Episode 1
Aired Jan 30, 2023
The Loch Ness Monster
Despite centuries of sightings and searches, one deep-sea monster remains unidentified; as evidence continues to mount, the mystery endures as to whether the Loch Ness monster exists.
Details
Episode 2
Aired Feb 6, 2023
Who Is the Zodiac Killer?
In 1969, a serial killer taunts investigators with cryptic ciphers, leaving police and the public questioning his identity for over 50 years; new evidence and technology may finally be able to crack his code and discover who the Zodiac Killer is.
Details
Episode 3
Aired Feb 13, 2023
The Assassination of JFK
On November 22, 1963, President John F Kennedy is assassinated, shaking the nation to its core; while an initial suspect is captured, many believe there's more to the story; investigators and amateur sleuths alike have been searching for answers.
Details
Episode 4
Aired Feb 20, 2023
The Lost Colony of Roanoke
In 1587, a group of settlers land off the coast of North Carolina on Roanoke Island to establish the first English Colony in America; a few years later, the 115 men, women and children vanish without a trace, leaving only cryptic clues.
Details
Episode 5
Aired Feb 27, 2023
The Phoenix Lights Phenomenon
In 1997, thousands of people across Phoenix witness a series of strange lights unlike anything they've ever seen; many think this could be one of the largest-scale UFO sightings in history, but there may be another explanation.
Details
Episode 6
Aired Mar 6, 2023
The Ark of the Covenant
A holy relic from the Bible has been missing for over 2,000 years; while some believe the Ark of the Covenant was destroyed, many people think it's still out there; new clues could finally explain what happened.
Details
Episode 7
Aired Mar 13, 2023
The "Missingest" Man in America
In 1930, a New York Supreme Court justice with close ties to Tammany Hall, and future president Franklin Delano Roosevelt, steps out of a steakhouse and disappears; for decades, the case dominates mainstream media and remains unsolved.
Details
Episode 8
Aired Mar 20, 2023
Blackbeard's Lost Treasure
One of history's most notorious pirates, Blackbeard, is said to have had a treasure worth millions of dollars; after centuries of searching, the legendary hoard remains missing.
Details
Episode 9
Aired Mar 27, 2023
Decoding the Mysterious Antikythera Mechanism
An ancient mechanical device found on a 2000-year-old shipwreck has become known as the world's first computer; the machine is centuries more advanced than historians thought possible, but its origin and true purpose are shrouded in secrecy.
Details
Episode 10
Aired Apr 17, 2023
The Puzzling Pyramids of Egypt
Awe-inspiring and mysterious, the pyramids of Egypt are significant wonders of the ancient world; more than 4,000 years old, they are celebrated architectural marvels, but no one fully understands how they were built or why.
Details
Episode 11
Aired Apr 24, 2023
The Hunt for Stolen Nazi Treasure
During World War Two, the Nazis stole vast amounts of art, gold, silver and currency, and stashed it across Europe; while some of the plunder has been recovered, much more is still missing nearly 80 years later.
Details
Episode 12
Aired May 1, 2023
The Deadly Bermuda Triangle
A look at what could cause mysterious vanishings in the Bermuda Triangle, a 500,000 square mile area of the Atlantic where ships, planes and unsuspecting travelers have been lost without a trace.
Details
Episode 13
Aired May 8, 2023
The Search for Noah's Ark
It's one of the most famous stories from the Bible; for thousands of years the tale of Noah's Ark is shared, but little is known about what happened to the ark.
Details
Episode 14
Aired May 15, 2023
Who Is D.B. Cooper?
It's the only unsolved air piracy case in history; in 1971, a man hijacks a Northwest Orient Airlines flight, demanding four parachutes and $200,000; he jumps out of the plane with the money and is never seen again.
Details
Episode 15
Aired May 22, 2023
The Legend of Bigfoot
Thousands of people swear they've encountered the legendary North American creature Bigfoot, but Bigfoot has never been officially identified; as evidence continues to mount, and photos are scrutinized, the mystery endures.
Details
Episode 16
Aired May 29, 2023
Unlocking the Secrets of Stonehenge
It's one of the most famous prehistoric monuments on Earth -- a mysterious arrangement of stones that have adorned the English countryside for millennia; nobody knows how the landmark was built or why.
Details
Episode 17
Aired Jun 5, 2023
The Search for El Dorado
It is a legendary ancient city, said to be overflowing with gold; for centuries, explorers put their lives on the line searching for it; the quest to uncover this infamous city continues.
Details
Episode 18
Aired Jun 12, 2023
The Mysterious Havana Syndrome
In 2016, a mysterious illness strikes dozens of government officials in Cuba; hundreds more are afflicted.
Details
Episode 19
Aired Jun 26, 2023
Unlocking the Secrets of the Nazca Lines
They've been called the world's greatest archaeological enigma: 2,000-year-old geoglyphs made in the Peruvian desert that span over 50 miles; the drawings are so massive, they can only be seen from the air.
Details
Episode 20
Aired Jul 10, 2023
The Hunt for Cleopatra's Missing Tomb
She was the last pharaoh of Egypt and one of the most famous queens of all time, but her death in 31 B.C. has been shrouded in mystery; Cleopatra's body and final resting place have been lost without a trace for over 2,000 years.
Details
Episode 21
Aired Jul 17, 2023
TWA Flight 800
In July 1996, one of the worst aviation disasters in American history leaves 230 people dead and countless questions unanswered; it's a tragedy that changes the aviation industry forever.
Details
Episode 22
Aired Jul 24, 2023
The Hunt for Hitler
The history books say Adolf Hitler committed suicide in the final days of World War II, but not everyone believes there's sufficient proof; questions have swirled for decades about his possible escape.
Details
Episode 23
Aired Jul 31, 2023
The Lost Gold of WWII
During World War II, Japan plunders a fortune worth hundreds of billions of dollars from occupied countries, but to this day its whereabouts are unknown.
Details
Episode 24
Aired Aug 7, 2023
The Black Dahlia
The gruesome murder of a young beauty goes unsolved for decades; there's a long line of suspects, each more mysterious than the next.
Details
Episode 25
Aired Aug 14, 2023
Gardner Museum Robbery
In a perfectly planned robbery, thieves steal half a billion dollars in masterpieces from the Gardner Museum in Boston; it's been three decades since the brazen heist, and an exhaustive search has failed to recover the stolen goods.
Details