All Seasons

Season 1

  • S01E01 The Final Hunt for D.B. Cooper

    • November 14, 2020
    • History

    With over 7,500 hours investigating the mystery; top D.B. Cooper expert Eric Ulis believes that he's found the true location where Cooper landed during his daring dive.

  • S01E02 Titanic's Lost Evidence

    • November 21, 2020
    • History

    A dust-covered box hidden in a British manor house for 108 years contains the personal notes of Lord Mersey, the respected British jurist and politician charged with investigating the sinking of the Titanic in 1912.

  • S01E03 Endurance: The Hunt for Shackleton's Ice Ship

    • November 28, 2020
    • History

    In 1914, Sir Ernest Shackleton led an expedition to Antarctica but soon after arrival, Shackleton's ship--The Endurance--was destroyed by shifting glaciers, and he was tasked with leading his 27 men across the tundra, on an epic struggle for survival. Shackleton's battle against the odds and his unfailing commitment to bring all his men out alive turned him into a legend. The ship's final resting ground remains one of the greatest polar mysteries. Led by maritime archeologist and shipwreck expert, Mensun Bound, follow a new ground-breaking expedition heading back into the frozen seas to hunt down Shackleton's lost ship.

  • S01E04 The Escape of John Wilkes Booth

    • December 5, 2020
    • History

    He was the actor whose most famous role was assassinating a president. But was John Wilkes Booth also an escape artist? Did Booth evade justice and live for decades after killing Abraham Lincoln? For the first time, Booth family members share family lore, and what they believe is evidence of the assassin's escape, passed down through generations.

  • S01E05 Roswell: The First Witness - The Journal

    • December 12, 2020
    • History

    A cryptic journal sparks an unprecedented investigation into whether a UFO crashed at Roswell, NM in 1947. Major Jesse Marcel, the first government official on the scene, believed to his dying day that an extraterrestrial spaceship plummeted to earth and the U.S. government covered it up. Now, the Marcel family has come forward with a journal found among Marcel's possessions. The journal may contain coded-clues to the truth behind Roswell. Former CIA operative Ben Smith embarks on a new investigation that includes a cryptographic analysis of the journal, a high tech geological study of the crash site, and interviews with witnesses who have never spoken publicly. What really crashed in Roswell? The US government claimed it was a weather balloon and then changed its story. Others spoke of alien bodies, and extreme government intimidation.

  • S01E06 Roswell: The First Witness – The Memo

    • December 19, 2020
    • History

    A former CIA operative's investigation into the Roswell crash arrives at a critical moment when the mysterious journal found among the possessions of Major Jesse Marcel undergoes a crucial test. As a US Army intelligence officer, Marcel was the first government official at the crash site. Investigator Ben Smith is taken to a secret location believed to be the real resting place of the airborne object, as a local archeologist finds evidence that a military cleanup may have taken place. A leading code-breaker continues his attempt to decipher the journal which may be written in a home-brewed code and contain hidden information about what happened at Roswell. And witnesses describe a series of bizarre events surrounding the now legendary crash, while an incredible new technology attempts to read words on a 70 year old photograph that may hold clues to the mystery: Did an extraterrestrial spaceship crash at Roswell?

  • S01E07 Roswell: The First Witness – The Writer

    • December 26, 2020
    • History

    Investigator Ben Smith travels to Jesse Marcel's hometown on Louisiana's Gulf Coast to speak with family members who reveal information that supports Marcel's story of a government coverup. Smith speaks with Leslie Kean, the investigative journalist who broke The New York Times story about a clandestine U.S. government program to investigate UFOs. Smith also digs deeper into the mystery of the journal as he studies writing samples to determine if the journal might have been written by one of Marcel's fellow officers who later claimed he was ordered to oversee the military's coverup. Back in Marcel's hometown, Smith meets with a man who swears Marcel confided in him about alien bodies-- something Marcel had never mentioned to the press or family. As the results come back from soil, metal and forensic handwriting analysis, Smith shares his findings with the Marcel grandchildren.

Season 2

  • S02E01 Expedition Bermuda Triangle

    • September 7, 2021
    • History

    On December 5, 1945, five American WW2 torpedo bombers took off from Florida with all men and planes disappearing without a trace. Hours later, the search plane dispatched to find them, also vanished, believed to be lost to the infamous Bermuda Triangle. The number of men tragically lost that day totaled 27 and 75 years later, it remains an unsolved mystery. No ship in history has searched the extreme depths of the Bermuda Triangle, thought to have claimed over 1,000 ships and planes, until now. The late Paul Allen's ship, R/V Petrel, the most advanced search vessel of its kind, will deploy a wide array of cutting edge technology including deep-diving submersibles to investigate three miles down, in an effort, to find the lost squadron and solve the mystery that began the legend of the Bermuda Triangle.

  • S02E02 Hunting Hitler’s U-Boats

    • September 14, 2021
    • History

    An investigation into the unshakable claims of Roger Miklos, one of America's most eccentric, controversial, and accomplished treasure hunters. Decades before his death in 2018, Roger believed he discovered a modified Nazi U-boat loaded with a fortune in artwork, antiquities, and gold off the coast of Turks and Caicos. Before he passed, Roger gave an exclusive interview that revealed clues about the possible position of the U-boat and left behind a trove of documents, maps, and photographs. Now, armed with this evidence, celebrated diver Mike Fletcher and his team will take to the high seas in search of the special U-boat.

  • S02E03 The Death of Bruce Lee

    • September 21, 2021
    • History

    On 20th July 1973, martial arts superstar Bruce Lee died under mysterious circumstances in Hong Kong. Bruce's brother, Robert Lee, was never satisfied with the official cause of death--a fatal reaction to aspirin. Now in the twilight of his life, Robert Lee has enlisted former Hong Kong police detective Philip Chan to comb through previously unseen documents, interview experts and talk to people close to the legendary superstar, in an attempt to revisit what or who killed the Bruce Lee. From legendary rooftop fights to feuds with alleged Triad members and producers, Chan's journey uncovers the surprising life of a complex superstar.

  • S02E04 Houdini’s Lost Diaries

    • September 28, 2021
    • History

    Harry Houdini left behind a diary that had been kept from the public, held under lock and key by a wealthy New York City Family. Now, magician and Houdini expert Bill Kalush has finally secured access to these pages. A team of experts will begin to unveil the diary, using new information gleaned from these personal accounts to form new insights into this enigmatic man's life. But Houdini's humble rise to fame eventually turns into a dark web of mysteries shrouding the truth behind this legend's end. From vindictive competitors to a man driven to failure by his own ambitions, the cause of Houdini's sudden death has remained unsolved, until now.

Season 3

  • S03E01 The Amber Room

    • February 22, 2022
    • History

    One of World War II's greatest unsolved mysteries: an incomparable work of art worth half a billion dollars, lost without a trace. Perhaps the single most valuable object the Nazis ever stole, the quest for this treasure has lasted over 75 years. Where is the famed Amber Room? And will a brand-new search finally reveal its true location?

  • S03E02 The Disappearance of Jimmy Hoffa

    • February 28, 2022
    • History

    A powerful union activist disappears from a Detroit suburb; 45 years later, it remains one of the most notorious missing person cases of all time; the mystery of Jimmy Hoffa's disappearance features more twists and turns than a Hollywood movie.

  • S03E03 The Dyatlov Pass Incident

    • March 7, 2022
    • History

    An infamous Cold War cold case involving nine hikers found mutilated on a remote mountain slope; for over 60 years, authorities and amateurs alike have been trying to figure out what happened in a place that's been called "Russia's Area 51."

  • S03E04 The Body on Somerton Beach

    • March 14, 2022
    • History

    As the Cold War ramps up, a well-dressed man is found dead within miles of a nuclear testing site on a tranquil Australian beach. There are no clues to his identity, or what could have happened. It's a case that's obsessed an army of sleuths for over 70 years: Who is the Somerton Beach man, and how did he die?

  • S03E05 The Amityville Horror

    • March 21, 2022
    • History

    After a series of dark and ominous events, an unassuming family home on Long Island becomes the most notorious house in America. 50 years later, it's spawned a title wave of books, documentaries, and films; but do haunted houses really exist? Who--or what--is really responsible for the Amityville horror?

  • S03E06 The Holy Grail

    • March 28, 2022
    • History

    It's a treasure coveted by everyone from Roman Emperors to Adolf Hitler--a sacred object said to hold incredible powers of healing, resurrection and immortality. It may be the world's most sought-after relic, but what is the Holy Grail? And if it exists, can it ever be found?

  • S03E07 Malaysia Flight 370

    • April 11, 2022
    • History

    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.

  • S03E08 The Sodder Children Disappearance

    • April 18, 2022
    • History

    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?

  • S03E09 The Voynich Manuscript

    • April 25, 2022
    • History

    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?

  • S03E10 Jack the Ripper

    • May 2, 2022
    • History

    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?

  • S03E11 The Lindbergh Baby Kidnapping

    • May 9, 2022
    • History

    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 did authorities get the right man? Who is really responsible for kidnapping the Lindbergh Baby?

  • S03E12 The Chicago Tylenol Murders

    • May 16, 2022
    • History

    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.

Season 4

  • S04E01 The Loch Ness Monster

    • January 30, 2023
    • History

    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.

  • S04E02 Who is the Zodiac Killer?

    • February 6, 2023
    • History

    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?

  • S04E03 The Assassination of JFK

    • February 13, 2023
    • History

    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.

  • S04E04 The Lost Colony of Roanoke

    • February 20, 2023
    • History

    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?

  • S04E05 The Phoenix Lights Phenomenon

    • February 27, 2023
    • History

    In 1997, thousands of people across Phoenix witness a series of strange lights unlike anything they've ever seen. Could this be one of the largest-scale UFO sightings in history, or is there another explanation for this mysterious phenomenon?

  • S04E06 The Ark of the Covenant

    • March 6, 2023
    • History

    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?

  • S04E07 The "Missingest" Man in America

    • March 13, 2023
    • History

    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?

  • S04E08 Blackbeard's Lost Treasure

    • March 20, 2023
    • History

    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?

  • S04E09 Decoding the Mysterious Antikythera Mechanism

    • March 27, 2023
    • History

    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?

  • S04E10 The Puzzling Pyramids of Egypt

    • April 17, 2023
    • History

    Awe-inspiring and mysterious, the pyramids of Egypt are among the most significant wonders of the ancient world. More than 4,000 years old, they are among the most celebrated architectural marvels in the world. But no one fully understands how they were built, or why. Can we ever decipher the true purpose of Egypt’s astonishing pyramids?

  • S04E11 The Hunt for Stolen Nazi Treasure

    • April 24, 2023
    • History

    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.

  • S04E12 The Deadly Bermuda Triangle

    • May 1, 2023
    • History

    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.

  • S04E13 The Search for Noah's Ark

    • May 8, 2023
    • History

    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.

  • S04E14 Who is D.B. Cooper?

    • May 15, 2023
    • History

    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.

  • S04E15 The Legend of Bigfoot

    • May 22, 2023
    • History

    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.

  • S04E16 Unlocking the Secrets of Stone Henge

    • May 29, 2023
    • History

    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.

  • S04E17 The Search for El Dorado

    • June 5, 2023
    • History

    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?

  • S04E18 Havana Syndrome

    • June 12, 2023
    • History

    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?"

  • S04E19 Unlocking the Secrets of the Nazca Lines

    • June 26, 2023
    • History

    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. Can new research finally unravel their secrets? What is the true purpose of the incredible Nazca Lines?

  • S04E20 The Hunt for Cleopatra's Missing Tomb

    • July 10, 2023
    • History

    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, leaving the world's top archaeologists baffled. Can new evidence finally uncover Cleopatra's missing tomb?

  • S04E21 TWA Flight 800

    • July 17, 2023
    • History

    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.

  • S04E22 The Hunt for Hitler

    • July 24, 2023
    • History

    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.

  • S04E23 The Lost Gold of WWII

    • July 31, 2023
    • History

    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.

  • S04E24 The Black Dahlia

    • August 7, 2023
    • History

    It's one of the most infamous crimes in American history: the gruesome murder of a young beauty, unsolved for decades. There's a long line of suspects, each more mysterious than the next. Can the questions surrounding one of history's most notorious unsolved cases finally be answered?

  • S04E25 Gardner Museum Robbery

    • August 14, 2023
    • History

    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. Who orchestrated the biggest art heist in history--and why?

Season 5

  • S05E01 Montezuma's Lost Treasure

    • January 29, 2024
    • History Channel

    An Aztec king's glittering treasure vanishes into thin air, inspiring a 500-year search that spans continents; one of the greatest warriors of all-time amassed a vast horde believed to be worth more than $3 billion today...

  • S05E02 The Garden of Eden

    • February 5, 2024
    • History Channel

    Most people know it as the biblical birthplace of man -- the Garden of Eden; investigating if the Garden of Eden was just a story to explain human creation or if it was a real place...

  • S05E03 The Lost Fortune of the Knights Templar

    • February 12, 2024
    • History Channel

    A look at what happened to the secret hoard of the Knights Templar, a treasure of gold, silver, gems and religious relics protected by a medieval religious order...

  • S05E04 The Shroud of Turin

    • February 19, 2024
    • History Channel

    The haunting image of the Shroud of Turin has captivated millions around the world; scientists and theologians are trying to figure out if the Shroud of Turin truly is an image of Jesus or something very different...

  • S05E05 Captain Kidd's Treasure

    • March 4, 2024
    • History Channel

    It's a mystery from the golden age of piracy. In 1698, Captain William Kidd raids a ship on the high seas and seizes its vast treasure... but Kidd is hanged before revealing where he stashed the loot. What happened to Captain Kidd's lost booty... and where is it now?

  • S05E06 Escape from Alcatraz

    • March 11, 2024
    • History Channel

    A perfectly masterminded plot leads to one of the most brazen prison breaks in American history. With only a handful of clues left behind, the search for the infamous Alcatraz escapees continues to this day. But is it really possible they survived -- and if so, where did they go?

  • S05E07 The Battle of Los Angeles

    • March 18, 2024
    • History Channel

    On February 24, 1942, less than three months after the Japanese bombed Pearl Harbor, military radar picks up what appears to be enemy aircraft over Los Angeles. Air raid sirens send citizens scrambling, as troops fire more than 1400 rounds of anti-aircraft artillery at the illusive targets. When the smoke clears, the incident is veiled in secrecy and lies. What exactly triggered the so-called Battle of Los Angeles?

  • S05E08 The Mystery of Machu Picchu

    • March 25, 2024
    • History Channel

    With 500-year-old secrets hidden in skeletons and stone, Machu Picchu is one of the most puzzling archaeological sites on earth. It's among the ancient world's most enduring riddles: Who built this astonishing complex, and why?

  • S05E09 Who Killed King Tut?

    • June 3, 2024
    • History Channel

    The death of one of history's most enigmatic rulers--Egypt's King Tutankhamun--remains shrouded in mystery 3300 years later. No one knows for sure what ended the young pharaoh's life, but scientific advancements may be getting us closer to the answer. Who, or what, killed King Tut?

  • S05E10 The Hindenburg Disaster

    • June 10, 2024
    • History Channel

    For decades, experts believed they knew what caused the Hindenburg disaster: that leaking hydrogen ignited--causing the airship to burst into flames. But there may be more to this story. Whatever triggered the explosion, it didn't just spell doom for the Hindenburg but for the entire rigid airship industry. What caused the Hindenburg Disaster?

  • S05E11 The Search for Alexander the Great

    • June 17, 2024
    • History Channel

    The story of the most celebrated warrior king in history still stirs fascination more than 2,000 years after his death. But the location of his body is the subject of much debate. When his remains suddenly disappear without a trace, a search across the ancient world ensues. What happened to the mummy of Alexander the Great?

  • S05E12 The Sinking of the Titanic

    • June 24, 2024
    • History Channel

    The Titanic's tragic story captures the imagination of the public and experts of all kinds, who, decades after the ship's demise, still seek answers; a look into new evidence that might reveal more about how and why the Titanic sank...

  • S05E13 The Legend of the Lost Dutchman's Mine

    • July 1, 2024
    • History Channel

    The search for the most famous gold mine in the Old West has led many to perish in the pursuit of its elusive riches. Legend suggests the gold, and the land it's hidden on, are somehow cursed--yet treasure hunters still come to the Superstition Mountains looking for the hidden hoard. But where exactly is the Lost Dutchman's mine?

  • S05E14 The Assassination of RFK

    • July 8, 2024
    • History Channel

    Five years after John F. Kennedy is killed by gunshot, his brother Robert meets the same fate; an assassin's bullet again changes the course of history, and the latest clues in the case are riddled with inconsistencies.

  • S05E15 Salem Witch Trials

    • July 15, 2024
    • History Channel

    A notorious tragedy leads to one of the darkest chapters in early American history; in 1692, fear rips through the small town of Salem, Massachusetts; accusations fly and many people are put to death.

Additional Specials

  • SPECIAL 0x1 History's Greatest Mysteries: Solved - Tomb of the Unknown Soldier

    • November 13, 2020
    • YouTube

    The Tomb of the Unknown Soldier once held four bodies, now there are only three. Discover the remarkable story of Michael Joseph Blassie who was buried in the tomb for decades before being identified.

  • SPECIAL 0x2 History's Greatest Mysteries: Solved - The USS Indianapolis

    • November 20, 2020
    • YouTube

    On July 30th 1945 the USS Indianapolis was torpedoed by a Japanese submarine. Over 800 sailors were stranded on the open sea, facing devastating conditions and hungry sharks. Only 316 sailors were rescued. The final resting place of the ship was a mystery until 70 years later.

  • SPECIAL 0x3 History's Greatest Mysteries: Solved - The Franklin Expedition

    • November 27, 2020
    • YouTube

    In 1845 the Franklin Expedition set sail on a quest to chart the Arctic and vanished without a trace. 250 years later, a shocking revelation leads to the ships being discovered underneath the ice and the gruesome fate of the explorers is finally revealed.

  • SPECIAL 0x4 History's Greatest Mysteries: Solved - Watergate Whistleblower

    • December 4, 2020
    • YouTube

    In 1974 two journalists brought down President Richard Nixon by uncovering the Watergate Scandal. Crucial to their story was a secret whistleblower called "Deep Throat". Over 30 years later his identity was finally revealed.

  • SPECIAL 0x5 History's Greatest Mysteries: Solved - Duchess Anastasia

    • December 11, 2020
    • YouTube

    Following the execution of the Russian Tsar and his family in 1918 , persistent rumors circulated of his youngest daughter Anastasia's possible escape. Over 100 years later, cutting edge technology finally provides a definitive answer to Her fate.

  • SPECIAL 0x6 History's Greatest Mysteries: Solved - Lindbergh Kidnapper

    • December 18, 2020
    • YouTube

    When famed aviator Charles Lindbergh's baby was kidnapped and murdered in 1932, the press was quick to dub the tragic incident "the crime of the century." For more than 2 years the search for the culprit transfixed the nation.

  • SPECIAL 0x7 History's Greatest Mysteries: Solved - Shackleton's Endurance: The Lost Ice Ship Found

    • March 22, 2022
    • History

    Following recent news of the history-making discovery of Shackleton's ship the Endurance, this 90-minute special will serve as a definitive look at Sir Ernest Shackleton's historic and ill-fated 1914 Antarctic expedition resulting in the loss of his highly revered ship, as well as maritime archaeologists' relentless mission to find this holy grail of shipwrecks.