Seasons & episodes
S3 · E7Malaysia Flight 370 2022-04-11 · 42 min
One of the most chilling aviation mysteries in modern day: a Boeing 777, carrying 239 people, vanishes over the Indian Ocean; nearly a decade later, no one knows what really happened to Malaysia Flight 370.
S3 · E8The Sodder Children Disappearance 2022-04-18 · 42 min
A cold case that ignites every parent's worst fears: on Christmas morning, 1945, five siblings vanish from their family home in West Virginia during a raging fire. The devastated Sodder family spends the rest of their lives trying to find out what happened. Despite the work of dozens of investigators and thousands of amateur sleuths, the mystery remains: what happened to the Sodder children?
S3 · E9The Voynich Manuscript 2022-04-25 · 42 min
It might be the world's most mysterious book: a medieval manuscript filled with unidentifiable drawings, written in a secret language so complex that even the world's best code breakers can't crack it. It's obsessed everyone from scholars to conspiracy theorists. What is the Voynich Manuscript? And who wrote it?
S3 · E10Jack the Ripper 2022-05-02 · 42 min
A spree of gruesome murders shocks Victorian England--and the world. The homicidal maniac responsible remains a mystery. Can history's most notorious serial killer ever be identified? Who is Jack the Ripper?
S3 · E11Lindbergh Baby Kidnapping 2022-05-09 · 42 min
When the infant son of an aviation legend is snatched from his crib at home, it ignites a media firestorm; after a nationwide manhunt, the supposed culprit is brought to justice, but questions pop up on the investigation.
S3 · E12The Chicago Tylenol Murders 2022-05-16 · 42 min
A series of unexplained deaths near Chicago in 1982 starts a nationwide panic; the victims are connected by one frightening detail: cyanide-tainted capsules of Extra-Strength Tylenol; 40 years later, it remains an active FBI investigation.
S4 · E1The Loch Ness Monster 2023-01-30 · 41 min
Despite centuries of sightings and searches, one of the most infamous deep-sea monsters remains unidentified. As evidence continues to mount, the mystery endures: does the Loch Ness Monster really exist? And if so, what could it be?
S4 · E2Who is the Zodiac Killer? 2023-02-06 · 42 min
In 1969, one of history's most elusive serial killers terrorizes Northern California. He taunts investigators with cryptic ciphers and clues, leaving police and the public questioning his identity for over 50 years. Can new evidence and technology finally crack his code? Who is the Zodiac Killer?
S4 · E3The Assassination of JFK 2023-02-13 · 42 min
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.
S4 · E4The Lost Colony of Roanoke 2023-02-20 · 41 min
In 1587, a group of settlers land off the coast of North Carolina on Roanoke Island to establish the first English Colony in America. But only a few years later, the 115 men, women and children seemingly vanish without a trace, leaving only cryptic clues. The search to find out their fate has endured for over 400 years. Can new technology finally tell us what happened to the Lost Colony of Roanoke?
S4 · E5The Phoenix Lights Phenomenon 2023-02-27 · 40 min
In 1997, thousands of people in Phoenix witnessed strange lights; this could be an UFO sighting.
S4 · E6The Ark of the Covenant 2023-03-05 · 41 min
One of the holiest and most powerful relics 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. Could new clues finally tell us what happened to the Ark, and lead us to where it can be found?
S4 · E7The "Missingest" Man in America 2023-03-12 · 41 min
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 politically charged case dominates mainstream media and remains unsolved nearly 100 years later. But could a deathbed confession finally tell us what really happened to the notorious Judge Joseph Crater?
S4 · E8Blackbeard's Lost Treasure 2023-03-19 · 41 min
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. As new evidence is unearthed, the mystery endures: what became of Blackbeard's lost treasure?
S4 · E9Decoding the Mysterious Antikythera Mechanism 2023-03-26 · 41 min
An ancient mechanical device found on a 2,000-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. Can modern technology finally unveil what the mysterious Antikythera Mechanism actually is?
S4 · E10The Puzzling Pyramids of Egypt 2023-04-16 · 41 min
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.
S4 · E11The Hunt for Stolen Nazi Treasure 2023-04-23 · 41 min
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.
S4 · E12The Deadly Bermuda Triangle 2023-04-30 · 41 min
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.
S4 · E13The Search for Noah's Ark 2023-05-07 · 41 min
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.
S4 · E14Who is D.B. Cooper? 2023-05-14 · 40 min
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.
S4 · E15The Legend of Bigfoot 2023-05-21 · 41 min
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.
S4 · E16Unlocking the Secrets of Stonehenge 2023-05-28 · 40 min
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.
S4 · E17The Search for El Dorado 2023-06-04 · 41 min
It is a legendary ancient city, said to be overflowing with gold. For centuries, explorers put their lives on the line searching for it. As the endless quest to uncover this infamous city continues, will anyone ever find it?
S4 · E18The Mysterious Havana Syndrome 2023-06-10 · 41 min
In 2016 a mysterious illness strikes dozens of government officials in Cuba. Over the next few years, hundreds more are afflicted. But investigations raise more questions than answers about this bizarre epidemic. What is the true cause of the strange phenomenon known as "Havana Syndrome?"