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The Worst Episodes of The UnXplained

Every episode of The UnXplained ranked from worst to best. Explore the Worst Episodes of The UnXplained!

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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.

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Episode Rankings

  1. #1 Worst Episode
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    The UnXplained Season 7 Episode 18 - Mysteries of the Underground
    0.0/10(0 votes)

    #1 - Mysteries of the Underground

    S7:E18

    Beneath our feet lie hidden ancient tunnels, sacred caves, and shadowy passages into a world of darkness shaped by nature, carved by man, and steeped in myth. Are these underground realms mere remnants of the past?

    Director:Unknown
    Writer:Unknown

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  2. The UnXplained Season 8 Episode 1 - Impossible Ancient Structures
    0.0/10(0 votes)

    #2 - Impossible Ancient Structures

    S8:E1

    All over the world stand ancient structures so massive, precise, and baffling that they seem impossible for not just their time, but ours as well. From colossal walls and giant stone tombs to temples carved from solid rock, how did ancient civilizations achieve feats of engineering that still defy modern understanding?

    Director:Unknown
    Writer:Unknown

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  3. The UnXplained Season 8 Episode 2 - Nightmares and Dreams
    0.0/10(0 votes)

    #3 - Nightmares and Dreams

    S8:E2

    Dreams have inspired humanity for thousands of years and in all this time, we have yet to answer one fundamental question: What is the purpose of dreams? From nightmares linked to unexplained deaths and more.

    Director:Unknown
    Writer:Unknown

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  4. The UnXplained Season 1 Episode 5 - Bizarre Rituals
    5.0/10(1 votes)

    #4 - Bizarre Rituals

    S1:E5

    Ancient practices such as prayer, blood sports, voodoo, and exorcism are often thought to be relics of bygone superstition – but there is evidence they have an impact on the physical world. Is it possible that the mind and body can use the power of ritual to tap into hidden forces that lie just beyond the grasp of conventional explanation?

    Director:Unknown
    Writer:Unknown

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  5. The UnXplained Season 1 Episode 15 - Vampires and Werewolves
    5.0/10(1 votes)

    #5 - Vampires and Werewolves

    S1:E15

    Dracula. Lycaon of Arcadia. The Beast of G vaudan. These are the names of grotesque monsters who have reared their terrifying heads throughout history. Unearthly creatures that, according to legend, thrived on human blood - and feasted on flesh. Vampires and Werewolves are human monsters, creatures of the night. But, could they actually be... real'

    Director:Unknown
    Writer:Unknown

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  6. The UnXplained Season 2 Episode 6 - Leading Double Lives
    5.0/10(1 votes)

    #6 - Leading Double Lives

    S2:E6

    Stories of those who lead double lives are both daring and baffling. What compels a person to attempt to become someone else? Is it merely for material gain, to pull off an ingenious scam? Or is there a deeper reason? At one time or another, we've all fantasized about trying on a new identity, but when does the line between impersonation and transformation get blurred? Is it possible that by pretending to be someone else, a person can actually become that person, at least in their mind?

    Director:Unknown
    Writer:Unknown

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  8. The UnXplained Season 2 Episode 8 - Mysterious Mummies
    5.0/10(1 votes)

    #7 - Mysterious Mummies

    S2:E8

    From ancient civilizations to 20th century empires, mankind has had an inexplicable fascination with preserving the dead. But why? Are we simply too attached to the living to let them go? Or could it be that death isn't really the end, but rather a transition to a new beginning?

    Director:Unknown
    Writer:Unknown

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  9. The UnXplained Season 2 Episode 10 - The Search for Atlantis
    5.0/10(1 votes)

    #8 - The Search for Atlantis

    S2:E10

    According to the Greek philosopher Plato, the lost continent of Atlantis was once home to an advanced civilization before it was destroyed in a cataclysm. But was Plato's story merely a myth? Or did Atlantis really exist? For centuries, archaeologists have tried to uncover evidence to prove that this legend is true. Will Atlantis finally be re-discovered, perhaps by employing modern technology? Or will this lost civilization remain...UnXplained?

    Director:Unknown
    Writer:Unknown

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  10. The UnXplained Season 2 Episode 11 - Extraordinary Engineering
    5.0/10(1 votes)

    #9 - Extraordinary Engineering

    S2:E11

    For centuries, humanity has been compelled to build remarkable structures that are much more than simple places of shelter or work. What makes us want to create magnificent buildings that are bigger and grander than ourselves--and last for centuries? Whether it's Stonehenge, the Notre Dame Cathedral, or the world's tallest skyscrapers--extraordinary works of engineering are evidence of a strong instinct within us that we don't fully understand. Are we trying to prove something? Or perhaps show our power over nature? Or could there be another reason that is, for now...UnXplained?

    Director:Unknown
    Writer:Unknown

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  11. The UnXplained Season 2 Episode 14 - Bizarre Vanishings
    5.0/10(1 votes)

    #10 - Bizarre Vanishings

    S2:E14

    Mysterious disappearances are confounding and bizarre and simply can't be explained. Can these be chalked up to tragic accidents? Or could they be the result of something more...UnXplained?

    Director:Unknown
    Writer:Unknown

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  12. The UnXplained Season 2 Episode 15 - Serial Killers
    5.0/10(1 votes)

    #11 - Serial Killers

    S2:E15

    The total disregard for life exhibited by serial killers shocks our sense of humanity and makes us question our safety and security. These sadistic psychopaths rarely show any remorse or empathy for the lives they've destroyed. How could human beings be capable of these horrific atrocities? And what causes such a murderous defect in the human psyche?

    Director:Unknown
    Writer:Unknown

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  13. The UnXplained Season 2 Episode 16 - The Mystery of Plagues
    5.0/10(1 votes)

    #12 - The Mystery of Plagues

    S2:E16

    On March 11th, 2020, the World Health Organization declared that the outbreak of the lethal Coronavirus had become a worldwide pandemic. We'll examine some of the most devastating plagues in human history, as well the scientific advances to combat these diseases, including the development of Edward Jenner's vaccine for smallpox in the 1790s. Jenner's vaccine was one of the first major breakthroughs in modern medicine and helped to end humanity's superstitious attitude towards disease. But in the future, might we face diseases that are different from the ones we've experienced in the past?

    Director:Unknown
    Writer:Unknown

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  14. The UnXplained Season 2 Episode 17 - Mysteries of the Moon
    5.0/10(1 votes)

    #13 - Mysteries of the Moon

    S2:E17

    For centuries, humanity has looked up at the Moon with a sense of wonder. But is the Moon just a rock floating in space? Or could it hold profound secrets—and perhaps even possess incredible powers? That is what we will try and find out.

    Director:Unknown
    Writer:Unknown

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  15. The UnXplained Season 2 Episode 18 - Outrageous Robberies
    5.0/10(1 votes)

    #14 - Outrageous Robberies

    S2:E18

    Will we ever understand the motivations that drive people to undertake the most bizarre, intricate, and dangerous crimes -- or will the mind of a master criminal remain - UnXplained?

    Director:Unknown
    Writer:Unknown

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  16. The UnXplained Season 1 Episode 9 - The Oak Island Curse
    5.5/10(2 votes)

    #15 - The Oak Island Curse

    S1:E9

    Could a cache of fantastic riches have been buried centuries ago on a tiny island in the North Atlantic'.

    Director:Unknown
    Writer:Unknown

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  17. The UnXplained Season 5 Episode 8 - UFO Hotspots
    5.7/10(3 votes)

    #16 - UFO Hotspots

    S5:E8

    Every year, thousands of people report looking up at the sky and witnessing unidentified flying objects. A vast majority of these strange and disturbing incidents take place in the same locations on Earth. Is it possible that extraterrestrial spacecraft are repeatedly visiting Earth at so-called "UFO Hot Spots?"

    Director:Unknown
    Writer:Unknown

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  18. The UnXplained Season 4 Episode 22 - Mysterious Monoliths
    5.8/10(4 votes)

    #17 - Mysterious Monoliths

    S4:E22

    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?

    Director:Unknown
    Writer:Unknown

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  19. The UnXplained Season 1 Episode 3 - Strange Creatures
    6.0/10(2 votes)

    #18 - Strange Creatures

    S1:E3

    Millions of people around the world claim to have had an encounter with a creature unlike any recognized by mainstream science – such as the Mothman, Chupacabra, and Mongolian Death Worm. Could these incredible creatures be real? And if so, what could possibly explain these freaks of nature?

    Director:Unknown
    Writer:Unknown

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  20. The UnXplained Season 1 Episode 8 - Incredible Survivors
    6.0/10(2 votes)

    #19 - Incredible Survivors

    S1:E8

    How do some people live through the impossible? Whether it's plane crashes, bearing freezing temperatures, or performing superhuman feats while in danger ? remarkable tales of human survival force us to reconsider what we know about our own will to live. Do we have a hidden reserve of inexplicable energy locked away inside us ? that only gets released when the situation calls for it?

    Director:Unknown
    Writer:Unknown

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  21. The UnXplained Season 1 Episode 10 - Dark Prophecies
    6.0/10(2 votes)

    #20 - Dark Prophecies

    S1:E10

    Modern prophets. Catastrophic premonitions. Dreams of future crimes. Can people really predict the future. If so, could this knowledge help us avoid deadly events waiting in days to come or is the future a mystery unfolding all the time.

    Director:Unknown
    Writer:Unknown

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  22. The UnXplained Season 1 Episode 11 - Lost Civilizations
    6.0/10(2 votes)

    #21 - Lost Civilizations

    S1:E11

    Abandoned cities. Ancient cultures nearly erased by time. And colossal empires that simply vanished without a trace. How does a civilization become "lost"' What could cause once-thriving groups of people to just abandon their great cities, never to return' Can modern scientific knowledge help answer the unsolved questions surrounding these lost civilizations, or is there something more mysterious at work'

    Director:Unknown
    Writer:Unknown

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  23. The UnXplained Season 1 Episode 14 - Mysterious Stones
    6.0/10(2 votes)

    #22 - Mysterious Stones

    S1:E14

    A meteorite falling from the heavens. A gemstone with a deadly curse. A sandstone so sacred that wars have been fought to protect it. Stones that can choose a king or cause death. What's it about stones that inspire people to worship them?

    Director:Unknown
    Writer:Unknown

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  24. The UnXplained Season 2 Episode 3 - Mysterious Curses
    6.0/10(2 votes)

    #23 - Mysterious Curses

    S2:E3

    Throughout history, many have believed that certain places, things, or even people can be tainted with dark curses. Ominous lakes that morph into watery graves. Unlucky numbers that seem to cause bad things to happen. Paintings and precious stones, which bring death and destruction to their keepers. But can these mysterious curses really have the power to bring us harm? And if so, is it possible to understand their power, or will it remain UnXplained?

    Director:Unknown
    Writer:Unknown

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  25. The UnXplained Season 2 Episode 5 - The Underground World
    6.0/10(2 votes)

    #24 - The Underground World

    S2:E5

    Despite all of our modern technology and sophistication, there is much that we still don't know about what lies beneath our feet, deep underground. What is at the center of the Earth? Is there really a solid core of heavy metals, or could it be a hollow environment, as many researchers claim? And just how much of mankind's history took place underground? Recent discoveries of ancient underground structures such as the city of Derinkuyu and the Malta Hypogeum suggest that there may be more structures down there, waiting to be re-discovered. If much of our past was subterranean, could our future be as well?

    Director:Unknown
    Writer:Unknown

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  26. The UnXplained Season 2 Episode 7 - Mysteries of the Bible
    6.0/10(2 votes)

    #25 - Mysteries of the Bible

    S2:E7

    Many believe it to be the Word of God, but others claim it contains inconsistencies and contradictions that could only be manmade.

    Director:Unknown
    Writer:Unknown

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Worst Episodes Summary

"Mysteries of the Underground" is the worst rated episode of "The UnXplained". It scored /10 based on 0 votes. Directed by Unknown and written by Unknown, it aired on 10/31/2025. This episode scored 0.0 points lower than the second lowest rated, "Impossible Ancient Structures".