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 6 episodes

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

← Season 5

Episode 1

The World Beneath Our Feet

42m7.5 / 10

Humanity has launched satellites into outer space and submarines to the ocean floor, but the ground below Earth's surface remains shrouded in mystery. Are there profound secrets buried beneath layers of rock, or hidden in vast caves? Can the subterranean world below shed light on humanity's past, or even its future?

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Episode 2

The Time Travelers

42m7.9 / 10

A look at whether time travel has already occurred, on purpose or by accident, and scientists who believe it is theoretically possible.

Episode credits

Guest stars Iwan Morus

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Episode 3

Secrets of Ancient Structures

42m7.3 / 10

Scattered across the globe lie mysterious ruins that are buried in sand-swept deserts, perched atop towering mountains, and shrouded in the heart of dense jungles. These age-old structures stand as silent sentinels from the past, their true history seemingly erased by time. Can modern archaeology unravel the enigma of how-and why-these wonders were built?

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Episode 4

Mysteries of the Vikings

42m8.0 / 10

During the Middle Ages, the Vikings were infamous for being a bloodthirsty band of seafaring warriors; historians are learning surprising new things about this Norse society.

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Episode 5

Strange Stories of the Presidents

42m7.3 / 10

There are many bizarre tales involving U.S. presidents that defy explanation and are still shrouded in mystery.

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Episode 6

Bizarre Afflictions

42m7.3 / 10

Throughout history, tales of inexplicable maladies to both the body, and the mind, have stirred morbid curiosity and palpable fear. From mysterious wounds that appear for no apparent reason--to a peculiar madness that compels people to dance themselves to death. Are these bizarre afflictions merely fabrications of the mind? Or could they arise from unseen forces that are beyond our comprehension?

Episode credits

Guest stars Lynn Picknett

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Episode 7

Strange Technology

42m6.7 / 10

There are many puzzling artifacts from around the world that challenge everything known about the technological capabilities of distant ancestors; some ancient objects are so mysterious they've spawned endless debate and theories.

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Episode 8

Unbreakable Codes

42m7.3 / 10

There's nothing more fascinating than a code that can't be cracked. For centuries, mankind has devised ingenious ways to hide valuable information using everything from enigmatic puzzles, to complex ciphers and secret symbols. If history's unbreakable codes can be deciphered, could we unlock answers to some of the greatest mysteries of both the past and present?

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Episode 9

Strange Stories of World War II

42m7.9 / 10

During World War II, a number of persistent mysteries were born including unexplained stories about everything from lost gold, to secret societies and highly advanced technology.

Episode credits

Guest stars Lynn Picknett

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Episode 10

Monsters Among Us

42m8.0 / 10

Since the dawn of humanity, tales of monstrous creatures lurking in the shadows of our world have sparked both fascination and fear. Today, we often dismiss these accounts as the stuff of myth and legend, but are we overlooking a potentially terrifying reality? With scientists discovering as many as 18,000 new animal species every year, isn't it conceivable that there could be real-life, flesh and blood monsters living among us?

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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