley of the Giants2026•1h 46m•HD•★7.8
Bigfoot in the USA: Viewer Encounters2026•1h 18m•HD•★7.8
Bigfoot Beyond the Trail: Bigfoot at Bumping Lake2026•1h 3m•HD•★7.8
Monster Of Morgan-Monroe : Investigation Bigfoot2026•41m•HD•★7.8About this collection
This is our one collection where the question mark is allowed to stand. It gathers 99 documentaries on the unexplained and the unproven: UFO and UAP investigations, ancient mysteries, cryptids and cover-ups. We do not tell you what to believe; we have simply picked the ones that are real, watchable films rather than auto-generated filler.
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