From a dog's space voyage, to a harrowing story of Arctic survival, to various trips through time; journeys so extraordinary that they are truly unbelievable.

Does a Connecticut man summon a UFO? Are the mysterious lights over the pyramids of Giza visitors from another world? Can an Okla. man make contact with aliens?

Is a mysterious underwater force stranding deep-sea fish in California?; did a fisherman capture a giant sea serpent on camera?; could the latest Loch Ness Monster footage be the most convincing in years?

Did a camper in Florida film the legendary Bigfoot?; could dinosaurs be stalking suburban backyards?; was a goblin really caught on a Kentucky security camera?; Tony Harris and his team analyze compelling footage of strange creatures.

Hawkeye wants to heal a wounded Korean woman whom an ROK officer wants to question.

Radar returns from Tokyo to find a new generator for the camp.

From a dog's space voyage, to a harrowing story of Arctic survival, to various trips through time; journeys so extraordinary that they are truly unbelievable.

Did a couple in Colorado spot Bigfoot from the window of a moving train? Are the spirits of soldiers still haunting the most famous Civil War battleground? Did a sheep farmer capture footage of a legendary Icelandic lake monster?

Isolated along the southernmost part of the planet, Antarctica is best known as the frozen continent.

From 1861-1865, the United States of America found itself in a bloody four-year struggle known as the Civil War.

From riding massive tree trunks down a treacherous slope, to hosting a barrage of monkeys for an all-you-can-eat buffet, to a food fight of epic proportions; these are the stories of history's most bizarre and extraordinary traditions.

As the team launches high-powered rockets into the sky on Skinwalker Ranch, they are frozen in shock by what they encounter.

From 1861-1865, the United States of America found itself in a bloody four-year struggle known as the Civil War.

From riding massive tree trunks down a treacherous slope, to hosting a barrage of monkeys for an all-you-can-eat buffet, to a food fight of epic proportions; these are the stories of history's most bizarre and extraordinary traditions.

Does a Connecticut man summon a UFO? Are the mysterious lights over the pyramids of Giza visitors from another world? Can an Okla. man make contact with aliens?

Is a mysterious underwater force stranding deep-sea fish in California?; did a fisherman capture a giant sea serpent on camera?; could the latest Loch Ness Monster footage be the most convincing in years?

Did a camper in Florida film the legendary Bigfoot?; could dinosaurs be stalking suburban backyards?; was a goblin really caught on a Kentucky security camera?; Tony Harris and his team analyze compelling footage of strange creatures.

Hawkeye wants to heal a wounded Korean woman whom an ROK officer wants to question.

Radar returns from Tokyo to find a new generator for the camp.

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.

Historic flood waters 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 car hunters race to save historic vehicles before a mobile crusher moves in to destroy them.

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.

Historic flood waters 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.

Family-owned hardware stores become behemoth brands who battle it out taking big risks, ushering in new innovations and betting it all in a race to become the number one hardware store chain in America.

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.

A lone wolf prisoner, with aspirations of writing crime novels, ends up the star of his own break out story when he figures out how to escape from one of Mississippi's oldest and most notorious prison farms, Parchman Penitentiary.

During World War II, the Nazi war machine creates specialized death camps; at Sobibor, in Poland, a small group of Jews engineer a mass escape and help bring the story of the Holocaust to the rest of the world.

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

A German American pilot, Dieter Dengler, uses survival skills honed as a child to escape a secret prison in Laos during the early years of the Vietnam war.

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.

A lone wolf prisoner, with aspirations of writing crime novels, ends up the star of his own break out story when he figures out how to escape from one of Mississippi's oldest and most notorious prison farms, Parchman Penitentiary.

During World War II, the Nazi war machine creates specialized death camps; at Sobibor, in Poland, a small group of Jews engineer a mass escape and help bring the story of the Holocaust to the rest of the world.

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

An intruder breaks into the home of a Hollywood actress; Hondo and the team are forced to partner with an old nemesis to track down a dangerous criminal; Tan struggles to find the perfect anniversary gift for his wife.

When violence erupts at a popular food truck festival, the team must contend with a deadly cartel determined to recover a lost drug shipment at any cost.

When faced with a series of random shootings, one team member's family connections could be the key to stopping the next attack; Hondo prepares to meet Rochelle's parents for the first time; Tan helps Luca navigate a sensitive situation.

An intruder breaks into the home of a Hollywood actress; Hondo and the team are forced to partner with an old nemesis to track down a dangerous criminal; Tan struggles to find the perfect anniversary gift for his wife.

When violence erupts at a popular food truck festival, the team must contend with a deadly cartel determined to recover a lost drug shipment at any cost.

When faced with a series of random shootings, one team member's family connections could be the key to stopping the next attack; Hondo prepares to meet Rochelle's parents for the first time; Tan helps Luca navigate a sensitive situation.

A German American pilot, Dieter Dengler, uses survival skills honed as a child to escape a secret prison in Laos during the early years of the Vietnam war.

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.

At Detroit's abandoned Packard plant, Mike gets a tour of an American landmark before it disappears; in Buffalo, Retro Ron's collection features the Holy Grail of vintage bikes.

A challenging modern log home has Beat and his crew risking life and limb; Joel and Bryan Sr. hire an eccentric perfectionist to carve a statue on a tight deadline.

Joel is under the gun at a job in California that is behind schedule before it even begins; the crew works to finish a huge project that is on the verge of shipping out.

As Kevin's log salvaging operation struggles, he pins his hopes on getting back up to his mountain timber claim; a long-time mill hand quits, leaving big shoes to fill.

Finally back up on the mountain, Kevin hauls as much red cedar as he can; Sarah helps with a massive reforestation effort and gets Kevin to create a custom wooden table for a client in California.

Taylor Starr, Adam Palmer, Kru Williams and Don Froese band together to solve the legend of Slumach's lost gold mine.

From 1861-1865, the United States of America found itself in a bloody four-year struggle known as the Civil War.

The gigantic statues of Easter Island have mystified humanity for centuries; how in the world did an ancient civilization, with only primitive tools, carve and then move thousands of these rock monuments around the island, and why?

From riding massive tree trunks down a treacherous slope, to hosting a barrage of monkeys for an all-you-can-eat buffet, to a food fight of epic proportions; these are the stories of history's most bizarre and extraordinary traditions.

An intruder breaks into the home of a Hollywood actress; Hondo and the team are forced to partner with an old nemesis to track down a dangerous criminal; Tan struggles to find the perfect anniversary gift for his wife.

When violence erupts at a popular food truck festival, the team must contend with a deadly cartel determined to recover a lost drug shipment at any cost.

When faced with a series of random shootings, one team member's family connections could be the key to stopping the next attack; Hondo prepares to meet Rochelle's parents for the first time; Tan helps Luca navigate a sensitive situation.

Exploding cars and blimp disasters to kids sent through the mail and doomed personal helicopters; the past is packed with travel tales and the misfires that paved the road to modern transportation.

From 1861-1865, the United States of America found itself in a bloody four-year struggle known as the Civil War.

The gigantic statues of Easter Island have mystified humanity for centuries; how in the world did an ancient civilization, with only primitive tools, carve and then move thousands of these rock monuments around the island, and why?

From riding massive tree trunks down a treacherous slope, to hosting a barrage of monkeys for an all-you-can-eat buffet, to a food fight of epic proportions; these are the stories of history's most bizarre and extraordinary traditions.

Andy and Paul return to Miller Ranch, site of numerous cattle mutilations and highway deaths to poke the hornet's nest at the bridge that has been dubbed The Miller Triangle by the Skinwalker team and find more evidence that the two sites are linked.

When the team deploys a cutting edge new technology on Skinwalker Ranch to study the mysterious Bubble, it leads to an unsettling revelation.

Matty Blake meets with the team to learn more about how the mysterious Bubble is stopping their equipment from entering its barriers.

Exploding cars and blimp disasters to kids sent through the mail and doomed personal helicopters; the past is packed with travel tales and the misfires that paved the road to modern transportation.

When the team deploys a cutting edge new technology on Skinwalker Ranch to study the mysterious Bubble, it leads to an unsettling revelation.

Matty Blake meets with the team to learn more about how the mysterious Bubble is stopping their equipment from entering its barriers.

Andy and Paul return to Miller Ranch, site of numerous cattle mutilations and highway deaths to poke the hornet's nest at the bridge that has been dubbed The Miller Triangle by the Skinwalker team and find more evidence that the two sites are linked.

From 1861-1865, the United States of America found itself in a bloody four-year struggle known as the Civil War.

The gigantic statues of Easter Island have mystified humanity for centuries; how in the world did an ancient civilization, with only primitive tools, carve and then move thousands of these rock monuments around the island, and why?

Exploding cars and blimp disasters to kids sent through the mail and doomed personal helicopters; the past is packed with travel tales and the misfires that paved the road to modern transportation.

Massive and sophisticated contributions from Korea have shaped our modern world, from ancient advances like the greenhouse and armoured boats to modern screen technology, online gaming, E-sports and K-Pop.

Mike struggles to finish the restoration of a legendary muscle car, and trading gets chaotic when he goes up against The Great White Shark; one of Rust Valley's own heads to The Detroit Autorama with a 1964 Acadian.

Ted and Nick hit a 1960s bungalow in a celebrity neighborhood and strike gold with a prospecting machine.

Massive and sophisticated contributions from Korea have shaped our modern world, from ancient advances like the greenhouse and armoured boats to modern screen technology, online gaming, E-sports and K-Pop.

Mike struggles to finish the restoration of a legendary muscle car, and trading gets chaotic when he goes up against The Great White Shark; one of Rust Valley's own heads to The Detroit Autorama with a 1964 Acadian.

A Ukrainian traveler may split after divorcing her husband; a suspicious package is sent to the lab for narcotics testing.

A Canadian is interviewed after officers find pictures of pot plants on his phone; a canine team detects marijuana on a couple.

Klinger seems to lack Radar's knack for cutting through red tape to get some much-needed supplies for the unit.

Radar's departure leaves everyone depressed.

Known as "The Terror of the Gulf," the whereabouts of Jean Lafitte's treasure remain unknown; the swamps and bayous were his base, and likely also his hiding place; treasure hunters have found very little of Lafitte's stash.

Throughout history, legendary weaponry and advanced technologies have often been attributed to divine or extraterrestrial influences. Japanese swords were believed to be forged with the help of the supernatural, while mythical weapons granted by otherworldly beings were wielded by iconic figures like Joan of Arc and King Arthur. The enigmatic Greek fire is yet another weapon attributed to these so-called-gods.

Puma Punku in Bolivia features stone blocks, each carved with precision; the blocks lie scattered across the landscape, confusing archaeologists as to what the ancient site might have been.

Klinger seems to lack Radar's knack for cutting through red tape to get some much-needed supplies for the unit.

Radar's departure leaves everyone depressed.

Known as "The Terror of the Gulf," the whereabouts of Jean Lafitte's treasure remain unknown; the swamps and bayous were his base, and likely also his hiding place; treasure hunters have found very little of Lafitte's stash.

Andy and Paul return to Miller Ranch, site of numerous cattle mutilations and highway deaths to poke the hornet's nest at the bridge that has been dubbed The Miller Triangle by the Skinwalker team and find more evidence that the two sites are linked.

When the team deploys a cutting edge new technology on Skinwalker Ranch to study the mysterious Bubble, it leads to an unsettling revelation.

The Tower of Babel, Sodom and Gomorrah, and Mount Sinai have seemingly vanished from the map; where are the Old Testament's legendary lost places, and what might they reveal?

Examining how thousands of years ago, people all over the world described encounters with enormous, human-like beings; exploring how some archaeologists claim to have found skeletons of extraordinary size; is it possible the giants actually existed?

Known as "The Terror of the Gulf," the whereabouts of Jean Lafitte's treasure remain unknown; the swamps and bayous were his base, and likely also his hiding place; treasure hunters have found very little of Lafitte's stash.

The Tower of Babel, Sodom and Gomorrah, and Mount Sinai have seemingly vanished from the map; where are the Old Testament's legendary lost places, and what might they reveal?

Examining how thousands of years ago, people all over the world described encounters with enormous, human-like beings; exploring how some archaeologists claim to have found skeletons of extraordinary size; is it possible the giants actually existed?

Throughout history, legendary weaponry and advanced technologies have often been attributed to divine or extraterrestrial influences. Japanese swords were believed to be forged with the help of the supernatural, while mythical weapons granted by otherworldly beings were wielded by iconic figures like Joan of Arc and King Arthur. The enigmatic Greek fire is yet another weapon attributed to these so-called-gods.

Puma Punku in Bolivia features stone blocks, each carved with precision; the blocks lie scattered across the landscape, confusing archaeologists as to what the ancient site might have been.

Klinger seems to lack Radar's knack for cutting through red tape to get some much-needed supplies for the unit.

Radar's departure leaves everyone depressed.

Mexico's gifts to the world include the tomato, the avocado, tacos, tequila, Frida Kahlo, Oscar-winning directors, Mexican wrestling, Latino pop music, silver, rubber, and Mayan astronomy.

Mike gives Cassidy the opportunity to take charge on a restoration; Avery finds pieces of a 1942 Harley Davidson buried among Mike's junk and recruits a local motorcycle legend to help him restore it to its former glory; Mike tries to gold snipe.

Ted doubles down on Nick and Brandon's salvage skills and sends the boys out on their very own mission for the first time.

Mexico's gifts to the world include the tomato, the avocado, tacos, tequila, Frida Kahlo, Oscar-winning directors, Mexican wrestling, Latino pop music, silver, rubber, and Mayan astronomy.

Mike gives Cassidy the opportunity to take charge on a restoration; Avery finds pieces of a 1942 Harley Davidson buried among Mike's junk and recruits a local motorcycle legend to help him restore it to its former glory; Mike tries to gold snipe.

A conductor arrives to lead a symphony orchestra; a drug dealer tries to enter the United States.

CBP worries a man from Nicaragua may not leave the U.S.; a traveler's plan to start an e-vape business may go up in smoke.

Father Mulcahy becomes the object of a young nurse's affections.

When Klinger tries to help a South Korean girl financially, her mother misunderstands his motives.

Did a UFO follow two researchers home from an investigation? How did a bear learn to act like a human? Did a trucker capture a legendary Native American creature on his dashcam? Could underwater extraterrestrials be leaving messages?

A video showing a strange formation of flickering lights; a mysterious humanoid creature is caught on camera in an abandoned attic.

Tony Harris analyzes shocking moments captured on camera; a woman survives being sucked into a tornado; an out-of-control elevator reveals a long history of mishaps.

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.

Father Mulcahy becomes the object of a young nurse's affections.

When Klinger tries to help a South Korean girl financially, her mother misunderstands his motives.

Did a UFO follow two researchers home from an investigation? How did a bear learn to act like a human? Did a trucker capture a legendary Native American creature on his dashcam? Could underwater extraterrestrials be leaving messages?

The Tower of Babel, Sodom and Gomorrah, and Mount Sinai have seemingly vanished from the map; where are the Old Testament's legendary lost places, and what might they reveal?

Examining how thousands of years ago, people all over the world described encounters with enormous, human-like beings; exploring how some archaeologists claim to have found skeletons of extraordinary size; is it possible the giants actually existed?

Was a UFO tracking an American fighter plane? What is the creature recorded undulating in waters off southeastern North Carolina? What made the strange howling sounds recorded at a truckstop along Highway 97?

Could a lost metropolis lie beneath the waters off Louisiana? Does a cryptic English carving point the way to the Holy Grail? And might the enigmatic Peralta Stones reveal the path to desert gold? Tony Harris and his team investigate compelling footage of ancient ruins and relics from around the world and deliver their verdict.

Did a UFO follow two researchers home from an investigation? How did a bear learn to act like a human? Did a trucker capture a legendary Native American creature on his dashcam? Could underwater extraterrestrials be leaving messages?

Was a UFO tracking an American fighter plane? What is the creature recorded undulating in waters off southeastern North Carolina? What made the strange howling sounds recorded at a truckstop along Highway 97?

Could a lost metropolis lie beneath the waters off Louisiana? Does a cryptic English carving point the way to the Holy Grail? And might the enigmatic Peralta Stones reveal the path to desert gold? Tony Harris and his team investigate compelling footage of ancient ruins and relics from around the world and deliver their verdict.

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.

Tony Harris analyzes shocking moments captured on camera; a woman survives being sucked into a tornado; an out-of-control elevator reveals a long history of mishaps.

A video showing a strange formation of flickering lights; a mysterious humanoid creature is caught on camera in an abandoned attic.

Father Mulcahy becomes the object of a young nurse's affections.

When Klinger tries to help a South Korean girl financially, her mother misunderstands his motives.

Gold, the shiny precious metal that has been cherished through all recorded time, is vital to the modern world; if gold was suddenly stripped away, the technological and cultural world would be left reeling.

Connor's out to avenge the Rust Bros' failure at last year's demolition derby, but gets more than he expected when Avery and Shafin enter a car of their own; Mike restores a 1965 GMC van with an emotional past.

The Flashback team finds some mint vintage boot-making salvage at an old factory that could be perfect for one of Ted's favourite clients.

Gold, the shiny precious metal that has been cherished through all recorded time, is vital to the modern world; if gold was suddenly stripped away, the technological and cultural world would be left reeling.

Connor's out to avenge the Rust Bros' failure at last year's demolition derby, but gets more than he expected when Avery and Shafin enter a car of their own; Mike restores a 1965 GMC van with an emotional past.

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.

Charles is sure he had a great time in Tokyo, if he could only remember what he did.

Hawkeye and B.J. become lost in enemy territory.

The biggest names in computers go head-to-head in a race to create the first portable computers; through failures, alliances and the return of an American icon, they'll usher in their first ever handheld device.

Exploding cars and blimp disasters to kids sent through the mail and doomed personal helicopters; the past is packed with travel tales and the misfires that paved the road to modern transportation.

Postwar peace and prosperity reveals a demand for more challenging pastimes; after decades of struggle, three different innovators break the mold to release games that combine fun with an intellectual challenge: Scrabble, Clue and Yahtzee.

From a first-century Roman emperor who created an early version of the whoopee cushion to modern materials that emulate human body fluids, gross equals big bucks for toymakers; examining innovative toys designed to shock.

From Furbys to Pogs, the 1990s were full of unforgettable fad toys; it was a decade where old school toys like Beanies Babies went head-to-head with high-tech wonders like Tamagotchi, and parents would do anything to get their hands on them.

Charles is sure he had a great time in Tokyo, if he could only remember what he did.

Hawkeye and B.J. become lost in enemy territory.

The biggest names in computers go head-to-head in a race to create the first portable computers; through failures, alliances and the return of an American icon, they'll usher in their first ever handheld device.

Exploding cars and blimp disasters to kids sent through the mail and doomed personal helicopters; the past is packed with travel tales and the misfires that paved the road to modern transportation.

From riding massive tree trunks down a treacherous slope, to hosting a barrage of monkeys for an all-you-can-eat buffet, to a food fight of epic proportions; these are the stories of history's most bizarre and extraordinary traditions.

An underdog breaks the mold by creating instant photography, revolutionizing how we take photos; and it kicks off a war of innovation between two iconic companies battling to be the number one camera brand in the country.

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.

The biggest names in computers go head-to-head in a race to create the first portable computers; through failures, alliances and the return of an American icon, they'll usher in their first ever handheld device.

An underdog breaks the mold by creating instant photography, revolutionizing how we take photos; and it kicks off a war of innovation between two iconic companies battling to be the number one camera brand in the country.

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.

Exploding cars and blimp disasters to kids sent through the mail and doomed personal helicopters; the past is packed with travel tales and the misfires that paved the road to modern transportation.

Postwar peace and prosperity reveals a demand for more challenging pastimes; after decades of struggle, three different innovators break the mold to release games that combine fun with an intellectual challenge: Scrabble, Clue and Yahtzee.

From a first-century Roman emperor who created an early version of the whoopee cushion to modern materials that emulate human body fluids, gross equals big bucks for toymakers; examining innovative toys designed to shock.

From Furbys to Pogs, the 1990s were full of unforgettable fad toys; it was a decade where old school toys like Beanies Babies went head-to-head with high-tech wonders like Tamagotchi, and parents would do anything to get their hands on them.

Charles is sure he had a great time in Tokyo, if he could only remember what he did.

Hawkeye and B.J. become lost in enemy territory.

Glass brought light into homes and put the world into focus; people use glass to protect ourselves, cure disease, and create artistic masterpieces.

Mike bites off more than he can chew when he helps out with a 1938 Buick Special for an employee, while also racing to finish a 1965 GMC Handi-Van for clients hoping to make up for past mistakes; Mike and Avery train for a local dance competition.

Ted looks back over his first year in business and the team prepares the station for a big open house to cap off the year.

Glass brought light into homes and put the world into focus; people use glass to protect ourselves, cure disease, and create artistic masterpieces.

Mike bites off more than he can chew when he helps out with a 1938 Buick Special for an employee, while also racing to finish a 1965 GMC Handi-Van for clients hoping to make up for past mistakes; Mike and Avery train for a local dance competition.

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.

The 4077th races the clock to save severely wounded soldiers.

Klinger falls victim to the peculiar behavior of the 4077th's personnel.

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.

Andy and Paul return to Miller Ranch, site of numerous cattle mutilations and highway deaths to poke the hornet's nest at the bridge that has been dubbed The Miller Triangle by the Skinwalker team and find more evidence that the two sites are linked.

Don goes deep beneath a Knights Templar stronghold in Turkey to explore a provocative theory that may link the fabled secret society to the founding fathers of America.

Don explores newly discovered ruins and caves in Croatia as he uncovers the true story of a formidable queen who dared to defy the powerful Roman Empire.

The 4077th races the clock to save severely wounded soldiers.

Klinger falls victim to the peculiar behavior of the 4077th's personnel.