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289 episodes

The Richat Structure: The Real Atlantis?
05/12/2026 | 38 mins.
Uncover the mystery of Atlantis through Mauritania’s Eye of the Sahara. Could the Richat Structure match Plato’s legendary lost civilisation—or is it simply geology, myth, and coincidence intertwined?

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The Best Evidence for Aliens Existing
05/07/2026 | 1h 18 mins.
From wartime “Foo Fighters” to modern Navy UAP footage, these are the strangest alien encounters ever recorded—backed by pilots, radar operators, military footage, and eyewitnesses worldwide.

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Why is There a City for 20,000 People Under Turkey?
04/14/2026 | 36 mins.
Beneath Cappadocia lies Derinkuyu, a vast underground city hiding ancient secrets. Who built it, why, and when? Explore history, mystery, and theories behind one of Earth’s most astonishing hidden worlds.

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How Long Did Big Tobacco Hide the Effects of Smoking?
04/09/2026 | 56 mins.
For decades, Big Tobacco denied the truth, manufactured doubt, and hooked generations on addiction—how a deadly industry hid smoking’s risks for over 70 years while profits soared.

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How Did Scientists Who Stole 1500 Bodies Win a Nobel Prize?
04/06/2026 | 47 mins.
Uncover Project Sunshine’s chilling secrets—hidden radiation experiments, stolen remains, and global fallout fears—revealing how Cold War science crossed ethical lines in humanity’s darkest nuclear chapter.
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About Decoding The Unknown

Decoding The Unknown explores history's deepest mysteries to see if we can draw any conclusions about what actually happened. Russian hikers killed by a yeti? Aircraft lost to sea monsters? Probably not, so let's try and figure out what really happened. New episodes every Friday. Also on YouTube!

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