Adolf Hitler was deeply into the occult and even established a Nazi organization called the Ahnenerbe, with a secret mission to track down and confiscate holy relics.

Are UFOs monitoring military activity? A strange, jellyfish-shaped object is caught on camera over a restricted base. In Italy, a pilot captures images that defy explanation. Tony Harris and his team investigate these chilling encounters and deliver their verdict.

Step inside hidden areas where history was steered in secret, from Churchill's wartime bunker, complete with a direct line to FDR concealed inside his private bathroom, to a Soviet weapons base in the desert exposed only by a daring U-2 spy mission.

Examining how far the U.S. goes to protect the commander in chief.

Adolf Hitler was deeply into the occult and even established a Nazi organization called the Ahnenerbe, with a secret mission to track down and confiscate holy relics.

Step inside hidden areas where history was steered in secret, from Churchill's wartime bunker, complete with a direct line to FDR concealed inside his private bathroom, to a Soviet weapons base in the desert exposed only by a daring U-2 spy mission.

Frank throws his back out and applies for a Purple Heart, while Hawkeye mourns the loss of a friend and sends an underage soldier home.

Hawkeye writes to his father detailing Radar's attempts at passing an exam and a sudden cooling of affections between Frank and Margaret.

Lisa, Scooter and company driver Muskie Todd team up as a three-truck convoy to take on the notorious Asheweig Road; the trio must work together to survive a looming disaster.

The Muskie Creek convoy struggles to recover from disaster after an ice bridge collapses beneath Lisa's truck, tipping her off the road; Scooter launches an unorthodox plan to get them back on track; Todd races out of the wilderness on a deadline.

Beat builds a cabin in Germany; Peter and Bryan Sr. win a Guinness World Record; Joel takes on a difficult project.

Mike and the crew take on a World War II-era Power Wagon; a 1968 Chevy Chevelle becomes a nightmare job.

Dave and his daughter Alyssa struggle to recover a vintage ore cart from an abandoned copper mine; Angela struggles on what should be an easy job, and Dale goes on an epic hunt for furnace oil for Donny's shop.

A senior has some unfriendly gear in his RV; a Canadian returning from Panama tells all.

An American is busted trying to catch a different kind of trip; officers help a tipsy traveler.

During a cold snap, a pair of long johns sent to Hawkeye from home becomes a much-sought-after commodity.

While settling down to listen to the Army-Navy game, the 4077th is bombarded and left with an unexploded bomb to defuse.

The modern concept of extreme sports is a product of marketing, but back in the old days, the lack of rules made them truly extreme; from bone-crushing football and deadly baseball games to wild events like auto polo.

Mike and the crew take on a World War II-era Power Wagon; a 1968 Chevy Chevelle becomes a nightmare job.

Dave and his daughter Alyssa struggle to recover a vintage ore cart from an abandoned copper mine; Angela struggles on what should be an easy job, and Dale goes on an epic hunt for furnace oil for Donny's shop.

Before toilet paper, Americans used just about anything, until the Scott brothers turn a mistake into an opportunity and invent the toilet paper roll.

During a cold snap, a pair of long johns sent to Hawkeye from home becomes a much-sought-after commodity.

While settling down to listen to the Army-Navy game, the 4077th is bombarded and left with an unexploded bomb to defuse.

A struggling chocolate maker and a young theater assistant create the movie theater concession stand and launch the world's most iconic movie candies.

A century ago, shipping packages was slow and shipping overnight was impossible, until two Seattle brothers risk everything to reinvent shipping packages for all; a tenacious Yale graduate creates a world-famous express delivery service.

Before toilet paper, Americans used just about anything, until the Scott brothers turn a mistake into an opportunity and invent the toilet paper roll.

Stephen Whitman introduces Americans to chocolate candy in a sampler box; Russell Stover builds a competing company; both brands help turn chocolate from an unknown import to a boxed American staple, given as a gift of love to this day.

The modern concept of extreme sports is a product of marketing, but back in the old days, the lack of rules made them truly extreme; from bone-crushing football and deadly baseball games to wild events like auto polo.

A struggling chocolate maker and a young theater assistant create the movie theater concession stand and launch the world's most iconic movie candies.

Stephen Whitman introduces Americans to chocolate candy in a sampler box; Russell Stover builds a competing company; both brands help turn chocolate from an unknown import to a boxed American staple, given as a gift of love to this day.

The modern concept of extreme sports is a product of marketing, but back in the old days, the lack of rules made them truly extreme; from bone-crushing football and deadly baseball games to wild events like auto polo.

A century ago, shipping packages was slow and shipping overnight was impossible, until two Seattle brothers risk everything to reinvent shipping packages for all; a tenacious Yale graduate creates a world-famous express delivery service.

Before toilet paper, Americans used just about anything, until the Scott brothers turn a mistake into an opportunity and invent the toilet paper roll.

A struggling chocolate maker and a young theater assistant create the movie theater concession stand and launch the world's most iconic movie candies.

During a cold snap, a pair of long johns sent to Hawkeye from home becomes a much-sought-after commodity.

While settling down to listen to the Army-Navy game, the 4077th is bombarded and left with an unexploded bomb to defuse.

Muskie Creek operations manager Bill Danh sends a six-truck convoy, including Lisa, Scooter, and Todd, on a crucial but near-impossible mission to a remote outpost on the Hudson Bay, traveling the world's longest winter road.

Scooter and Muskie Todd split from the convoy and blast deeper into the wilderness, where Scooter's truck vanishes into a drift left by a recent blizzard; Bill sends reinforcements as Todd and Lisa battle to complete their mission.

Bryan Jr. feels the heat to recreate the cozy log home a British Columbia couple lost to a fire; Peter hopes for a ticket to heaven by building a covered entryway for the local church.

Mike restores a 1966 Mustang in the hope of finding a buyer with deep pockets; Connor helps his dad sell a 1968 Plymouth Satellite.

After Angela accepts a job from Dave, Big Donny lures her away with a better offer; Dave tries to get back at him by buying a truck Donny wanted just so he can flip it to him for a profit; an overworked Junior convinces Craig to go for a joyride.

A heavy automobile container hints at trouble; A student's stash of food brings him discomfort.

A traveler returns with a surprise; Marine officers come upon an infested container.

After a bad session in the O.R., Hawkeye quarrels with Frank over his inadequacies, then finds one of his own patients is sinking fast.

When Frank threatens to leave, Hawkeye and Trapper find it means double duty for them and invent a way to make him stay.

From wild devices that powered down before booting up to groundbreaking innovations that transformed society, we look at tech creations that broke the bank and changed the course of modern history.

Mike restores a 1966 Mustang in the hope of finding a buyer with deep pockets; Connor helps his dad sell a 1968 Plymouth Satellite.

After Angela accepts a job from Dave, Big Donny lures her away with a better offer; Dave tries to get back at him by buying a truck Donny wanted just so he can flip it to him for a profit; an overworked Junior convinces Craig to go for a joyride.

Mike and Jersey go wild for a Kentucky stockpile; Mike steps up with a high bid for the Holy Grail of vintage motorbikes.

After a bad session in the O.R., Hawkeye quarrels with Frank over his inadequacies, then finds one of his own patients is sinking fast.

When Frank threatens to leave, Hawkeye and Trapper find it means double duty for them and invent a way to make him stay.

A Kentucky roadside attraction is packed with rare signs; in Louisiana, bundle-master Mike helps Robbie seal the deal on a time-capsule truck.

Mike and Jersey sift through a tidal wave of early technology; Robbie is determined to rev up a one-of-a-kind car with no owner's manual.

Whether unearthed in woodsheds, abandoned places and even the local dump, these discarded and forgotten backyard discoveries lead to jaw-dropping jackpots.

Chum goes bananas when a seller brings in vintage toys from the Planet of the Apes franchise. Then, Rick and Corey press play on vintage Motorama and Jet Pilot arcade games. Will they have a high score, or will the seller level up their offer? Later, Chum goes paw-sitively bonkers for a Rin Tin Tin "autograph. And finally, Rick looks for a price that impresses him much when a seller comes in with a pair of boots worn by country superstar Shania Twain.

From wild devices that powered down before booting up to groundbreaking innovations that transformed society, we look at tech creations that broke the bank and changed the course of modern history.

A Kentucky roadside attraction is packed with rare signs; in Louisiana, bundle-master Mike helps Robbie seal the deal on a time-capsule truck.

Chum goes bananas when a seller brings in vintage toys from the Planet of the Apes franchise. Then, Rick and Corey press play on vintage Motorama and Jet Pilot arcade games. Will they have a high score, or will the seller level up their offer? Later, Chum goes paw-sitively bonkers for a Rin Tin Tin "autograph. And finally, Rick looks for a price that impresses him much when a seller comes in with a pair of boots worn by country superstar Shania Twain.

From wild devices that powered down before booting up to groundbreaking innovations that transformed society, we look at tech creations that broke the bank and changed the course of modern history.

Whether unearthed in woodsheds, abandoned places and even the local dump, these discarded and forgotten backyard discoveries lead to jaw-dropping jackpots.

Mike and Jersey sift through a tidal wave of early technology; Robbie is determined to rev up a one-of-a-kind car with no owner's manual.

Mike and Jersey go wild for a Kentucky stockpile; Mike steps up with a high bid for the Holy Grail of vintage motorbikes.

After a bad session in the O.R., Hawkeye quarrels with Frank over his inadequacies, then finds one of his own patients is sinking fast.

When Frank threatens to leave, Hawkeye and Trapper find it means double duty for them and invent a way to make him stay.

The fundamental creation of the wheel helps shape the human experience, but if the wheel suddenly stopped working and society lost the greatest, game-changing accomplishments made using wheel technology, the world would be vastly different.

Exploring what the world would be like if salt and all of its vital contributions, from food preservation to enabling industry, were to suddenly disappear.

While Beat constructs a luxury fishing lodge in northern British Columbia, Bryan Jr. gives the local gun shop a much-needed facelift; Peter joins forces with his former crane operator, Nelly, to build a sandbox on steroids for her baby girl.

Mike fixes a 1961 Cadillac to showcase and smash to pieces at Rust Valley's annual Demolition Derby; mechanic Dave enters a 1974 Chrysler New Yorker for the big event.

In the Northwest Territories, Dale and Craig struggle to deliver essential goods to communities reeling from the pandemic, but keep getting derailed by personal demons; In B.C., Angela hustles to distribute a massive load of hand sanitizer.

A student is failing his customs exam; officers prevent an artifact from going down in history.

The canine unit brings home the bacon; A traveler discovers she's got a friend in high places.

News spreads throughout the camp that a cease-fire is imminent.

While an entertainer does a show from an improvised stage in the compound, the comedy and drama of the doctors' lives go on.

Some of Earth's most remarkable creatures push the limits of belief from a headless chicken who toured the nation, to a goat who tipped the scales of war, to dolphins drafted into Cold War espionage; proof that the strangest legends sometimes walk, swim, or fly among us.

Mike fixes a 1961 Cadillac to showcase and smash to pieces at Rust Valley's annual Demolition Derby; mechanic Dave enters a 1974 Chrysler New Yorker for the big event.

In the Northwest Territories, Dale and Craig struggle to deliver essential goods to communities reeling from the pandemic, but keep getting derailed by personal demons; In B.C., Angela hustles to distribute a massive load of hand sanitizer.

From the eerie reports of spontaneous human combustion and the hunt for the Highgate Vampire, to the unsettling boogeymen known as the Men in Black appearing after UFO sightings, could these legends be more than just stories?

News spreads throughout the camp that a cease-fire is imminent.

While an entertainer does a show from an improvised stage in the compound, the comedy and drama of the doctors' lives go on.

Some of Earth's most remarkable creatures push the limits of belief from a headless chicken who toured the nation, to a goat who tipped the scales of war, to dolphins drafted into Cold War espionage; proof that the strangest legends sometimes walk, swim, or fly among us.

Did two warehouse employees discover a mystery monster in Mexico? It's a classic 1960s UFO photo, but is it history or a hoax? Has someone genetically engineered a half-human, half-goat hybrid? Did someone photograph a ghost in the same haunted hotel that inspired Stephen King's "The Shining"? Tony Harris and his team of experts examine the clues and deliver the answers.

From the eerie reports of spontaneous human combustion and the hunt for the Highgate Vampire, to the unsettling boogeymen known as the Men in Black appearing after UFO sightings, could these legends be more than just stories?

Africa is the birthplace of humanity and remains one of the most mysterious continents on Earth. From lost cities buried beneath shifting sands, to abandoned ruins steeped in fascinating folklore, to the elusive tomb of history's most mighty queen, what secrets lie hidden throughout Africa's vast and unexplored ancient landscape?

A trip to the doctor is sure to cure any afflicted individual, but what happens when even the doctors are stunned by what they see?; from a family cursed with blue skin, to a girl allergic to the world's most unlimited resource and more.

Some of Earth's most remarkable creatures push the limits of belief from a headless chicken who toured the nation, to a goat who tipped the scales of war, to dolphins drafted into Cold War espionage; proof that the strangest legends sometimes walk, swim, or fly among us.

Africa is the birthplace of humanity and remains one of the most mysterious continents on Earth. From lost cities buried beneath shifting sands, to abandoned ruins steeped in fascinating folklore, to the elusive tomb of history's most mighty queen, what secrets lie hidden throughout Africa's vast and unexplored ancient landscape?

A trip to the doctor is sure to cure any afflicted individual, but what happens when even the doctors are stunned by what they see?; from a family cursed with blue skin, to a girl allergic to the world's most unlimited resource and more.

Did two warehouse employees discover a mystery monster in Mexico? It's a classic 1960s UFO photo, but is it history or a hoax? Has someone genetically engineered a half-human, half-goat hybrid? Did someone photograph a ghost in the same haunted hotel that inspired Stephen King's "The Shining"? Tony Harris and his team of experts examine the clues and deliver the answers.

From the eerie reports of spontaneous human combustion and the hunt for the Highgate Vampire, to the unsettling boogeymen known as the Men in Black appearing after UFO sightings, could these legends be more than just stories?

Africa is the birthplace of humanity and remains one of the most mysterious continents on Earth. From lost cities buried beneath shifting sands, to abandoned ruins steeped in fascinating folklore, to the elusive tomb of history's most mighty queen, what secrets lie hidden throughout Africa's vast and unexplored ancient landscape?

News spreads throughout the camp that a cease-fire is imminent.

While an entertainer does a show from an improvised stage in the compound, the comedy and drama of the doctors' lives go on.

Chuck quits due to all the drama and Joe clashes with maintenance when a sale is delayed.

When the C-46 has a hydraulic fluid leak on the valley run, Jimmy is forced to crawl into the "hellhole.".

Kevin Wenstob negotiates a deal with a big new customer who drives a hard bargain; Erik struggles to fix the mill's broken log loader and Sarah catches an interloper at the mill.

Chuck quits due to all the drama and Joe clashes with maintenance when a sale is delayed.

When the C-46 has a hydraulic fluid leak on the valley run, Jimmy is forced to crawl into the "hellhole.".

Kevin Wenstob negotiates a deal with a big new customer who drives a hard bargain; Erik struggles to fix the mill's broken log loader and Sarah catches an interloper at the mill.

Survival experts try finding food, shelter, and water as they each begin the task of living alone.

Wolves and bears continue to cause problems; finding clean drinking water soon becomes a critical issue for the men.

The extreme isolation is beginning to take its toll on the men; a survivalist undertakes a massive cabin project.

The remaining survivalists show signs of cracking; one participant finds himself stalked by a cougar.

A brutal storm batters the remaining men and gale-force winds tear through their makeshift camps; one survivalist pushes his bush-craft skills to limit attempts to find a way to set sail on the turbulent seas.

The remaining participants are finally adapting to the cruel environment, but the hunt for food leads them into harms way; one man is forced to drop his new boat miles from camp.

In the viciously freezing temperatures, the hunt for food becomes the primary focus of the remaining survivalists; some find gratifying success, while others face complete failure.

Temperatures fall on the island and the remaining contestants are forced to face the onset of winter head on; one man risks it all, while everyone struggles with the continuing effects of isolation and freezing temperatures.

Extreme isolation takes its toll on the rest of the participants in the wild; each man's battle turns to the mind as well as the elements.

Two men are left on Vancouver Island as the storm of the year blows in; the unrelenting elements, isolation and starvation force one to go home.

Two men are left on Vancouver Island as the storm of the year blows in; the unrelenting elements, isolation and starvation force one to go home.

Survival experts try finding food, shelter, and water as they each begin the task of living alone.

Wolves and bears continue to cause problems; finding clean drinking water soon becomes a critical issue for the men.

The extreme isolation is beginning to take its toll on the men; a survivalist undertakes a massive cabin project.

The remaining survivalists show signs of cracking; one participant finds himself stalked by a cougar.

A brutal storm batters the remaining men and gale-force winds tear through their makeshift camps; one survivalist pushes his bush-craft skills to limit attempts to find a way to set sail on the turbulent seas.

The remaining participants are finally adapting to the cruel environment, but the hunt for food leads them into harms way; one man is forced to drop his new boat miles from camp.

In the viciously freezing temperatures, the hunt for food becomes the primary focus of the remaining survivalists; some find gratifying success, while others face complete failure.

A major setback in the final stages of restoring a 1964 Parisienne blows Mike's budget; the day of Mike's auction and the biggest financial gamble of his life arrives; Mike grapples with regret, and chaos threatens to derail the entire event.

Mike kicks off his fifth year in business with the restoration of a rare 1971 International Scout II, before teaming up with his brothers to find a new home for their late father's 1964 Mercury motor.

At the site of a 19th century country church that has reached the end of its life, the salvage team plans to delicately extract fragile stained-glass windows and 200-year-old pine beams, but things quickly go sideways.

A major setback in the final stages of restoring a 1964 Parisienne blows Mike's budget; the day of Mike's auction and the biggest financial gamble of his life arrives; Mike grapples with regret, and chaos threatens to derail the entire event.

Mike kicks off his fifth year in business with the restoration of a rare 1971 International Scout II, before teaming up with his brothers to find a new home for their late father's 1964 Mercury motor.

Remember when looking your best meant risking life and limb?; from dentures that could explode at the dinner table and stiff shirt collars that strangled people to death, to toxic hair implants and tanning pills that left them glowing orange.

History is full of people pushing the limits, but some are more astonishing than others; like the man who single-handedly liberated a town during World War II; or an epic robbery in Buenos Aires that was pulled off with zero casualties.

Undercover smokescreens driven by daring agents in service of executing a greater purpose.

The world's most famous painting vanishes in a daring heist, sparking international outrage and a global manhunt; a master detective is called in, who zeroes in on a handful of suspects with the motive and means to pull off the theft; who stole the legendary Mona Lisa?

Isolated, deadly, and unforgettable; places like Iwo Jima, Devil's Island, and Snake Island are home to some of history's darkest stories.

Remember when looking your best meant risking life and limb?; from dentures that could explode at the dinner table and stiff shirt collars that strangled people to death, to toxic hair implants and tanning pills that left them glowing orange.

After the attack on Pearl Harbor, Japanese forces sweep across Southeast Asia; on Guadalcanal, United States Marines are given the bloody task of stopping their relentless advance.

As Hitler's reach extends beyond Germany and darkness descends on Europe, his hateful rhetoric leads to anti-Jewish persecution and ultimately, genocide.

A long-lost keepsake tied to the world's most famous astronaut, a giant flying reptile that once ruled the skies, and a previously unknown planet orbiting two suns; some extraordinary discoveries remind us to keep looking up.

History is full of people pushing the limits, but some are more astonishing than others; like the man who single-handedly liberated a town during World War II; or an epic robbery in Buenos Aires that was pulled off with zero casualties.

Isolated, deadly, and unforgettable; places like Iwo Jima, Devil's Island, and Snake Island are home to some of history's darkest stories.

The world's most famous painting vanishes in a daring heist, sparking international outrage and a global manhunt; a master detective is called in, who zeroes in on a handful of suspects with the motive and means to pull off the theft; who stole the legendary Mona Lisa?

A long-lost keepsake tied to the world's most famous astronaut, a giant flying reptile that once ruled the skies, and a previously unknown planet orbiting two suns; some extraordinary discoveries remind us to keep looking up.

Remember when looking your best meant risking life and limb?; from dentures that could explode at the dinner table and stiff shirt collars that strangled people to death, to toxic hair implants and tanning pills that left them glowing orange.

Undercover smokescreens driven by daring agents in service of executing a greater purpose.

History is full of people pushing the limits, but some are more astonishing than others; like the man who single-handedly liberated a town during World War II; or an epic robbery in Buenos Aires that was pulled off with zero casualties.

The world's most famous painting vanishes in a daring heist, sparking international outrage and a global manhunt; a master detective is called in, who zeroes in on a handful of suspects with the motive and means to pull off the theft; who stole the legendary Mona Lisa?

A long-lost keepsake tied to the world's most famous astronaut, a giant flying reptile that once ruled the skies, and a previously unknown planet orbiting two suns; some extraordinary discoveries remind us to keep looking up.

Isolated, deadly, and unforgettable; places like Iwo Jima, Devil's Island, and Snake Island are home to some of history's darkest stories.

Descendants of the Black Loyalists, Jamaican Maroons, and the Black Refugees represent Canada's largest Black population, and their incredible story begins in Nova Scotia in the 1700s.

Born free of an Ojibwe father and an escaped-slave mother in Upper Canada, John 'Daddy' Hall fought in the War of 1812, was captured and sold into slavery.

Bryan builds a log smoker; Beat creates a summer home; Joel converts his kids' playhouse into a mini man-cave.

Mike restores a 1938 International Harvester; the shop holds a swap meet; wedding bells ring for Greg.

Dale takes on river crossings and rocky mountain roads while hauling a piano by himself to a wealthy client with sky-high expectations; the engine in Dave's brand-new hotshot truck fails, leaving him a narrow window to replace it before the deadline.

Strange beetles and butterflies are mailed into Canada that may carry disease.

A captain navigates troubled waters when he forgets to declare himself to the authorities.

The personnel of the 4077th try to make a good impression on a psychiatrist when threatened with reassignment.

Daily bombing near the hospital by an inept North Korean pilot becomes the leading spectator sport at the 4077th.

Known for their seafaring skills and feared for their ferocity, the Vikings amassed gold, silver and other riches while trading and raiding across Europe; catches of this treasure have been found in Europe and North America, but this may be just the tip of the iceberg; are there any rich Viking hoards still waiting to be found? And if so, where are they?

Mike restores a 1938 International Harvester; the shop holds a swap meet; wedding bells ring for Greg.

Dale takes on river crossings and rocky mountain roads while hauling a piano by himself to a wealthy client with sky-high expectations; the engine in Dave's brand-new hotshot truck fails, leaving him a narrow window to replace it before the deadline.

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.".

The personnel of the 4077th try to make a good impression on a psychiatrist when threatened with reassignment.

Daily bombing near the hospital by an inept North Korean pilot becomes the leading spectator sport at the 4077th.

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.

Known for their seafaring skills and feared for their ferocity, the Vikings amassed gold, silver and other riches while trading and raiding across Europe; catches of this treasure have been found in Europe and North America, but this may be just the tip of the iceberg; are there any rich Viking hoards still waiting to be found? And if so, where are they?

In Operation Torch, the first joint U.S.-British offensive of the war, thousands of inexperienced U.S. troops, and their untested leader Eisenhower, face off against the hardened German Afrika Korps and the infamous Field Marshal Erwin Rommel.

Behind the fierce frontline clashes of WWII, a hidden battle rages - one of espionage, deception, and codebreaking. In rural England, a group of brilliant academics work to crack Germany's unbreakable Enigma Code and change the course of the war.

A Delta Force operator deploys unparalleled skill in counterterrorism, hostage rescue, and covert operations; his ability to neutralize high-level threats makes the Delta Force operator a critical force in combating global terrorism.

In Operation Torch, the first joint U.S.-British offensive of the war, thousands of inexperienced U.S. troops, and their untested leader Eisenhower, face off against the hardened German Afrika Korps and the infamous Field Marshal Erwin Rommel.

Behind the fierce frontline clashes of WWII, a hidden battle rages - one of espionage, deception, and codebreaking. In rural England, a group of brilliant academics work to crack Germany's unbreakable Enigma Code and change the course of the war.

A Delta Force operator deploys unparalleled skill in counterterrorism, hostage rescue, and covert operations; his ability to neutralize high-level threats makes the Delta Force operator a critical force in combating global terrorism.

Known for their seafaring skills and feared for their ferocity, the Vikings amassed gold, silver and other riches while trading and raiding across Europe; catches of this treasure have been found in Europe and North America, but this may be just the tip of the iceberg; are there any rich Viking hoards still waiting to be found? And if so, where are they?

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.".

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.

The personnel of the 4077th try to make a good impression on a psychiatrist when threatened with reassignment.

Daily bombing near the hospital by an inept North Korean pilot becomes the leading spectator sport at the 4077th.

For many years Hogan's Alley was the heart of Vancouver's Black community; in the 1850s James Douglas invited Blacks to settle Vancouver Island in an effort to stave off American annexation.

Tucked between Griffintown and St. Henri in Montreal's Sud-Ouest is Little Burgundy, home to a Black population led by Black men who worked in Canada's railway industry as sleeping car porters.

Andre receives a game-changing request; Joel and Bryan Sr. build their first log boathouse.

Mike restores a 1941 Ford Super Deluxe and a 1964 Ford Fairlane 500; a natural disaster threatens the shop.

Angela and Dave need to transport a tiny home from Saskatchewan to British Columbia in time for a wedding; Dave's obsessed with a military rotator that would expand his business, but he can't afford it unless he makes a devilish deal with Big Donny.

An American arrives at customs with firearms; a traveler makes a breathtaking statement.

An irritated traveler pushes officers to the limit; Haitian fruits may contain more than vitamins.

Unrequited love, death, danger, duty and tomfoolery make up a typical day in the 4077th. Guest starring Joan Van Ark.

Hawkeye and Trapper are determined to make an issue of the accidental shelling of a South Korean village by U.S. artillery.

The Freemasons are rumored to be able to trace their roots back to the medieval warrior monks known as the Knights Templar, and it is a fact that they were highly influential in the founding of the United States.

Mike restores a 1941 Ford Super Deluxe and a 1964 Ford Fairlane 500; a natural disaster threatens the shop.

Angela and Dave need to transport a tiny home from Saskatchewan to British Columbia in time for a wedding; Dave's obsessed with a military rotator that would expand his business, but he can't afford it unless he makes a devilish deal with Big Donny.

In 1962, Martin Luther King Jr. criticized Hoover's FBI for refusing to prosecute white supremacists who had burned down Black churches in Albany, Ga.; Hoover took King's criticisms as a personal insult, and he ordered the FBI to investigate King.

Unrequited love, death, danger, duty and tomfoolery make up a typical day in the 4077th. Guest starring Joan Van Ark.

Hawkeye and Trapper are determined to make an issue of the accidental shelling of a South Korean village by U.S. artillery.

A Delta Force operator deploys unparalleled skill in counterterrorism, hostage rescue, and covert operations; his ability to neutralize high-level threats makes the Delta Force operator a critical force in combating global terrorism.

In Operation Torch, the first joint U.S.-British offensive of the war, thousands of inexperienced U.S. troops, and their untested leader Eisenhower, face off against the hardened German Afrika Korps and the infamous Field Marshal Erwin Rommel.

Behind the fierce frontline clashes of WWII, a hidden battle rages - one of espionage, deception, and codebreaking. In rural England, a group of brilliant academics work to crack Germany's unbreakable Enigma Code and change the course of the war.

A shadowy figure appears inside a Miami mall; a group of hikers in Bolivia see a translucent figure walking along a remote riverbank. Caught on camera and witnessed up close, these chilling sightings raise a terrifying question: are aliens living among us? Tony Harris and his team investigate the evidence to uncover the truth.

David Duchovny exposes a clandestine nuclear blast set off deep below Mississippi soil, secret experiments conducted on citizens in the New York subway system, and a wartime bunker built to trap British spies underground during a Nazi invasion.

The Freemasons are rumored to be able to trace their roots back to the medieval warrior monks known as the Knights Templar, and it is a fact that they were highly influential in the founding of the United States.

A shadowy figure appears inside a Miami mall; a group of hikers in Bolivia see a translucent figure walking along a remote riverbank. Caught on camera and witnessed up close, these chilling sightings raise a terrifying question: are aliens living among us? Tony Harris and his team investigate the evidence to uncover the truth.

David Duchovny exposes a clandestine nuclear blast set off deep below Mississippi soil, secret experiments conducted on citizens in the New York subway system, and a wartime bunker built to trap British spies underground during a Nazi invasion.

In 1962, Martin Luther King Jr. criticized Hoover's FBI for refusing to prosecute white supremacists who had burned down Black churches in Albany, Ga.; Hoover took King's criticisms as a personal insult, and he ordered the FBI to investigate King.

The Freemasons are rumored to be able to trace their roots back to the medieval warrior monks known as the Knights Templar, and it is a fact that they were highly influential in the founding of the United States.

David Duchovny exposes a clandestine nuclear blast set off deep below Mississippi soil, secret experiments conducted on citizens in the New York subway system, and a wartime bunker built to trap British spies underground during a Nazi invasion.

Unrequited love, death, danger, duty and tomfoolery make up a typical day in the 4077th. Guest starring Joan Van Ark.

Hawkeye and Trapper are determined to make an issue of the accidental shelling of a South Korean village by U.S. artillery.

Discovering the roots of Black music in Canada, from the early black settlers of the Underground Railroad to the 1960s Caribbean migration, which introduced music which shaped all music within Canada today.

Examining the systemic barriers that Black artists face in the radio and music label industries and how this led to pivotal moments and historic protests that shaped the current landscape of the music industry today.

Bryan builds a log smoker; Beat creates a summer home; Joel converts his kids' playhouse into a mini man-cave.

Connor restores a 1967 Chevy II behind Mike's back; Mike installs an engine in a 1964 Ford F100 truck.

Dave and Angela are forced to put a recovery job with his new army rotator on hold, when they get a rescue call from a dangerous mountain trail; Dale and Craig renew their bad blood while on a mission together at a remote fire watchtower.

Packaged sweets at JFK Airport; a Dutch visitor travels stateside; mistaken identity for a traveler in Washington State; party girls' plans are deflated.

Officers don't believe a traveler's claims; a Canadian traveler is upset; clearance issues for a package from China.

After three days of near-continuous duty, Hawkeye's behavior becomes wackier than usual.

A small Korean boy with minor injuries captures the hearts of all in the 4077th.

Taking a look back at some of the most incredible moments from past seasons of "Alone.".

Connor restores a 1967 Chevy II behind Mike's back; Mike installs an engine in a 1964 Ford F100 truck.

Dave and Angela are forced to put a recovery job with his new army rotator on hold, when they get a rescue call from a dangerous mountain trail; Dale and Craig renew their bad blood while on a mission together at a remote fire watchtower.

A look back at dangerous and iconic moments from the past; from serious injuries to wild animal encounters, hazardous situations test the steadfast survivalists on their adventures.

After three days of near-continuous duty, Hawkeye's behavior becomes wackier than usual.

A small Korean boy with minor injuries captures the hearts of all in the 4077th.

Taking a look back at some of the most incredible moments from past seasons of "Alone.".

Steve retraces the perilous journey of the Donner Party through the unforgiving Sierra Nevada Mountains, where 19th-century pioneers were trapped by brutal winter storms; Steve faces the snow-covered terrain to explore the survival tactics.

A look back at dangerous and iconic moments from the past; from serious injuries to wild animal encounters, hazardous situations test the steadfast survivalists on their adventures.

Meet the ten international survivalists of ALONE: World Championship at their final stop before the journey begins. In these last critical hours, they refine their strategies, lock in their gear, and prepare for the brutal conditions awaiting them beyond the Arctic Circle.

In ALONE's first-ever World Championship, ten new survivalists from across the globe are dropped into the remote and rugged Arctic Circle to battle for $500,000; while some find early success through trapping and hunting, one competitor quickly discovers that skill alone may not be enough to endure what lies ahead.

A look back at dangerous and iconic moments from the past; from serious injuries to wild animal encounters, hazardous situations test the steadfast survivalists on their adventures.

Meet the ten international survivalists of ALONE: World Championship at their final stop before the journey begins. In these last critical hours, they refine their strategies, lock in their gear, and prepare for the brutal conditions awaiting them beyond the Arctic Circle.

In ALONE's first-ever World Championship, ten new survivalists from across the globe are dropped into the remote and rugged Arctic Circle to battle for $500,000; while some find early success through trapping and hunting, one competitor quickly discovers that skill alone may not be enough to endure what lies ahead.

Taking a look back at some of the most incredible moments from past seasons of "Alone.".

After three days of near-continuous duty, Hawkeye's behavior becomes wackier than usual.

A small Korean boy with minor injuries captures the hearts of all in the 4077th.

Explore the journey of Black women in Canadian music and their contributions and breakthroughs, which paved the way for artists despite limited industry support, racism and sexism, and their ongoing fight for recognition in the industry.

Explore the current state of Black music in Canada, the impact of losing Canada's first Black radio station FLOW 93.5, and what's next for Black Canadian artists with the power of the internet.

Andre receives a game-changing request; Joel and Bryan Sr. build their first log boathouse.

Mike risks ruin when he resurrects his costly restoration of a 1968 Camaro; new shop manager Avery sends the budget soaring on a 1966 Super Bee, and they discover that thieves may be stealing parts from the Field of Dreams.

Dave ropes Craig into a massive snowcat move but rising tensions threaten to upend the job; Dale races to conquer a precarious mountain road to make an important delivery; Angela fights for traction in slick winter conditions.

A traveler returns from Colombia with a lot of luggage; a pregnant passenger in Detroit; a package from India is halted; a traveler is Washington is questioned.

An auto theft arrest in Detroit; dozens of vials in the JFK Mail Facility; an American traveler has reptiles; a traveler in New York shows signs of smuggling; a family reunites in Detroit.

An enlisted man who wants to marry a Korean girl comes to Hawkeye for help.

Hot Lips and Frank challenge Henry's fitness to command by reporting the activities of the 4077th to the Army brass.

Meet the ten international survivalists of ALONE: World Championship at their final stop before the journey begins. In these last critical hours, they refine their strategies, lock in their gear, and prepare for the brutal conditions awaiting them beyond the Arctic Circle.

Mike risks ruin when he resurrects his costly restoration of a 1968 Camaro; new shop manager Avery sends the budget soaring on a 1966 Super Bee, and they discover that thieves may be stealing parts from the Field of Dreams.

Dave ropes Craig into a massive snowcat move but rising tensions threaten to upend the job; Dale races to conquer a precarious mountain road to make an important delivery; Angela fights for traction in slick winter conditions.

Steve retraces the perilous journey of the Donner Party through the unforgiving Sierra Nevada Mountains, where 19th-century pioneers were trapped by brutal winter storms; Steve faces the snow-covered terrain to explore the survival tactics.

An enlisted man who wants to marry a Korean girl comes to Hawkeye for help.

Hot Lips and Frank challenge Henry's fitness to command by reporting the activities of the 4077th to the Army brass.

A look back at dangerous and iconic moments from the past; from serious injuries to wild animal encounters, hazardous situations test the steadfast survivalists on their adventures.

Meet the ten international survivalists of ALONE: World Championship at their final stop before the journey begins. In these last critical hours, they refine their strategies, lock in their gear, and prepare for the brutal conditions awaiting them beyond the Arctic Circle.

In ALONE's first-ever World Championship, ten new survivalists from across the globe are dropped into the remote and rugged Arctic Circle to battle for $500,000; while some find early success through trapping and hunting, one competitor quickly discovers that skill alone may not be enough to endure what lies ahead.

From moon landings and movie props to space junk and sci-fi treasures, Mike we unveil the most finds from the Final Frontier-space.

A look back at dangerous and iconic moments from the past; from serious injuries to wild animal encounters, hazardous situations test the steadfast survivalists on their adventures.

Steve investigates the 1972 disappearance of the Begich/Boggs flight, a case that sparked the largest search in Alaska's history.

From moon landings and movie props to space junk and sci-fi treasures, Mike we unveil the most finds from the Final Frontier-space.

Meet the ten international survivalists of ALONE: World Championship at their final stop before the journey begins. In these last critical hours, they refine their strategies, lock in their gear, and prepare for the brutal conditions awaiting them beyond the Arctic Circle.

In ALONE's first-ever World Championship, ten new survivalists from across the globe are dropped into the remote and rugged Arctic Circle to battle for $500,000; while some find early success through trapping and hunting, one competitor quickly discovers that skill alone may not be enough to endure what lies ahead.

An enlisted man who wants to marry a Korean girl comes to Hawkeye for help.

Hot Lips and Frank challenge Henry's fitness to command by reporting the activities of the 4077th to the Army brass.

Exploring the untold stories of the triumphs and challenges of Black Canadian and Caribbean soldiers who served in the Canadian Army at the height of Nazism during World War II, and the sacrifices made by Canadian soldiers of all backgrounds.

The canine unit uncovers trouble in Michigan; blood-stained baggage in Detroit; officers are suspicious of a Canadian citizen.

Beat creates a western-style guesthouse; Andre and Joel build an archway to rope in tourists.

Mike's restoration of a 1966 Pontiac Parisienne connects him with Rust Valley's most oddball residents, as does a major swap meet, while his son Connor pushes him to help out a friend recovering from tragedy.

Historic floodwaters slam the region, stranding Junior and forcing Big Donny's new hires to step up on a mountain-side tow recovery; Dale needs a helping hand to keep his fledgling business alive.

JFK Airport officials look for drugs in backpacks; a driver in Washington arrives in someone else's vehicle; a Detroit citizen takes a wrong turn.

The canine unit uncovers trouble in Michigan; blood-stained baggage in Detroit; officers are suspicious of a Canadian citizen.

Hawkeye writes a letter to his father, telling him some of the wacky goings-on at the 4077th.

The personnel of the 4077th are besieged by a lone sniper who believes he is firing on U.S. headquarters.

A blind man who uses bat-like powers of echolocation to navigate his surroundings; a samurai with reflexes faster than a speeding bullet; a man who's immune to electrocution.

Mike's restoration of a 1966 Pontiac Parisienne connects him with Rust Valley's most oddball residents, as does a major swap meet, while his son Connor pushes him to help out a friend recovering from tragedy.

Historic floodwaters slam the region, stranding Junior and forcing Big Donny's new hires to step up on a mountain-side tow recovery; Dale needs a helping hand to keep his fledgling business alive.

The great-great-granddaughter of one of Canada's first Black servicemen hunts down a missing relic; across the Prairies, a historical tailor decodes the deathbed confession of his grandfather, a World War II veteran.

Hawkeye writes a letter to his father, telling him some of the wacky goings-on at the 4077th.

The personnel of the 4077th are besieged by a lone sniper who believes he is firing on U.S. headquarters.

The dramatic tale of Owens' athletic dedication, perseverance and triumph over Hitler's Aryan supremacy agenda.