The BEST episodes of The UnXplained season 3

Every episode of The UnXplained season 3, ranked from best to worst by thousands of votes from fans of the show. The best episodes of The UnXplained season 3!

The UnXplained explores the world’s most fascinating, strange and inexplicable mysteries. Scientists, historians, witnesses and experiencers, each seeking to shed light on how the seemingly impossible actually can happen, explore subjects that have mystified mankind for centuries — from mysterious structures and so-called “evil” places, to strange creatures and bizarre rituals.

Last Updated: 11/3/2024Network: HistoryStatus: Continuing
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Secrets of the Immortals
star
7.30
46 votes

#1 - Secrets of the Immortals

Season 3 - Episode 5 - Aired 12/3/2021

Sacred waters with remarkable healing powers. Ancient mystics who lived for hundreds of years. A scientific breakthrough may provide the answers to eternal life. Throughout history many have searched for the secret to everlasting life, but so far, it's eluded them. But is it possible to cheat death and live forever? What if, by re-examining ancient teachings and harnessing modern technology, we could eventually become immortal?

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The Search for the Ark of the Covenant
star
7.25
55 votes

#2 - The Search for the Ark of the Covenant

Season 3 - Episode 3 - Aired 11/19/2021

Throughout history, many have sought the lost Ark of the Covenant. According to the Old Testament, God himself instructed Moses to build the Ark--and it is believed that it held the power of the Almighty. But how could such a coveted religious artifact just disappear? And is it possible that the Ark could actually be found?

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Apocalypse When?
star
7.20
59 votes

#3 - Apocalypse When?

Season 3 - Episode 4 - Aired 11/26/2021

Since the dawn of civilization, humanity has been fixated on predicting our own demise. Perhaps it will be asteroids, black holes, or something even more mysterious that will wipe us out. But is there anything we can do to predict the future and protect ourselves from apocalypse? Will our civilization end--or will we find a way to evolve and endure?

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Satanic Encounters
star
7.18
56 votes

#4 - Satanic Encounters

Season 3 - Episode 2 - Aired 11/12/2021

For thousands of years, people have believed in the existence of Satan, the embodiment of evil. Some believe he has the power to possess souls and create mayhem amongst humanity. But is Satan a myth? Or are there signs of Satan's existence--and the evil he brings into our world?

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Sacred Bones
star
7.08
39 votes

#5 - Sacred Bones

Season 3 - Episode 6 - Aired 12/10/2021

Mankind has always pondered what happens after death and what we leave behind. Many wonder what power our bones may hold. Some believe bones can bring good luck or even allow us to speak with the dead. But is it possible that our bones hold some sacred power--or perhaps even our souls?

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The Hunt for Hidden Treasures
star
7.02
66 votes

#6 - The Hunt for Hidden Treasures

Season 3 - Episode 1 - Aired 11/5/2021

Sunken ships filled with priceless cargo. Lost cities of gold. Ancient temples concealing untold riches. There's something about these hidden treasures that captures the human imagination. But are lost treasures merely the stuff of legend? Or could they actually be real?

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Mysteries of Mars
star
6.92
52 votes

#7 - Mysteries of Mars

Season 3 - Episode 7 - Aired 12/17/2021

For centuries. humanity has been fixated on Mars--the glowing red orb in the night sky. As a new era of exploration of the Red Planet begins. we are on the cusp of finally solving the Red Planet's mysteries. Ancient cataclysms are believed to have left Mars barren, but science continues to find clues that this red planet was once blue and capable of producing life. Will we finally uncover evidence of life on Mars. once we finally set foot there? And what else might we discover on this mysterious planet?

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