The UnXplained poster

TV series

The UnXplained

2019TV-148 seasons6.6 / 10

Explore the world’s most fascinating, strange and inexplicable mysteries. Each episode features compelling contributions from scientists, historians, witnesses and experiencers—each seeking to shed light on how the seemingly impossible actually can happen.

Streaming, rental and purchase options

Where to watch in United States

Checked Jul 22, 2026

The UnXplained is available to stream on DirecTV On Demand, Disney+, Hoopla, Hulu, Netflix, Philo, Prime Video, Amazon Freevee, Spectrum On Demand, The Roku Channel, and Tubi in United States. You can also buy it from Amazon and Fandango at Home. Use the direct links below to open the provider.

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Synopsis

Explore the world’s most fascinating, strange and inexplicable mysteries. Each episode features compelling contributions from scientists, historians, witnesses and experiencers—each seeking to shed light on how the seemingly impossible actually can happen.

Season 4 episodes

Choose an episode, then use the watch options above for the show.

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Episode 1

Mysterious Ancient Ruins

42m6.5 / 10

Ancient ruins fascinate us, and some archaeological finds are so baffling that they challenge everything we know about the past. Will we ever learn the truth about these mysterious ruins? Or will they continue to present more questions than answers?

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Episode 2

The Mystery of Genius

42m6.5 / 10

Genius is widely considered to be the ability to change the world in an incredible way: inventing new technology, deciphering the mysteries of the universe, or creating transcendent art. But where does genius come from? What is the X-factor that makes someone a genius? Is it "good genes"? A proper education? Or do geniuses tap into something much more mysterious and extraordinary?

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Episode 3

What Lies Below?

42m6.5 / 10

More than 80% of the Earth's oceans remain unexplored, and in many ways, the underwater world is the final frontier. As new technology allows us to explore oceans and deep lakes more than ever before, what will we find? Will we discover profound secrets about the oceans? Underwater ruins that were lost for thousands of years? Or perhaps something even more extraordinary?

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Episode 4

Secrets of Abandoned Places

42m8.0 / 10

From the ancient Babylonian's to modern day urban explorers, mankind has always been fascinated by abandoned places. What is the allure that draws us to these post-apocalyptic landscapes? Is it simply morbid curiosity? Or, something harder to define? Could abandoned places actually be places of 'magic'--as the ancients believed? Well, that is what we will try and find out.

Episode credits

Guest stars Lynn Picknett

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Episode 5

Acts of God

7.0 / 10

There are some events that are so destructive, so astounding, or truly miraculous -- that for the faithful -- they must be directed by the hand of the Almighty. The Great Flood. The Plagues of Egypt. Sodom and Gomorrah. Moses Parting the Red Sea.

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Episode 6

Serial Killer Creatures

6.2 / 10

The animal kingdom is full of deadly predators, and some of them attack in extraordinary and inexplicable ways. Do some animals strike back at humans for reasons beyond normal defense and hunger? Can they have emotions like anger or a desire for revenge? Despite our technological advancement, do animals pose a greater threat to us than we realize for reasons that we cannot explain?

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Episode 7

Mysterious Tombs

6.5 / 10

Throughout history, humans have buried their dead in caves or chambers, in pyramids or in some form of a tomb; ancient tombs were visual memorials for the dead; in China, a vast necropolis was constructed as a way to connect to the afterlife.

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Episode 8

Uncanny Curses

41m6.2 / 10

All over the world, there are places and objects that are thought to be cursed; many people avoid these locations and things, believing they will bring harm, while others think that curses are nothing more than superstition and folklore.

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Episode 9

Superhuman Feats

6.2 / 10

Whether surviving freezing temperatures, diving unfathomable depths in one breath, or lifting weighty objects, superhuman feats never cease to amaze; pulling them off could be a matter of training, willpower, genetics, or something more mysterious.

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Episode 10

Mysteries of the Missing Link

42m6.5 / 10

Today, human civilization spans the globe, and there are more than 7 billion people on Earth. But how did humanity evolve? Although many around the globe believe that the divine hand of God placed homo sapiens on Earth, were there other kinds of human-like creatures--cousins of man--that could have been just as intelligent as us? And if so, might these other species still exist today, perhaps in remote parts of the world?

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Episode 11

Surviving the Impossible

7.2 / 10

Humans can survive catastrophic injuries and deadly scenarios that defy the odds in ways that are inexplicable; these survivals challenge the best attempts to explain how anyone could live through such circumstances.

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Episode 12

The Search For King Arthur

42m6.5 / 10

King Arthur, England's first pop culture superhero; his exploits inspired blockbuster movies and television series like "Middle Earth", "Harry Potter", "Game of Thrones" and "Star Wars"; the significant impact of Arthurian legend on Western culture.

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Episode 13

Wonders of the Ancient World

42m6.5 / 10

Remarkable feats of engineering from our ancient past span the globe. Some are amazing in size. Others in sophistication. Some are so strange they border on inexplicable. Did the ancients have advanced scientific knowledge that has been lost to time? How--and why--did they fashion these incredible wonders?

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Episode 14

The Hunt For Jack The Ripper

42m7.0 / 10

Who was Jack the Ripper? The question has baffled police investigators, historians, and armchair detectives for over a century. Countless books, movies, and television shows have been based on the Ripper's murderous exploits each with their own unique take on the killer's identity. Was he an accomplished surgeon? A member of the British royal family? Did he actually exist at all? Over 130 years later, are we any closer to the identity of one of history's most notorious serial murderers?

Episode credits

Guest stars Lynn Picknett

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Episode 15

The Search for Extraterrestrial Life

42m6.5 / 10

Space. The Final Frontier--and the ultimate mystery. Scientists are involved in a never-ending quest to understand the vast universe our planet inhabits. But it seems that for each answer science provides, even more questions arise. Our own solar system is populated by mysterious objects and phenomenon that seem to defy our attempts to understand them. And when we get deeper into space, the mysteries only deepen. What could lay beyond the confines of the Milky Way? Are there galaxies similar to our own? Could they be capable of sustaining intelligent life? And is that life trying to contact us?

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Episode 16

Real Life Monsters

42m6.2 / 10

For centuries, fantastic tales of terrifying monsters have fascinated mankind. Bizarre beasts of all shapes and sizes have been portrayed in some of history's most classic stories and folklore. But what if these creatures were more than just works of imagination and superstition? Could these stories of legendary creatures be inspired by actual events and where does the line between fact and fiction fall? Do these famous monsters still lurk in the dark corner of our globe today?

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Episode 17

America's Lost Treasures

42m6.2 / 10

For hundreds of years there have been legends of vast treasures hidden throughout the United States. Stories of stolen gold, piracy, murderous revenge, but are these legends of lost treasures tall tales? Or is it possible that these valuables are out there, waiting to be discovered?

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Episode 18

The Bermuda Triangle and the Beyond

42m6.2 / 10

All over the world are forbidden 'triangles'--mysterious regions where ships, planes, and people enter and then just disappear. They are found in Bermuda, Alaska, Japan and elsewhere. But why? Do these locations defy the laws of physics? Or is it possible that there are some places on Earth that we are simply not meant to go?

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Episode 19

Secrets of the Founding Fathers

42m6.2 / 10

The Founding Fathers established the pillars of freedom and democracy in the United States; more than two centuries after their bold vision came to life, new information has emerged about the agendas and secrets of these important historical figures.

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Episode 20

The Weird Wild West

42m6.2 / 10

The American frontier is full of legends of cowboys, Native Americans, and outlaws. But there are also many eerie stories of cursed mountains, monsters and even UFOs. Could these tales be true? Is the Wild West much stranger than commonly though?

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Episode 21

Devastating Disasters

42m6.2 / 10

In our modern world, we tend to think that technology and scientific knowledge can help protect us from almost anything, including natural disasters. But is that really true? Or are we just as vulnerable today in the face of raging fires, violent earthquakes, and destructive hurricanes as our ancestors were in the past?

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Episode 22

Mysterious Monoliths

42m5.8 / 10finale

All over the world, there are giant monoliths that our ancient ancestors carved out of solid rock. But what was the purpose of these huge stone monuments? Did they serve some kind of ritual function? Were they intended to honor the gods? Or is it possible that, as some believe, certain monoliths were actually designed to conduct energy?

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Episode information updated Jul 24, 2026

More about The UnXplained

Cast

William ShatnerSelf - Host
Michio KakuSelf - Dr. Theoretical Physics Professor
Tok ThompsonSelf - Ph. D. Professor of Anthropology
Jim JonesSelf (archive footage)
Grand Duchess AnastasiaSelf (archive footage)
Czar Nicholas II of RussiaSelf (archive footage)
Elon MuskSelf
Michael JacksonSelf (archive footage)

Credits

Written by
Kevin Burns

Production details

Status
Returning Series
Series type
Documentary
Episodes
111
Original language
English

Networks & production

  • HistoryUnited States
  • Prometheus EntertainmentUnited States

Themes

mysteriesmysterious eventsmysterious messagesmysterious objectmysterious pastunexplainable eventsunexplainedunsolved