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History's Greatest Mysteries Season 6 Episodes

20 Episodes 2025 - 2025

Episode 1

Roswell

Mon, Jan 27, 2025

It's one of America's most mythic UFO incidents--a 200-yard swath of debris that landed near Roswell, New Mexico. Some believe it was an alien craft, others that it was a secret government experiment. The deeper researchers dig, the more perplexing the story gets. It's a mystery that's endured for nearly 80 years. So what really crashed in Roswell in 1947?

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History's Greatest Mysteries, Season 6 Episode 1 image

Episode 2

The Franklin Expedition

Mon, Feb 3, 2025

The search for the illusive Northwest Passage leads to a historic expedition that sets sail into a labyrinth of ice and is never heard from again. That disappearance sparks a search for clues spanning nearly two centuries... and leading to unthinkable ends. What really killed the men of the Franklin Expedition?

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History's Greatest Mysteries, Season 6 Episode 2 image

Episode 3

The Valentine's Day Massacre

Mon, Feb 10, 2025

On February 14th, 1929, one of the most shocking murders in mob history goes down in Chicago--and becomes known as the Valentine's Day Massacre. The 20s and 30s are full of gangland murders, but the Valentine's Day Massacre is considered the most brutal -- and the toughest to solve. So who carried out the Valentine's Day Massacre? And why?

Where to Watch
History's Greatest Mysteries, Season 6 Episode 3 image

Episode 4

What is the Yeti?

Mon, Feb 24, 2025

Sightings of the Yeti, a creature of myth and legend, have been recorded for thousands of years throughout the Himalayas and surrounding regions. Could this seven-foot-tall creature, covered in shaggy gray hair, be hiding in plain sight? And if the Yeti does exist, is it a living being--or something else entirely?

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Episode 5

The Final Flight of Amelia Earhart

Mon, Mar 3, 2025

In 1937, pioneering aviator Amelia Earhart vanishes during her ambitious round-the-world flight. Her mysterious disappearance near a Pacific island spawns decades of theories and unanswered questions.

Where to Watch
History's Greatest Mysteries, Season 6 Episode 5 image

Episode 6

The Death and Fortune of Pablo Escobar

Mon, Mar 10, 202541 mins

Pablo Escobar, the notorious narco-trafficker who single-handedly supplied most of America's cocaine in the 1980s, had billions of dollars in cash...and hid stacks of it all over the country. By the time he was gunned down in 1993, it's believed he was worth over $50 billion in today's money. To some he was a Robin Hood. To others, he was pure evil. Who killed Pablo Escobar? And where did all his money go?

Where to Watch
History's Greatest Mysteries, Season 6 Episode 6 image

Episode 7

The Lost Loot of Jesse James

Mon, Mar 17, 2025

Cash, jewels, and two million dollars in gold bars. Jesse James and his gang robbed trains, stagecoaches and banks... and buried the spoils. But only a fraction of the millions has actually been found. If James and his gang hid a fortune, where could it be?

Where to Watch
History's Greatest Mysteries, Season 6 Episode 7 image

Episode 8

The Rendlesham Forest Incident

Mon, Mar 24, 202541 mins

A surreal event outside a U.S. Air Force base near the Rendlesham Forest in England becomes an international legend, and one of history's strangest unidentified encounters. For more than 40 years, the question has endured: what was really out there in the Rendlesham Forest? What were the Rendlesham lights?

Where to Watch
History's Greatest Mysteries, Season 6 Episode 8 image

Episode 9

The Amazing Events of the Book of Exodus

Mon, Apr 14, 2025

The Burning Bush, the 10 Plagues, the Parting of the Red Sea...these legendary Biblical events in the Book of Exodus have shaped Judeo Christian beliefs for centuries. But were these events divinely inspired miracles, or do they have a more earthly explanation? Is it possible some of these famous legends in the Book of Exodus aren't parables... but rooted in fact?

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Episode 10

The Search for Atlantis

Mon, Apr 21, 2025

It's history's most famous lost city: the island kingdom that's baffled explorers for centuries; some say Atlantis is a myth, while others insist was a very real place wiped out thousands of years ago.

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History's Greatest Mysteries, Season 6 Episode 10 image

Episode 11

The Death of Dillenger

Mon, Apr 28, 2025

John Dillinger's life consisted of brazen bank robberies across the country, but his death remains shrouded in mystery: what really happened to John Dillinger ?

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History's Greatest Mysteries, Season 6 Episode 11 image

Episode 12

The Missing Riches of Genghis Khan

Mon, May 5, 202542 mins

The legendary ancient ruler who amassed a fortune estimated to be worth 120 trillion in today's dollars-Genghis Khan-hid his riches so well that to this day no one has unearthed them. 800 years later the fate of his treasure remains a mystery. Where are Genghis Khan's buried riches?

Where to Watch
History's Greatest Mysteries, Season 6 Episode 12 image

Episode 13

The Missing Tesla Papers

Mon, May 12, 2025

Nicola Tesla had revolutionary ideas, but in the hands of the wrong people, those ideas could be used for evil purposes, when Tesla died, he allegedly had 80 trunks of papers full of ideas, but only 60 have been seen again.

Where to Watch
History's Greatest Mysteries, Season 6 Episode 13 image

Episode 14

Secrets of the Copper Scroll

Mon, May 19, 2025

An ancient treasure map, recorded on a rare Copper Scroll, could lead to billions of dollars of buried treasure, hidden away thousands of years ago from Roman invaders. Where is the secret treasure of the Copper Scroll?

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Episode 15

The Killing of Bugsy Siegel

Mon, Jul 14, 2025

Notorious mobster Bugsy Siegel is gunned down in his Beverly Hills room; Siegel's killing becomes front page news; no arrest is ever made.

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History's Greatest Mysteries, Season 6 Episode 15 image

Episode 16

Percy Fawcett and the Lost City of Z

Mon, Jul 21, 2025

Percy Fawcett becomes obsessed with a lost city deep in the Amazon jungle, a place he names the City of Z. He vanishes trying to locate it despite numerous missions to find him.

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History's Greatest Mysteries, Season 6 Episode 16 image

Episode 17

Secrets of the Sphinx

Mon, Jul 28, 2025

Rising from the sands of the Egyptian desert is one of the world's greatest wonders, the mighty Sphinx.

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History's Greatest Mysteries, Season 6 Episode 17 image

Episode 18

The Lost Pirate Treasure of Jean Lafitte

Mon, Aug 4, 2025

Known as :The Terror of the Gulf"; the whereabouts of Jean Lafitte's treasure remains unknown; the swamps and bayous were his base, and likely also his hiding place; treasure hunters have found very little of Lafitte's stash.

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History's Greatest Mysteries, Season 6 Episode 18 image

Episode 19

The Secrets of Easter Island

Sat, Aug 9, 2025

The gigantic statues of Easter Island have mystified humanity for centuries; how in the world did an ancient civilization, with only primitive tools, carve and then move thousands of these rock monuments around the island, and why?

Where to Watch
History's Greatest Mysteries, Season 6 Episode 19 image

Episode 20

Lost Places of the Old Testament

Mon, Aug 18, 2025

The Tower of Babel, Sodom and Gomorrah, and Mount Sinai have seemingly vanished from the map; where are the Old Testament's legendary lost places, and what might they reveal?

Where to Watch
History's Greatest Mysteries, Season 6 Episode 20 image