Exploring the stories of the planet's fantastic beings.

Throughout civilization there are many kingdoms and mighty empires that have risen, only to one day fall. And for some of them-like the Inca that built Machu Picchu-their eventual demise remains a mystery. What can we discover from clues left behind by these once great empires? Could the Vikings, using their longships and traits as skilled navigators, have travelled farther into America than what we are led to believe?

Mother Nature doesn't always play nice, whether it's a mile-long sinkhole, a biblical swarm of crop-killing grasshoppers or an invasion of rum-fueled monkeys running wild on the island of St. Kitts; stories where humans go head-to-head with nature.

Does the Devil really exist? Tony Harris separates fact from fiction as he investigates photos, videos and sounds that allegedly have a link to Satan; are recordings of an exorcism proof that demonic possession is real?

Bizarre, mysterious tales ran rampant and are still being told to this day; are these strange tales of the American frontier simply legend, or was the west far stranger than one could possibly imagine?

Throughout civilization there are many kingdoms and mighty empires that have risen, only to one day fall. And for some of them-like the Inca that built Machu Picchu-their eventual demise remains a mystery. What can we discover from clues left behind by these once great empires? Could the Vikings, using their longships and traits as skilled navigators, have travelled farther into America than what we are led to believe?

Hawkeye refuses to release a wounded Korean wanted by U.S. Intelligence.

A celebrated general dies in Margaret's quarters, and his aide glorifies the circumstances.

Duane wins two more Electra contracts; Tyler learns landing the DC-3 takes practice.

The completion of a major contract is in jeopardy when Duane leaves the crew to spend time at home.

Logger Kevin Wenstob is forced to make a tough call to make up for lost time on his mountainside timber claim.

Duane wins two more Electra contracts; Tyler learns landing the DC-3 takes practice.

The completion of a major contract is in jeopardy when Duane leaves the crew to spend time at home.

Logger Kevin Wenstob is forced to make a tough call to make up for lost time on his mountainside timber claim.

Recounting the birth of Mickey Mouse, how he began as a pencil sketch and rocketed to lasting fame; the story starts with Walt in his early days in Hollywood when he quickly loses his first successful cartoon character to a powerful middleman.

Facing soaring costs, mounting criticism, and a tight deadline, Walt Disney creates the first full-length animated feature film, giving rise to the billion-dollar business of animated films.

Walt Disney overcomes obstacles to create the first theme park, where instead of thrill rides, he gives the visitor an immersive journey into a story.

Amidst financial troubles, Disney hires an ingenious marketing whiz who helps them figure out how to bring their beloved characters off the screen and into the hands of millions; Mickey becomes the first celebrity face to grace a cereal box and from that moment, the licensing of Disney products becomes a lucrative industry and the gold standard for multimedia corporations all over the world.

Against all odds, Disney turns 27,000 acres of muddy Florida swampland into the world's largest and most visited Theme Park.

For nearly 70 years, Disney has pushed the boundaries of art and science through the work of a team of dreamers, designers, and builders known as the "Imagineers"; a look at the story of these builders who have turned the impossible into a reality.

In the wake of the Civil War, a revolution takes place on the backs of visionary entrepreneurs of industry like Heinz, Kellogg and Post; they push the limits of ingenuity to launch businesses that will revolutionize industry.

A new breed of innovator rises up to expand American industry and push the limits of new technology; a father-and-son duo named Mars start on a path to challenge the chocolate throne.

WWII sees competing industrial empires joining the war effort in a united front to fuel the forces fighting for freedom abroad; in Post-War America, visionaries revolutionize the industry, and pave the way for the golden age of the American dream.

Recounting the birth of Mickey Mouse, how he began as a pencil sketch and rocketed to lasting fame; the story starts with Walt in his early days in Hollywood when he quickly loses his first successful cartoon character to a powerful middleman.

Facing soaring costs, mounting criticism, and a tight deadline, Walt Disney creates the first full-length animated feature film, giving rise to the billion-dollar business of animated films.

Walt Disney overcomes obstacles to create the first theme park, where instead of thrill rides, he gives the visitor an immersive journey into a story.

Amidst financial troubles, Disney hires an ingenious marketing whiz who helps them figure out how to bring their beloved characters off the screen and into the hands of millions; Mickey becomes the first celebrity face to grace a cereal box and from that moment, the licensing of Disney products becomes a lucrative industry and the gold standard for multimedia corporations all over the world.

Against all odds, Disney turns 27,000 acres of muddy Florida swampland into the world's largest and most visited Theme Park.

In Michigan, Danielle falls for a collection of John Deere toys; in Niagara Falls, three sisters open the doors to their late father's antique time capsule.

Mike takes on a rare Hertz Shelby Mustang for his friend's brother, but the badly damaged car might be too far-gone; a drag race against another local shop turns into a Chevelle showdown.

JF begins restoring a 1928 Model A Roadster, while Avery takes on a 1941 military vehicle and these antique machines are full of challenges; Mike chases redemption at the races.

It's all hands on deck as some of Priestly's top buyers arrive at the yard; Ted closes one of his biggest sales of the year when he finally locks down a buyer for the plane fuselage; a practical joke is plotted at Ted's expense.

Mike takes on a rare Hertz Shelby Mustang for his friend's brother, but the badly damaged car might be too far-gone; a drag race against another local shop turns into a Chevelle showdown.

JF begins restoring a 1928 Model A Roadster, while Avery takes on a 1941 military vehicle and these antique machines are full of challenges; Mike chases redemption at the races.

Remember when childhood came with a side of danger? Think back to the toys and daredevil playground antics that once defined growing up; uncovering explosive science kits, high-flying kite tubes and more.

When the sun sets, strange things come alive; imagine a full-scale war waged against thousands of invading frogs, an artist who only paints while sleepwalking, and battlefield wounds that literally glow in the dark; these bizarre and unbelievable moments all have one thing in common they happen only when darkness falls.

Uncovering a plane crash in North Carolina that almost triggered nuclear Armageddon; the story of a UFO attack on a U.S. missile base that was suppressed for decades; a daring Israeli heist to steal a cutting-edge fighter jet.

A twisted mastermind uses homemade bombs to terrorize the nation. Despite one of the most extensive manhunts in U.S. history, he still manages to stay one step ahead of law enforcement for nearly two decades. How did investigators finally catch "The Unabomber," and bring one of America's most elusive criminals to justice?

One spark is all it takes; from the Hindenburg disaster to Krakatoa's violent volcanic eruption in 1883, these explosions are among history's deadliest.

Remember when childhood came with a side of danger? Think back to the toys and daredevil playground antics that once defined growing up; uncovering explosive science kits, high-flying kite tubes and more.

The Allies hope to quickly penetrate the Nazi Reich via Italy but instead endure a months-long slog with devastating results.

Allied air forces engage in a fierce and costly battle with the German Luftwaffe over the skies of Europe.

From a bat swung by one of baseball's boldest pioneers, to an iconic painting hidden behind a false wall, and even a relic tied to our nation's first president, these astonishing finds prove that America's greatest treasures can turn up in the most unlikely places.

When the sun sets, strange things come alive; imagine a full-scale war waged against thousands of invading frogs, an artist who only paints while sleepwalking, and battlefield wounds that literally glow in the dark; these bizarre and unbelievable moments all have one thing in common they happen only when darkness falls.

One spark is all it takes; from the Hindenburg disaster to Krakatoa's violent volcanic eruption in 1883, these explosions are among history's deadliest.

A twisted mastermind uses homemade bombs to terrorize the nation. Despite one of the most extensive manhunts in U.S. history, he still manages to stay one step ahead of law enforcement for nearly two decades. How did investigators finally catch "The Unabomber," and bring one of America's most elusive criminals to justice?

From a bat swung by one of baseball's boldest pioneers, to an iconic painting hidden behind a false wall, and even a relic tied to our nation's first president, these astonishing finds prove that America's greatest treasures can turn up in the most unlikely places.

Remember when childhood came with a side of danger? Think back to the toys and daredevil playground antics that once defined growing up; uncovering explosive science kits, high-flying kite tubes and more.

Uncovering a plane crash in North Carolina that almost triggered nuclear Armageddon; the story of a UFO attack on a U.S. missile base that was suppressed for decades; a daring Israeli heist to steal a cutting-edge fighter jet.

When the sun sets, strange things come alive; imagine a full-scale war waged against thousands of invading frogs, an artist who only paints while sleepwalking, and battlefield wounds that literally glow in the dark; these bizarre and unbelievable moments all have one thing in common they happen only when darkness falls.

A twisted mastermind uses homemade bombs to terrorize the nation. Despite one of the most extensive manhunts in U.S. history, he still manages to stay one step ahead of law enforcement for nearly two decades. How did investigators finally catch "The Unabomber," and bring one of America's most elusive criminals to justice?

From a bat swung by one of baseball's boldest pioneers, to an iconic painting hidden behind a false wall, and even a relic tied to our nation's first president, these astonishing finds prove that America's greatest treasures can turn up in the most unlikely places.

One spark is all it takes; from the Hindenburg disaster to Krakatoa's violent volcanic eruption in 1883, these explosions are among history's deadliest.

Is Slumach's gold guarded by Bigfoot? Legend hunter Randy Brisson and his archive of evidence suggests the location of Slumach's mine and the legend of the Sasquatch converge; Adam and Kru climb the high-altitude rocky spires of Tooth Pass.

A newly discovered video and an old recording of a phone conversation shine a spotlight on a 40-year-old claim that Slumach's gold was found and mined in the 1980s.

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.

Mike takes on the build of a 71 Camaro to honor a friend battling cancer.

Tension grows among the team as they try to fill the trailer with pre-war vehicles across railway ghost towns.

A traveler must make a difficult decision; a bus passenger is busted with bud in her bag.

Officers find cocaine inside a Caribbean cocktail; officers sift through packages of pills.

The doctors of the 4077th have more than they can handle on a bad day in the OR.

A grateful patient devotes himself to Hawkeye, while Klinger gets married, and Radar falls in love.

General Erwin Rommel tears through North Africa; he steals gold and valuables in the name of the Führer; but when the allies surrender, that wealth is nowhere to be found.

Mike takes on the build of a 71 Camaro to honor a friend battling cancer.

Tension grows among the team as they try to fill the trailer with pre-war vehicles across railway ghost towns.

On Christmas morning in 1945, five siblings vanish from their family home in West Virginia during a raging fire; despite the work of dozens of investigators and thousands of amateur sleuths, the mystery remains.

The doctors of the 4077th have more than they can handle on a bad day in the OR.

A grateful patient devotes himself to Hawkeye, while Klinger gets married, and Radar falls in love.

Sightings of the Yeti, a creature of myth and legend, has been recorded for thousands of years throughout the Himalayas and surrounding regions; a seven-foot-tall creature, covered in shaggy gray hair is hiding in plain sight.

General Erwin Rommel tears through North Africa; he steals gold and valuables in the name of the Führer; but when the allies surrender, that wealth is nowhere to be found.

The Allies undertake Operation Overlord, one of the most complicated and massive military invasions in history, to liberate Occupied France and open a true second front in Western Europe.

The Allies and Japan clash in the jungles and plains of Asia, the "forgotten theater" of World War II, as America struggles to bring the fight to Tokyo's door.

The Mongol's unmatched skill in horseback archery and lightning-fast mobility across vast terrains build him into the most elite fighter of his time.

The Allies undertake Operation Overlord, one of the most complicated and massive military invasions in history, to liberate Occupied France and open a true second front in Western Europe.

The Allies and Japan clash in the jungles and plains of Asia, the "forgotten theater" of World War II, as America struggles to bring the fight to Tokyo's door.

The Mongol's unmatched skill in horseback archery and lightning-fast mobility across vast terrains build him into the most elite fighter of his time.

General Erwin Rommel tears through North Africa; he steals gold and valuables in the name of the Führer; but when the allies surrender, that wealth is nowhere to be found.

On Christmas morning in 1945, five siblings vanish from their family home in West Virginia during a raging fire; despite the work of dozens of investigators and thousands of amateur sleuths, the mystery remains.

Sightings of the Yeti, a creature of myth and legend, has been recorded for thousands of years throughout the Himalayas and surrounding regions; a seven-foot-tall creature, covered in shaggy gray hair is hiding in plain sight.

The doctors of the 4077th have more than they can handle on a bad day in the OR.

A grateful patient devotes himself to Hawkeye, while Klinger gets married, and Radar falls in love.

Adam and Kru navigate a vertical mud bog to access a remote lake perched 1000 feet high in the Pitt; Taylor and Don search the Vancouver Police archives for clues as they investigate the man responsible for Slumach's arrest and execution.

Adam, Kru, Don and Kevin follow reports of missing prospector Volcanic Brown to his camp; Adam battles winter weather and his better judgment to find Brown's body; Taylor and cousin Rain Pierre uncover archival evidence linking Slumach's arrest.

A sweet opportunity pushes Justin to re-evaluate his place on the salvage team. At a century-old theater that has been empty for over a decade, Ted uncovers a treasure trove of World War I artifacts, including a vintage compass and bayonet.

Mike restores a 1968 Beaumont for a charity auction, but scrambles to save the build and the fundraiser when his budget is pulled out from under him; Avery steals a Rust Bros client with a German-made Unimog, putting his friendship with Mike at risk.

Matt's final mission is for all thing's fast; the team hunts down muscle cars and racing legends to preserve priceless history.

Real estate entrepreneurs are questioned; a traveler's investments in the U.S. raises alarms; suspicious Mexican souvenirs.

A traveler is caught driving without a license; a U.S. resident returns from the Dominican Republic.

Trapper's ulcer is his ticket home until the Army thinks up a regulation that spoils his going-away party.

Mail call brings upsetting news to Father Mulcahy and a hint to Henry that his wife may be straying.

Discussing whether governments around the world are preparing mankind for a startling event in human history - the official disclosure of extraterrestrial contact.

Mike restores a 1968 Beaumont for a charity auction, but scrambles to save the build and the fundraiser when his budget is pulled out from under him; Avery steals a Rust Bros client with a German-made Unimog, putting his friendship with Mike at risk.

Matt's final mission is for all thing's fast; the team hunts down muscle cars and racing legends to preserve priceless history.

After decades of secrecy, denials and cover-ups, the CIA in 2013 declassify documents confirming the existence of secret military research facility Area 51.

Trapper's ulcer is his ticket home until the Army thinks up a regulation that spoils his going-away party.

Mail call brings upsetting news to Father Mulcahy and a hint to Henry that his wife may be straying.

The Mongol's unmatched skill in horseback archery and lightning-fast mobility across vast terrains build him into the most elite fighter of his time.

The Allies undertake Operation Overlord, one of the most complicated and massive military invasions in history, to liberate Occupied France and open a true second front in Western Europe.

The Allies and Japan clash in the jungles and plains of Asia, the "forgotten theater" of World War II, as America struggles to bring the fight to Tokyo's door.

A strange sphere hovers silently above a house in Nevada. Two bright orbs appear to follow a rocket launch at Cape Canaveral. Are extraterrestrials secretly watching us? Tony Harris and his team analyze the evidence to determine whether something from beyond is monitoring humanity.

In the razor's-edge theater of global brinkmanship, the world has come closer to annihilation than most ever knew. A NATO war game once spooked the Soviets toward a potential nuclear strike, while a daring Cold War project produced a drone-bomber hybrid capable of carrying 16 nuclear weapons. From experimental war machines to the Presidential "Doomsday Plane" built to command America through apocalypse, these are the plans that reveal how near we've stood to the unthinkable.

Discussing whether governments around the world are preparing mankind for a startling event in human history - the official disclosure of extraterrestrial contact.

A strange sphere hovers silently above a house in Nevada. Two bright orbs appear to follow a rocket launch at Cape Canaveral. Are extraterrestrials secretly watching us? Tony Harris and his team analyze the evidence to determine whether something from beyond is monitoring humanity.

In the razor's-edge theater of global brinkmanship, the world has come closer to annihilation than most ever knew. A NATO war game once spooked the Soviets toward a potential nuclear strike, while a daring Cold War project produced a drone-bomber hybrid capable of carrying 16 nuclear weapons. From experimental war machines to the Presidential "Doomsday Plane" built to command America through apocalypse, these are the plans that reveal how near we've stood to the unthinkable.

After decades of secrecy, denials and cover-ups, the CIA in 2013 declassify documents confirming the existence of secret military research facility Area 51.

Discussing whether governments around the world are preparing mankind for a startling event in human history - the official disclosure of extraterrestrial contact.

In the razor's-edge theater of global brinkmanship, the world has come closer to annihilation than most ever knew. A NATO war game once spooked the Soviets toward a potential nuclear strike, while a daring Cold War project produced a drone-bomber hybrid capable of carrying 16 nuclear weapons. From experimental war machines to the Presidential "Doomsday Plane" built to command America through apocalypse, these are the plans that reveal how near we've stood to the unthinkable.

Trapper's ulcer is his ticket home until the Army thinks up a regulation that spoils his going-away party.

Mail call brings upsetting news to Father Mulcahy and a hint to Henry that his wife may be straying.

Moe brings the team to the scene of one of his most terrifying previous investigations.

On a trip to the Deep South, Moe and his team visit a giant limestone cave that is the namesake of this haunted town.

It's all hands on deck as some of Priestly's top buyers arrive at the yard; Ted closes one of his biggest sales of the year when he finally locks down a buyer for the plane fuselage; a practical joke is plotted at Ted's expense.

Mike converts a 1957 GMC truck to run on alcohol for a truck-obsessed teenage girl; Avery goes the extra mile, finishing the Unimog for its hard-to-please owner.

The team tracks down several historic vehicles in the remote region of Rainy River, in Northwestern Ontario; as Steve and Lee compete with Dave, Matt and Jess hit the skies in search of a historic railway truck to assist a local museum.

Human bones are found inside luggage; a pair fails to declare thousands of dollars in jewelry; a mysterious powder is masked by beauty products.

A traveler is caught with injections; officers smoke out marijuana residue; a mom may end up in jail due to a wrong turn.

Frank decides alcohol has become a menace to the 4077th and declares total prohibition.

A possible attack causes nurses and patients to leave the camp.

Hidden dangers once held at bay by humans erupt with force, from everyday objects ready to explode to chemical plants and locust plagues; as nature and human legacy collide, these ticking time bombs threaten to send the world up in smoke.

Mike converts a 1957 GMC truck to run on alcohol for a truck-obsessed teenage girl; Avery goes the extra mile, finishing the Unimog for its hard-to-please owner.

The team tracks down several historic vehicles in the remote region of Rainy River, in Northwestern Ontario; as Steve and Lee compete with Dave, Matt and Jess hit the skies in search of a historic railway truck to assist a local museum.

Danny turns a 1967 GTO into a world-class muscle car; Danny tries to buy a classic Mercury from an old friend.

Roli completes his electric car; a family truck for MLB pitcher Matt Mantei.

Frank decides alcohol has become a menace to the 4077th and declares total prohibition.

A possible attack causes nurses and patients to leave the camp.

Three smiths return for a chance at becoming a two-time winner and having their name forged in history.

A pilot activates his ejector seat at the last second during a rocky landing; a motorist tries to escape a forest full of falling trees; the Hindenburg, the pride of Nazi Germany, explodes in flames while flying over New Jersey in 1937.

A construction worker is caught out on the ledge of a burning building; a humpback whale swallows two kayakers alive; a truck driver narrowly escapes his vehicle before it gets hit by an oncoming train.

Hidden dangers once held at bay by humans erupt with force, from everyday objects ready to explode to chemical plants and locust plagues; as nature and human legacy collide, these ticking time bombs threaten to send the world up in smoke.

The survivalists grow comfortable in their surroundings, until the mountains signal a harsh shift ahead; as winter encroaches, one faces a dangerous predator encounter, while another begins to crack under the pressure.

Three smiths return for a chance at becoming a two-time winner and having their name forged in history.

The survivalists grow comfortable in their surroundings, until the mountains signal a harsh shift ahead; as winter encroaches, one faces a dangerous predator encounter, while another begins to crack under the pressure.

Hidden dangers once held at bay by humans erupt with force, from everyday objects ready to explode to chemical plants and locust plagues; as nature and human legacy collide, these ticking time bombs threaten to send the world up in smoke.

A pilot activates his ejector seat at the last second during a rocky landing; a motorist tries to escape a forest full of falling trees; the Hindenburg, the pride of Nazi Germany, explodes in flames while flying over New Jersey in 1937.

A construction worker is caught out on the ledge of a burning building; a humpback whale swallows two kayakers alive; a truck driver narrowly escapes his vehicle before it gets hit by an oncoming train.

Frank decides alcohol has become a menace to the 4077th and declares total prohibition.

A possible attack causes nurses and patients to leave the camp.

Amidst the amusement parks of Central Florida, Moe and his team investigate a popular escape room attraction where the owners are plagued by supernatural phenomena that no one can explain.

At the site of the infamous Salem Witch Trials, Moe and his team encounter a famous local spirit.

In the season premiere, Ted takes the plunge with his own new salvage business and hits the ground running at an abandoned wrecking yard that may be holding hidden treasures.

Mike sells a Willys Jeep to custom car wizard James West, but the price will be determined by the winner of a drag race; the challenge puts pressure on both shops to produce competition-worthy trucks.

Matt follows a childhood dream to track down the car owned by America's most famous mobster, Al Capone, during his alleged Canadian hideaways.

A one-way ticket raises red flags; a traveler is caught with undeclared meat; officers find a loaded gun and live crab.

Officers find white powder in tea sacks; pills marked ICE are frozen; some furry foreigners arrive to spread good will.

Tired of the GI diet of liver and fish, Hawkeye calls Chicago for an order of ribs.

Hawkeye records a letter to his father detailing his day in the OR with a mad Turk, a missing corpse and a gun-happy officer.

Dr. John Kellogg and his brother start a revolution in breakfast, while rival C.W. Post takes direct aim at an empire of his own.

Mike sells a Willys Jeep to custom car wizard James West, but the price will be determined by the winner of a drag race; the challenge puts pressure on both shops to produce competition-worthy trucks.

Matt follows a childhood dream to track down the car owned by America's most famous mobster, Al Capone, during his alleged Canadian hideaways.

In 1910, airplanes are a novelty, fragile wooden concoctions that float in the air-and crash.

Tired of the GI diet of liver and fish, Hawkeye calls Chicago for an order of ribs.

Hawkeye records a letter to his father detailing his day in the OR with a mad Turk, a missing corpse and a gun-happy officer.

Dr. John Kellogg and his brother start a revolution in breakfast, while rival C.W. Post takes direct aim at an empire of his own.

Walt Disney overcomes obstacles to create the first theme park, where instead of thrill rides, he gives the visitor an immersive journey into a story.

Amidst financial troubles, Disney hires an ingenious marketing whiz who helps them figure out how to bring their beloved characters off the screen and into the hands of millions; Mickey becomes the first celebrity face to grace a cereal box and from that moment, the licensing of Disney products becomes a lucrative industry and the gold standard for multimedia corporations all over the world.

Snack on a feast of food horrors from the past; from radioactive energy drinks, to scandalous snacks made with Olestra, to the additives in your milk and bread, uncovering the things people once ate without a second thought.

Rival cereal giants race to invent the next must-have bowl, sparking a sugary arms race of mascots, crunch, candy and the first ever chocolate cereal.

Dr. John Kellogg and his brother start a revolution in breakfast, while rival C.W. Post takes direct aim at an empire of his own.

Snack on a feast of food horrors from the past; from radioactive energy drinks, to scandalous snacks made with Olestra, to the additives in your milk and bread, uncovering the things people once ate without a second thought.

Rival cereal giants race to invent the next must-have bowl, sparking a sugary arms race of mascots, crunch, candy and the first ever chocolate cereal.

In 1910, airplanes are a novelty, fragile wooden concoctions that float in the air-and crash.

Walt Disney overcomes obstacles to create the first theme park, where instead of thrill rides, he gives the visitor an immersive journey into a story.

Amidst financial troubles, Disney hires an ingenious marketing whiz who helps them figure out how to bring their beloved characters off the screen and into the hands of millions; Mickey becomes the first celebrity face to grace a cereal box and from that moment, the licensing of Disney products becomes a lucrative industry and the gold standard for multimedia corporations all over the world.

Tired of the GI diet of liver and fish, Hawkeye calls Chicago for an order of ribs.

Hawkeye records a letter to his father detailing his day in the OR with a mad Turk, a missing corpse and a gun-happy officer.

Moe and his team host their roadshow at the edge of the American Civil War's most famed battlegrounds, where the ghosts of Union and Confederate soldiers are known to roam.

The spooky lighthouses on the east coast of Canada are only the tip of the paranormal iceberg; Moe and his team visit a historic prison and investigate a haunted axe from a 19th-century murder in another.

Ted and his team salvage an old farmhouse built by settlers who fled the American Revolution; Brandon puts his butt on the line to save some valuable lightning rods.

Rust Valley rivals face off in the Shop Truck Challenge; Mike struggles to restore a 1971 Chevy Blazer for a wedding day surprise; Avery's plan to repurpose a military truck for music festivals hits a sour note.

The team battles against the elements as mass floods threaten to destroy the automotive treasures left behind by generations of commercial fisheries.

A traveler is caught with cocaine-filled pen caps; a long stay alerts CBP; a probation-breaking welder feels the heat.

A fake ID comes to light at the border; a young traveler's stories don't jibe; CBP hounds sniff out forbidden food.

While a search goes on for a dog that bit Radar, Hawkeye defies Frank to take care of a case of hysterical paralysis.

Radar helps out a lamb meant for a Greek festival; Frank is cheated out of an opportunity to persecute a young soldier.

Human bones as a "miracle cure" for gout; living mummies buried alive; a truly bizarre Victorian way to lose weight - with tapeworms; from daily rites to once-in-a-lifetime rituals, the stranger side of human nature is revealed in these rituals.

Rust Valley rivals face off in the Shop Truck Challenge; Mike struggles to restore a 1971 Chevy Blazer for a wedding day surprise; Avery's plan to repurpose a military truck for music festivals hits a sour note.

The team battles against the elements as mass floods threaten to destroy the automotive treasures left behind by generations of commercial fisheries.

Deep within the recesses of the US government archives are secrets that will never see the light of day; but thanks to eyewitness encounters and devoted research many odd events are being uncovered and re-examined.

While a search goes on for a dog that bit Radar, Hawkeye defies Frank to take care of a case of hysterical paralysis.

Radar helps out a lamb meant for a Greek festival; Frank is cheated out of an opportunity to persecute a young soldier.

Human bones as a "miracle cure" for gout; living mummies buried alive; a truly bizarre Victorian way to lose weight - with tapeworms; from daily rites to once-in-a-lifetime rituals, the stranger side of human nature is revealed in these rituals.

Former U.S. government insiders team up to reveal what the government knows about UFOs, led by Luis Elizondo, who ran the U.S. government's $22 million secret UFO program; Elizondo reveals new details about his Pentagon investigation.

A former U.S. Navy radar operator emerges from the shadows to reveal the terrifying day it rained UFOs; evidence of a U.S. military cover-up emerges, as the team gets a major lead guiding them to an island with a clandestine history of UFO activity.

Stories of unidentified creatures living deep beneath the surface of oceans and lakes include sightings of giant sharks, prehistoric serpents, and even razor-toothed mermaids.

From a doctor who swallowed Yellow Fever vomit to prove a theory, to another who stitched together a two-headed dog, history's boldest experiments reveal just how far some minds will go; buckle in for a flying lawn chair ride, hear sound played through a dead man's ear, and witness a billionaire's bloody hunt for immortality; these are the maddest minds-and their most unbelievable experiments.

Human bones as a "miracle cure" for gout; living mummies buried alive; a truly bizarre Victorian way to lose weight - with tapeworms; from daily rites to once-in-a-lifetime rituals, the stranger side of human nature is revealed in these rituals.

Stories of unidentified creatures living deep beneath the surface of oceans and lakes include sightings of giant sharks, prehistoric serpents, and even razor-toothed mermaids.

From a doctor who swallowed Yellow Fever vomit to prove a theory, to another who stitched together a two-headed dog, history's boldest experiments reveal just how far some minds will go; buckle in for a flying lawn chair ride, hear sound played through a dead man's ear, and witness a billionaire's bloody hunt for immortality; these are the maddest minds-and their most unbelievable experiments.

Deep within the recesses of the US government archives are secrets that will never see the light of day; but thanks to eyewitness encounters and devoted research many odd events are being uncovered and re-examined.

Former U.S. government insiders team up to reveal what the government knows about UFOs, led by Luis Elizondo, who ran the U.S. government's $22 million secret UFO program; Elizondo reveals new details about his Pentagon investigation.

A former U.S. Navy radar operator emerges from the shadows to reveal the terrifying day it rained UFOs; evidence of a U.S. military cover-up emerges, as the team gets a major lead guiding them to an island with a clandestine history of UFO activity.

While a search goes on for a dog that bit Radar, Hawkeye defies Frank to take care of a case of hysterical paralysis.

Radar helps out a lamb meant for a Greek festival; Frank is cheated out of an opportunity to persecute a young soldier.

Jimmy is sent to a mining camp to build an ice landing strip for a DC-3 and a C-46.

Engine troubles force Devan to shut down an engine.

Kevin and his wife Sarah take on a special order; they need to find a one-in-a-million fir tree for a sailing school that is rebuilding a rare replica of a 1778-era schooner.

Jimmy is sent to a mining camp to build an ice landing strip for a DC-3 and a C-46.

Engine troubles force Devan to shut down an engine.

Kevin and his wife Sarah take on a special order; they need to find a one-in-a-million fir tree for a sailing school that is rebuilding a rare replica of a 1778-era schooner.

Four men conspire to break out of one of the most notorious prisons in American history; three of them break out using a makeshift raft and vanish.

The story of the escape of more than 70 men from Stalag Luft III, a German prisoner of war camp; only three eventually survived.

Looking at the many prison escapes of James Earl Ray, who assassinated Martin Luther King Jr., including his escape from Brushy Mountain State Prison, Tennessee.

A lifelong escape artist, Forrest Tucker, ends up in San Quentin prison; despite his advanced age, he manages to engineer an audacious prison break.

During the Civil War, a daring prison break frees hundreds of captured Union soldiers; Colonel Thomas Rose was a schoolteacher before the Civil War; when he was captured and sent to Libby Prison in Richmond Virginia, he engineers a mass escape.

Petty thief Rene Belbenoit is captured and sentenced to hard time at France's notorious penal colony in French Guiana; he is determined to escape or die trying, and his story becomes the basis of several popular movies in Hollywood.

France ships prisoners to Devil's Island located off French Guiana so they would vanish from the public eye; Alfred Dreyfus, is a military officer is convicted of crimes he didn't commit.

Attica, a 90-year-old maximum-security prison in upstate New York, has a legacy of violence and inmate abuse stretching back decades; stories include the serial killer Son of Sam who gets his throat slashed, a successful escape, and a riot.

San Quentin located in Marin County on the San Francisco Bay is California's oldest prison dating back to the gold rush, and home to the state's only gas chamber.

On ADX, "Alcatraz of the Rockies" located in Florence, Colorado, Ishmael Petty attacks the staff; Tommy Silverstein finds a way to communicate with Ramzi Youssef; an inmate starves himself to protest the prison's policies.

On the Hanoi Hilton, an American POW prison of the Vietnam War located in the city of Hanoi, Vietnam; captives include John McCain, the group of airmen who invent a secret communication code, and Jeremiah Denton who sneaks messages home on live TV.

Three stories of men willing to take risks to escape the cold, dark cells of "the Rock"; six convicts organize a jailbreak; three men attempt an elaborate breakout.

The escape from Alcatraz in 1962 forces the government into a merciless manhunt, but the three inmates are never found; the family of the escaped Anglin brothers searches for answers to its very public mystery.

Four men conspire to break out of one of the most notorious prisons in American history; three of them break out using a makeshift raft and vanish.

The story of the escape of more than 70 men from Stalag Luft III, a German prisoner of war camp; only three eventually survived.

Looking at the many prison escapes of James Earl Ray, who assassinated Martin Luther King Jr., including his escape from Brushy Mountain State Prison, Tennessee.

A lifelong escape artist, Forrest Tucker, ends up in San Quentin prison; despite his advanced age, he manages to engineer an audacious prison break.

During the Civil War, a daring prison break frees hundreds of captured Union soldiers; Colonel Thomas Rose was a schoolteacher before the Civil War; when he was captured and sent to Libby Prison in Richmond Virginia, he engineers a mass escape.

Petty thief Rene Belbenoit is captured and sentenced to hard time at France's notorious penal colony in French Guiana; he is determined to escape or die trying, and his story becomes the basis of several popular movies in Hollywood.

Mike makes moves on a bonanza of rare signs and surfboards; Robbie and Jersey scour a Vermont homestead's classic car boneyard.

Mike and Avery try to get an auctioneer to help them downsize their collections, but Avery scares him off; frame issues leave Mike's restoration of a Diamond T truck dead in the water.

With his car auction fast approaching, Mike strategizes how to draw a bigger crowd; James West takes on his most challenging build yet - turning a 1955 Cadillac into a 70s-inspired Street.

In the season premiere, Ted takes the plunge with his own new salvage business and hits the ground running at an abandoned wrecking yard that may be holding hidden treasures.

Mike and Avery try to get an auctioneer to help them downsize their collections, but Avery scares him off; frame issues leave Mike's restoration of a Diamond T truck dead in the water.

With his car auction fast approaching, Mike strategizes how to draw a bigger crowd; James West takes on his most challenging build yet - turning a 1955 Cadillac into a 70s-inspired Street.

There was a time when any and all cures could be sold to the public indiscriminately; diving into a world where animal skin can replace your own, where doctors give coffee enemas and a world of heroin-laced cough syrup.

How did a pet pig spring into action to save its owner's life? Which mysterious spirits became the unlikely heroes that turned the tide for a doomed flight? And what shocking move did a carjacker make to rescue a baby trapped in a scorching car? These are the wild, unexpected stories of heroes you'd never see coming.

Stalin's gruesome trials to create a hybrid human-ape super army; the eerie reason East Germany's Stasi collected the scents of dissidents in airtight jars; how the CIA uncovered a secret Soviet island devoted to developing deadly bioweapons.

A series of shocking murders shake the city of Boston to its core. Each victim, 13 women in all, bore the signature of this serial killer: a bow wrapped around their neck. With the Boston police department facing enormous pressure to bring this predator-or predators-to justice, all eyes are on Boston. Sixty years later, the question remains: who was the Boston Strangler?

From ancient war machines to devastating weapons of mass destruction, these are the innovations that changed warfare and rank among history's deadliest.

There was a time when any and all cures could be sold to the public indiscriminately; diving into a world where animal skin can replace your own, where doctors give coffee enemas and a world of heroin-laced cough syrup.

The Allies undertake Operation Overlord, one of the most complicated and massive military invasions in history, to liberate Occupied France and open a true second front in Western Europe.

The Allies and Japan clash in the jungles and plains of Asia, the "forgotten theater" of World War II, as America struggles to bring the fight to Tokyo's door.

A forgotten manuscript in a dusty trunk; a priceless painting discovered in plain sight; a royal tomb hidden for millennia beneath the sands; these famous finds prove history's greatest treasures often resurface when least expected.

How did a pet pig spring into action to save its owner's life? Which mysterious spirits became the unlikely heroes that turned the tide for a doomed flight? And what shocking move did a carjacker make to rescue a baby trapped in a scorching car? These are the wild, unexpected stories of heroes you'd never see coming.

From ancient war machines to devastating weapons of mass destruction, these are the innovations that changed warfare and rank among history's deadliest.

A series of shocking murders shake the city of Boston to its core. Each victim, 13 women in all, bore the signature of this serial killer: a bow wrapped around their neck. With the Boston police department facing enormous pressure to bring this predator-or predators-to justice, all eyes are on Boston. Sixty years later, the question remains: who was the Boston Strangler?

A forgotten manuscript in a dusty trunk; a priceless painting discovered in plain sight; a royal tomb hidden for millennia beneath the sands; these famous finds prove history's greatest treasures often resurface when least expected.

There was a time when any and all cures could be sold to the public indiscriminately; diving into a world where animal skin can replace your own, where doctors give coffee enemas and a world of heroin-laced cough syrup.

Stalin's gruesome trials to create a hybrid human-ape super army; the eerie reason East Germany's Stasi collected the scents of dissidents in airtight jars; how the CIA uncovered a secret Soviet island devoted to developing deadly bioweapons.

How did a pet pig spring into action to save its owner's life? Which mysterious spirits became the unlikely heroes that turned the tide for a doomed flight? And what shocking move did a carjacker make to rescue a baby trapped in a scorching car? These are the wild, unexpected stories of heroes you'd never see coming.

A series of shocking murders shake the city of Boston to its core. Each victim, 13 women in all, bore the signature of this serial killer: a bow wrapped around their neck. With the Boston police department facing enormous pressure to bring this predator-or predators-to justice, all eyes are on Boston. Sixty years later, the question remains: who was the Boston Strangler?

A forgotten manuscript in a dusty trunk; a priceless painting discovered in plain sight; a royal tomb hidden for millennia beneath the sands; these famous finds prove history's greatest treasures often resurface when least expected.

From ancient war machines to devastating weapons of mass destruction, these are the innovations that changed warfare and rank among history's deadliest.

Joel wrecks a truck; Beat and André sell a thousand-year-old tree; Peter and Bryan Jr. argue over equipment.

Delivery trucks arrive to a build out of order; Bryan Jr. remodels a local bar for a friend; Peter must be innovative to solve a problem.

At the site of a famous old hotel, Ted has to deal with a mountain of salvage and a ghost.

A Rust Valley road trip steers Mike into the danger zone after Connor gives him an ultimatum: buy another car and Connor will blow up one from the Field of Dreams.

Matt's team turns west on a mission to uncover iconic pieces from Canada's black gold rush era.

Officers find a stash of luxury knockoffs; a drag race fan slows his roll; CBP catches a wanted duo.

A car's radiation levels alert CBP; an officer digs up a stash of deadly bath salts; multiple phones materialize.

Frank is driven by his jealousy of Trapper into proposing to Hot Lips.

A lecture, a Shirley Temple movie and a picnic are among the activities scheduled for the 4077th.

The Burning Bush, the 10 Plagues, the Parting of the Red Sea these Biblical events in the Book of Exodus have shaped Judeo-Christian beliefs for centuries.

A Rust Valley road trip steers Mike into the danger zone after Connor gives him an ultimatum: buy another car and Connor will blow up one from the Field of Dreams.

Matt's team turns west on a mission to uncover iconic pieces from Canada's black gold rush era.

A medieval manuscript, which is filled with unidentifiable drawings and written in a secret language so complex that even the world's best code breakers can't crack, it has obsessed everyone from scholars to conspiracy theorists.

Frank is driven by his jealousy of Trapper into proposing to Hot Lips.

A lecture, a Shirley Temple movie and a picnic are among the activities scheduled for the 4077th.

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.

The Burning Bush, the 10 Plagues, the Parting of the Red Sea these Biblical events in the Book of Exodus have shaped Judeo-Christian beliefs for centuries.