From the destructive Viking axe to the sacred but deadly Samurai katana, checking out razor sharp blades wielded by fearsome warriors that have spilled blood and forged empires.

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.

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.

America's deadliest prison gang, the Aryan Brotherhood, goes to war with anyone who stands in their way.

When Hispanic men see their membership to the Hells Angels denied, they form their own club: the Mongols Motorcycle Club; they clash with the Hells Angels and law enforcement.

The smiths must forge a signature blade out of a 50-caliber flintlock pistol; despite giving it their best shot, it becomes a struggle to turn a gun into a blade and after two grueling rounds, two smiths get sent barreling towards elimination.

While shocking events take place in the same location where the team has witnessed UAPs fly in and out of the Mesa, a cow is found to have died under very disturbing circumstances.

Kidd and Harry traverse through intense whitewater to reach the spawning grounds of steelhead trout.

While shocking events take place in the same location where the team has witnessed UAPs fly in and out of the Mesa, a cow is found to have died under very disturbing circumstances.

Lisa Kelly finds herself stranded hundreds of miles from the nearest town; Darrell Ward takes an off-road shortcut; Art Burke encounters a melting ice crossing and a full load; Steph Custance finds out whether she'll become part of the Polar team.

From early exploration to cutting-edge technologies, Sweden has helped define the modern world through innovations from Viking ship design, IT, dynamite, Nobel prizes, and the music of ABBA.

Dutch inventions and innovators have changed the world, from artists like Rembrandt and Van Gogh to Anne Frank, the first stock exchange, telescopes, submarines, windmills, flowers and gin.

Lisa Kelly finds herself stranded hundreds of miles from the nearest town; Darrell Ward takes an off-road shortcut; Art Burke encounters a melting ice crossing and a full load; Steph Custance finds out whether she'll become part of the Polar team.

From early exploration to cutting-edge technologies, Sweden has helped define the modern world through innovations from Viking ship design, IT, dynamite, Nobel prizes, and the music of ABBA.

Alfred's skills are put to the test when a performer brings in her manager's jukebox; Fireman Dave rescues a barbershop chair that was damaged; Leah reinvigorates a Charlie McCarthy dummy, while Sara reconstructs a Black Forest cuckoo clock.

Competitors march into a dry moat where they resurrect old swords and forge them into a Viking Seax, using the time-tested coal forge; the finalists return home to recreate a pair of deadly Viking War Axes.

Jake and his dogs tree three cats in one day; Paul prepares his haul of winter fur for market; explores a new piece of land to call his own.

The answers to a 229-year-old treasure mystery may be connected to a former American slave and British soldier who became one of Oak Island's wealthiest residents.

All of Rome's emperors have put great value on spectacles and games, but only one steps out of the Imperial Box and onto the sands of the arena; a far cry from his father, the great Emperor Marcus Aurelius, Commodus is quick to make enemies.

By the 4th Century AD, a divided Roman Empire is rocked by devastating earthquakes, fires, barbarian invasions and deep religious divides. As Rome declines, the Colosseum, which once stood as a proud symbol of the Empire's glory, lies empty. To restore Rome, one man, a devout worshipper of the Rome's old Gods, turns to the arena. Can staging elaborate and expensive games there reverse Rome's decline?

A new investigation at the mysterious Triangle reveals multiple UAPs before the team makes a discovery in the creek that borders the southern region of the property.

Jake and his dogs tree three cats in one day; Paul prepares his haul of winter fur for market; explores a new piece of land to call his own.

Competitors march into a dry moat where they resurrect old swords and forge them into a Viking Seax, using the time-tested coal forge; the finalists return home to recreate a pair of deadly Viking War Axes.

The answers to a 229-year-old treasure mystery may be connected to a former American slave and British soldier who became one of Oak Island's wealthiest residents.

All of Rome's emperors have put great value on spectacles and games, but only one steps out of the Imperial Box and onto the sands of the arena; a far cry from his father, the great Emperor Marcus Aurelius, Commodus is quick to make enemies.

By the 4th Century AD, a divided Roman Empire is rocked by devastating earthquakes, fires, barbarian invasions and deep religious divides. As Rome declines, the Colosseum, which once stood as a proud symbol of the Empire's glory, lies empty. To restore Rome, one man, a devout worshipper of the Rome's old Gods, turns to the arena. Can staging elaborate and expensive games there reverse Rome's decline?

The answers to a 229-year-old treasure mystery may be connected to a former American slave and British soldier who became one of Oak Island's wealthiest residents.

All of Rome's emperors have put great value on spectacles and games, but only one steps out of the Imperial Box and onto the sands of the arena; a far cry from his father, the great Emperor Marcus Aurelius, Commodus is quick to make enemies.

By the 4th Century AD, a divided Roman Empire is rocked by devastating earthquakes, fires, barbarian invasions and deep religious divides. As Rome declines, the Colosseum, which once stood as a proud symbol of the Empire's glory, lies empty. To restore Rome, one man, a devout worshipper of the Rome's old Gods, turns to the arena. Can staging elaborate and expensive games there reverse Rome's decline?

Competitors march into a dry moat where they resurrect old swords and forge them into a Viking Seax, using the time-tested coal forge; the finalists return home to recreate a pair of deadly Viking War Axes.

A new investigation at the mysterious Triangle reveals multiple UAPs before the team makes a discovery in the creek that borders the southern region of the property.

Jake and his dogs tree three cats in one day; Paul prepares his haul of winter fur for market; explores a new piece of land to call his own.

A new investigation at the mysterious Triangle reveals multiple UAPs before the team makes a discovery in the creek that borders the southern region of the property.

Darrell and Lisa head into Alberta and onto a trail nicknamed The Death Road; Art faces off with the ice crossing where he nearly lost his life last season; Todd takes rookie Steph Custance under his wing as she embarks on her first journey.

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.

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

Darrell and Lisa head into Alberta and onto a trail nicknamed The Death Road; Art faces off with the ice crossing where he nearly lost his life last season; Todd takes rookie Steph Custance under his wing as she embarks on her first journey.

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.

A wife brings PJ the car of her husband's dreams - a 1990s Corvette - but it needs a complete overhaul; David and Sara bet on their ability to save a very early pinball game; Alfred breathes new life into a rare German accordion.

Four bladesmiths test their mettle in a rock quarry, where they're tasked with making blades using harvested steel and coal forges; the smiths construct a blade while fighting the elements; the remaining two smiths must re-create the Spanish Navaja.

On his 80th birthday, Tom builds a teepee while Nancy plans a surprise party.

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.

A trove of mysterious artifacts contains an unexpected link to the U.K.; Jeff and Amaryllis uncover evidence of the Holmes curse and the shocking theory that the killer escaped his own death.

H.H. Holmes' grave is exhumed in an attempt to prove that he pulled off one final swindle and escaped his own execution.

The legend that warns against digging on Skinwalker Ranch becomes all too real as the team breaks ground near the Triangle.

On his 80th birthday, Tom builds a teepee while Nancy plans a surprise party.

Four bladesmiths test their mettle in a rock quarry, where they're tasked with making blades using harvested steel and coal forges; the smiths construct a blade while fighting the elements; the remaining two smiths must re-create the Spanish Navaja.

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.

A trove of mysterious artifacts contains an unexpected link to the U.K.; Jeff and Amaryllis uncover evidence of the Holmes curse and the shocking theory that the killer escaped his own death.

H.H. Holmes' grave is exhumed in an attempt to prove that he pulled off one final swindle and escaped his own execution.

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.

A trove of mysterious artifacts contains an unexpected link to the U.K.; Jeff and Amaryllis uncover evidence of the Holmes curse and the shocking theory that the killer escaped his own death.

H.H. Holmes' grave is exhumed in an attempt to prove that he pulled off one final swindle and escaped his own execution.

Four bladesmiths test their mettle in a rock quarry, where they're tasked with making blades using harvested steel and coal forges; the smiths construct a blade while fighting the elements; the remaining two smiths must re-create the Spanish Navaja.

The legend that warns against digging on Skinwalker Ranch becomes all too real as the team breaks ground near the Triangle.

On his 80th birthday, Tom builds a teepee while Nancy plans a surprise party.

The legend that warns against digging on Skinwalker Ranch becomes all too real as the team breaks ground near the Triangle.

Rookie Steph Custance tries to complete the first ice road mission of her career; Alex Debogorski runs into a road block as temperatures soar; Art Burke attempts to deliver to a new community; Darrell Ward braves an unregulated winter road.

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.

Rookie Steph Custance tries to complete the first ice road mission of her career; Alex Debogorski runs into a road block as temperatures soar; Art Burke attempts to deliver to a new community; Darrell Ward braves an unregulated winter road.

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.

Restoring a classic video game; LA makes a sailor's tool chest seaworthy once again; a classic Kodak camera goes from the junk drawer to picture perfect; a father gives his daughter a family treasure.

Four master smiths compete alongside their apprentices to forge an iconic weapon of warfare: the trench knife; each team must work together, tagging in and out every half hour, with only one smith allowed to touch the knife at a time.

Marty installs floats on his bush plane and flies to a remote lake to hunt moose; Lauro and Neil harvest driftwood and build a log river raft from scratch; Mike traverses hostile terrain on Afognak Island to take down a bull elk.

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 an established fact that they were highly influential in the founding of the United States.

When Civil War veteran Col. Henry Carrington takes command of Fort Phil Kearny in Northern Wyoming, he never expects to face such a ferocious enemy as Red Cloud's band of Lakota Sioux.

In northern Wyoming's Powder River Valley, a group of ranchers band together to protect their rights to graze cattle; a powerful cabal of cattle barons smear the ranchers as common thieves and plot an invasion.

New ground penetrating radar reveals that a number of mysterious objects may be buried deep inside of the Mesa.

Marty installs floats on his bush plane and flies to a remote lake to hunt moose; Lauro and Neil harvest driftwood and build a log river raft from scratch; Mike traverses hostile terrain on Afognak Island to take down a bull elk.

Four master smiths compete alongside their apprentices to forge an iconic weapon of warfare: the trench knife; each team must work together, tagging in and out every half hour, with only one smith allowed to touch the knife at a time.

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 an established fact that they were highly influential in the founding of the United States.

When Civil War veteran Col. Henry Carrington takes command of Fort Phil Kearny in Northern Wyoming, he never expects to face such a ferocious enemy as Red Cloud's band of Lakota Sioux.

In northern Wyoming's Powder River Valley, a group of ranchers band together to protect their rights to graze cattle; a powerful cabal of cattle barons smear the ranchers as common thieves and plot an 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 an established fact that they were highly influential in the founding of the United States.

When Civil War veteran Col. Henry Carrington takes command of Fort Phil Kearny in Northern Wyoming, he never expects to face such a ferocious enemy as Red Cloud's band of Lakota Sioux.

In northern Wyoming's Powder River Valley, a group of ranchers band together to protect their rights to graze cattle; a powerful cabal of cattle barons smear the ranchers as common thieves and plot an invasion.

Four master smiths compete alongside their apprentices to forge an iconic weapon of warfare: the trench knife; each team must work together, tagging in and out every half hour, with only one smith allowed to touch the knife at a time.

New ground penetrating radar reveals that a number of mysterious objects may be buried deep inside of the Mesa.

Marty installs floats on his bush plane and flies to a remote lake to hunt moose; Lauro and Neil harvest driftwood and build a log river raft from scratch; Mike traverses hostile terrain on Afognak Island to take down a bull elk.

New ground penetrating radar reveals that a number of mysterious objects may be buried deep inside of the Mesa.

Darrell Ward faces a trail known as "the obstacle course"; Todd Dewey strives to clear a melting ice bridge; Alex Debogorski hauls an oversized fuel tank; Art Burke stumbles onto an ice crossing in the middle of the night.

The world is literally buzzing with insects; bees, spiders and insects of all shapes and sizes touch every aspect of life, they're the essential workers that pollinate food, clean up the dead and are an integral part of the ecosystem.

Examining the history of cats and dogs and how they have been helpful companions to humankind all over the globe.

Darrell Ward faces a trail known as "the obstacle course"; Todd Dewey strives to clear a melting ice bridge; Alex Debogorski hauls an oversized fuel tank; Art Burke stumbles onto an ice crossing in the middle of the night.

The world is literally buzzing with insects; bees, spiders and insects of all shapes and sizes touch every aspect of life, they're the essential workers that pollinate food, clean up the dead and are an integral part of the ecosystem.

A wife gets Alfred's help to surprise her husband with a classic Fender Mustang guitar; Dave works his metal magic to restore a cast iron stove; Sara makes an old desk gleam; PJ turns an old golf cart into a flashy classic ride.

Three bladesmiths head to Mystic Seaport for a nautical-themed competition; after a grueling round of coal forging, two smiths travel back to their home forges to re-create the flensing knife.

Marty searches for a bull moose that vanished in thick brush; Mike races bears to pack out bull elk meat.; Lauro and Neil take their raft on its maiden voyage to set nets for fish and traps for beaver.

Deep in the Everglades, Troy recruits an army of swampers to investigate strange noises and reports of a possible beast known as the Skunk Ape probing his friend Dusty's homestead.

The Landry crew clashes in a battle to catch a big gator; Troy and Pickle race to the King of the Swamps secret hotspot, Bayou Monstreaux; Don and Calum try to prove their worth as the newcomers in Coulon Creek; Jacob and Little Willie hunt.

Troy and Pickle hunt a giant python known as the Night Serpent; Tess convinces Bill to try out new hunting grounds; Zak and Aaron explore a notorious corner of the Everglades; Dusty Crum has an idea to lighten his load.

As the team begins drilling in the Mesa, where a possibly metallic object is buried, they have a startling encounter.

Marty searches for a bull moose that vanished in thick brush; Mike races bears to pack out bull elk meat.; Lauro and Neil take their raft on its maiden voyage to set nets for fish and traps for beaver.

Three bladesmiths head to Mystic Seaport for a nautical-themed competition; after a grueling round of coal forging, two smiths travel back to their home forges to re-create the flensing knife.

Deep in the Everglades, Troy recruits an army of swampers to investigate strange noises and reports of a possible beast known as the Skunk Ape probing his friend Dusty's homestead.

The Landry crew clashes in a battle to catch a big gator; Troy and Pickle race to the King of the Swamps secret hotspot, Bayou Monstreaux; Don and Calum try to prove their worth as the newcomers in Coulon Creek; Jacob and Little Willie hunt.

Troy and Pickle hunt a giant python known as the Night Serpent; Tess convinces Bill to try out new hunting grounds; Zak and Aaron explore a notorious corner of the Everglades; Dusty Crum has an idea to lighten his load.

Deep in the Everglades, Troy recruits an army of swampers to investigate strange noises and reports of a possible beast known as the Skunk Ape probing his friend Dusty's homestead.

The Landry crew clashes in a battle to catch a big gator; Troy and Pickle race to the King of the Swamps secret hotspot, Bayou Monstreaux; Don and Calum try to prove their worth as the newcomers in Coulon Creek; Jacob and Little Willie hunt.

Troy and Pickle hunt a giant python known as the Night Serpent; Tess convinces Bill to try out new hunting grounds; Zak and Aaron explore a notorious corner of the Everglades; Dusty Crum has an idea to lighten his load.

Three bladesmiths head to Mystic Seaport for a nautical-themed competition; after a grueling round of coal forging, two smiths travel back to their home forges to re-create the flensing knife.

As the team begins drilling in the Mesa, where a possibly metallic object is buried, they have a startling encounter.

Marty searches for a bull moose that vanished in thick brush; Mike races bears to pack out bull elk meat.; Lauro and Neil take their raft on its maiden voyage to set nets for fish and traps for beaver.

As the team begins drilling in the Mesa, where a possibly metallic object is buried, they have a startling encounter.

The guys look through a hangar-sized collection; Henry's retro service station.

A bell possibly from the train crash that killed Jumbo the Elephant in the late 1800s.

Ted's new salvage job is a blast from the past: a classic bowling alley; Ryan leads his team on a high-stakes overnight highway bridge demolition.

After forming a close bond in the harsh environment of their training school, two gladiators, the barbarian Priscus, and Rome's champion, Verus, must now fight to the death in front of 50,000 spectators.

When master builder Haterius constructs the Colosseum from the ashes of Nero's Golden House, his work is far from over; new Emperor Domitian tasks him with adding in a complex network of underground tunnels.

As the Roman Empire continues to expand, so does the diversity of exotic beasts brought back to entertain the Colosseum crowds; over 1 million animals are slaughtered in the arena by trained beast masters, none more famous than Carpophorus.

The mighty Emperor Trajan throws his great games of A.D. 107, and the crowd is treated to a rare spectacle: female gladiators.

The public execution of criminals is a staple, but during Trajan's 123 days of games in A.D. 107, one of these victims is no ordinary prisoner; Bishop Ignatius of Antioch is part of a growing underground religion, threatening Roman traditions.

Galen of Pergamon makes a name for himself as a physician for gladiators in the arena; a devastating plague sweeps through the city, and Galen catches the attention of Emperor Marcus Aurelius.

All of Rome's emperors have put great value on spectacles and games, but only one steps out of the Imperial Box and onto the sands of the arena; a far cry from his father, the great Emperor Marcus Aurelius, Commodus is quick to make enemies.

By the 4th Century AD, a divided Roman Empire is rocked by devastating earthquakes, fires, barbarian invasions and deep religious divides. As Rome declines, the Colosseum, which once stood as a proud symbol of the Empire's glory, lies empty. To restore Rome, one man, a devout worshipper of the Rome's old Gods, turns to the arena. Can staging elaborate and expensive games there reverse Rome's decline?

After forming a close bond in the harsh environment of their training school, two gladiators, the barbarian Priscus, and Rome's champion, Verus, must now fight to the death in front of 50,000 spectators.

When master builder Haterius constructs the Colosseum from the ashes of Nero's Golden House, his work is far from over; new Emperor Domitian tasks him with adding in a complex network of underground tunnels.

As the Roman Empire continues to expand, so does the diversity of exotic beasts brought back to entertain the Colosseum crowds; over 1 million animals are slaughtered in the arena by trained beast masters, none more famous than Carpophorus.

The mighty Emperor Trajan throws his great games of A.D. 107, and the crowd is treated to a rare spectacle: female gladiators.

The public execution of criminals is a staple, but during Trajan's 123 days of games in A.D. 107, one of these victims is no ordinary prisoner; Bishop Ignatius of Antioch is part of a growing underground religion, threatening Roman traditions.

Galen of Pergamon makes a name for himself as a physician for gladiators in the arena; a devastating plague sweeps through the city, and Galen catches the attention of Emperor Marcus Aurelius.

All of Rome's emperors have put great value on spectacles and games, but only one steps out of the Imperial Box and onto the sands of the arena; a far cry from his father, the great Emperor Marcus Aurelius, Commodus is quick to make enemies.

By the 4th Century AD, a divided Roman Empire is rocked by devastating earthquakes, fires, barbarian invasions and deep religious divides. As Rome declines, the Colosseum, which once stood as a proud symbol of the Empire's glory, lies empty. To restore Rome, one man, a devout worshipper of the Rome's old Gods, turns to the arena. Can staging elaborate and expensive games there reverse Rome's decline?

After forming a close bond in the harsh environment of their training school, two gladiators, the barbarian Priscus, and Rome's champion, Verus, must now fight to the death in front of 50,000 spectators.

When master builder Haterius constructs the Colosseum from the ashes of Nero's Golden House, his work is far from over; new Emperor Domitian tasks him with adding in a complex network of underground tunnels.

As the Roman Empire continues to expand, so does the diversity of exotic beasts brought back to entertain the Colosseum crowds; over 1 million animals are slaughtered in the arena by trained beast masters, none more famous than Carpophorus.

The mighty Emperor Trajan throws his great games of A.D. 107, and the crowd is treated to a rare spectacle: female gladiators.

The public execution of criminals is a staple, but during Trajan's 123 days of games in A.D. 107, one of these victims is no ordinary prisoner; Bishop Ignatius of Antioch is part of a growing underground religion, threatening Roman traditions.

Dozens of people are hospitalized after coming into contact with a toxic woman; a man becomes a musical genius after being struck by lightning; a teenager cries tears of blood.

A man with a strange implant suspects aliens are spying on him; a housewife becomes a literary genius following a seance; a California woman believes the government wants her for a sinister experiment.

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.

Dozens of people are hospitalized after coming into contact with a toxic woman; a man becomes a musical genius after being struck by lightning; a teenager cries tears of blood.

A man with a strange implant suspects aliens are spying on him; a housewife becomes a literary genius following a seance; a California woman believes the government wants her for a sinister experiment.

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.

The forge is transformed into a gladiator's arena; in the opening battle, two smiths must forge a fierce Roman era falx; the winning smith takes on a new opponent for the chance to win the most money ever awarded in the forge: $75,000.

Back at the "Forged in Fire" gladiator's arena, two more ferocious one-on-one battles rage on; the defending smith seeks to retain his title by building a gladiator favorite: the kopis; the winner advances to another round and a brand new challenger.

Back at the "Forged in Fire" colosseum, two more intense one-on-one battles rage on; the defending champion has taken down two opponents, including a two-time gladiator of the forge; smiths forge a gladiator favorite: the deadly sica.

Back at the "Forged in Fire" gladiator arena, two more sudden death battles are held; the defending champion has four wins under his belt but faces his toughest challenge yet forging the weapon used to assassinate Julius Caesar: the pugio daggers.

It's back to the Colosseum for the last two one-on-one battles; the reigning champion has defeated six opponents, but now must face a returning challenger and forge the intricate Acinaces sword.

After a hard round of tests that literally breaks a blade in two, the finalists get the chance to make one of the most important weapons from history, the Roman Gladius.

The forge is transformed into a gladiator's arena; in the opening battle, two smiths must forge a fierce Roman era falx; the winning smith takes on a new opponent for the chance to win the most money ever awarded in the forge: $75,000.

Back at the "Forged in Fire" gladiator's arena, two more ferocious one-on-one battles rage on; the defending smith seeks to retain his title by building a gladiator favorite: the kopis; the winner advances to another round and a brand new challenger.

Back at the "Forged in Fire" colosseum, two more intense one-on-one battles rage on; the defending champion has taken down two opponents, including a two-time gladiator of the forge; smiths forge a gladiator favorite: the deadly sica.

Back at the "Forged in Fire" gladiator arena, two more sudden death battles are held; the defending champion has four wins under his belt but faces his toughest challenge yet forging the weapon used to assassinate Julius Caesar: the pugio daggers.

It's back to the Colosseum for the last two one-on-one battles; the reigning champion has defeated six opponents, but now must face a returning challenger and forge the intricate Acinaces sword.

After a hard round of tests that literally breaks a blade in two, the finalists get the chance to make one of the most important weapons from history, the Roman Gladius.

The forge is transformed into a gladiator's arena; in the opening battle, two smiths must forge a fierce Roman era falx; the winning smith takes on a new opponent for the chance to win the most money ever awarded in the forge: $75,000.

Back at the "Forged in Fire" gladiator's arena, two more ferocious one-on-one battles rage on; the defending smith seeks to retain his title by building a gladiator favorite: the kopis; the winner advances to another round and a brand new challenger.

Back at the "Forged in Fire" colosseum, two more intense one-on-one battles rage on; the defending champion has taken down two opponents, including a two-time gladiator of the forge; smiths forge a gladiator favorite: the deadly sica.

Back at the "Forged in Fire" gladiator arena, two more sudden death battles are held; the defending champion has four wins under his belt but faces his toughest challenge yet forging the weapon used to assassinate Julius Caesar: the pugio daggers.

It's back to the Colosseum for the last two one-on-one battles; the reigning champion has defeated six opponents, but now must face a returning challenger and forge the intricate Acinaces sword.

After a hard round of tests that literally breaks a blade in two, the finalists get the chance to make one of the most important weapons from history, the Roman Gladius.

On her first solo trip, Steph Custance braves one of the longest ice crossings on the map; Darrell Ward attempts a triple delivery in a single day; an engine fire stops Lisa Kelly in her tracks; Todd Dewey celebrates his birthday stuck on a road.

The re-creation of a Bugatti proves to be a nightmare; a wrench is thrown into the delivery of a 1963 classic.

Cartoon car called Mr. Beep rolls in on life support; Jay burns out on the Bugatti; exploding engines hinder Mustang deadline.

On her first solo trip, Steph Custance braves one of the longest ice crossings on the map; Darrell Ward attempts a triple delivery in a single day; an engine fire stops Lisa Kelly in her tracks; Todd Dewey celebrates his birthday stuck on a road.

The re-creation of a Bugatti proves to be a nightmare; a wrench is thrown into the delivery of a 1963 classic.

Cartoon car called Mr. Beep rolls in on life support; Jay burns out on the Bugatti; exploding engines hinder Mustang deadline.

After forming a close bond in the harsh environment of their training school, two gladiators, the barbarian Priscus, and Rome's champion, Verus, must now fight to the death in front of 50,000 spectators.

Lauro travels north of the Arctic Circle with his team of sled dogs to hunt caribou; Daniel rebuilds an oldfloating cabin using driftwood logs and the power of tides; Jake takes out a coyote that threatens the livestock on a remote ranch.

Exploring the dark origin stories behind some of history's most notorious methods of execution, from the guillotine to the electric chair.

Within the first forty years of operation, the Soviet Gulag system imprisons at least 18 million people and kills more than one and a half million; three tales of the fight for survival.

Located in the heart of London on the River Thames, the Tower of London's reputation for torture and beheadings fuels nightmares; originally built as a fortress by William the Conqueror in 1078, it becomes a prison in 1101.

When John Gotti, a capo from the Bronx, becomes fed up with the greed of his boss, Paul Castellano, he orchestrates a mob hit; rising to power as the new don of the Gambino family, Gotti's reign draws the scrutiny of the FBI.

Whitey Bulger's notoriously violent and untouchable Winter Hill Gang are the kings of Boston's underworld, until a secret alliance comes to light.

During a high-tech laser experiment at the Triangle, the team makes a shocking discovery that may explain the strange phenomena on Skinwalker Ranch.

Lauro travels north of the Arctic Circle with his team of sled dogs to hunt caribou; Daniel rebuilds an oldfloating cabin using driftwood logs and the power of tides; Jake takes out a coyote that threatens the livestock on a remote ranch.

After forming a close bond in the harsh environment of their training school, two gladiators, the barbarian Priscus, and Rome's champion, Verus, must now fight to the death in front of 50,000 spectators.

Exploring the dark origin stories behind some of history's most notorious methods of execution, from the guillotine to the electric chair.

Within the first forty years of operation, the Soviet Gulag system imprisons at least 18 million people and kills more than one and a half million; three tales of the fight for survival.

Located in the heart of London on the River Thames, the Tower of London's reputation for torture and beheadings fuels nightmares; originally built as a fortress by William the Conqueror in 1078, it becomes a prison in 1101.

When John Gotti, a capo from the Bronx, becomes fed up with the greed of his boss, Paul Castellano, he orchestrates a mob hit; rising to power as the new don of the Gambino family, Gotti's reign draws the scrutiny of the FBI.

Whitey Bulger's notoriously violent and untouchable Winter Hill Gang are the kings of Boston's underworld, until a secret alliance comes to light.

Exploring the dark origin stories behind some of history's most notorious methods of execution, from the guillotine to the electric chair.

Within the first forty years of operation, the Soviet Gulag system imprisons at least 18 million people and kills more than one and a half million; three tales of the fight for survival.

Located in the heart of London on the River Thames, the Tower of London's reputation for torture and beheadings fuels nightmares; originally built as a fortress by William the Conqueror in 1078, it becomes a prison in 1101.

When John Gotti, a capo from the Bronx, becomes fed up with the greed of his boss, Paul Castellano, he orchestrates a mob hit; rising to power as the new don of the Gambino family, Gotti's reign draws the scrutiny of the FBI.

Whitey Bulger's notoriously violent and untouchable Winter Hill Gang are the kings of Boston's underworld, until a secret alliance comes to light.

After forming a close bond in the harsh environment of their training school, two gladiators, the barbarian Priscus, and Rome's champion, Verus, must now fight to the death in front of 50,000 spectators.

During a high-tech laser experiment at the Triangle, the team makes a shocking discovery that may explain the strange phenomena on Skinwalker Ranch.

Lauro travels north of the Arctic Circle with his team of sled dogs to hunt caribou; Daniel rebuilds an oldfloating cabin using driftwood logs and the power of tides; Jake takes out a coyote that threatens the livestock on a remote ranch.

During a high-tech laser experiment at the Triangle, the team makes a shocking discovery that may explain the strange phenomena on Skinwalker Ranch.

Todd Dewey must fix his truck or find himself stranded a hundred miles from the nearest town; Alex Debogorski confronts a creek in the middle of the road; Art Burke receives bad news; Lisa Kelly battles an ice crossing unlike any she's seen.

Paul has passport problems after David invites him to an elite-car auction in the United States; a 1959 Cadillac has more problems than expected.

Jay clashes with the new guy; a 1972 Plymouth Road Runner GTX arrives at the shop; a one-of-kind Swiss car goes up for auction.

Todd Dewey must fix his truck or find himself stranded a hundred miles from the nearest town; Alex Debogorski confronts a creek in the middle of the road; Art Burke receives bad news; Lisa Kelly battles an ice crossing unlike any she's seen.

Paul has passport problems after David invites him to an elite-car auction in the United States; a 1959 Cadillac has more problems than expected.

Jay clashes with the new guy; a 1972 Plymouth Road Runner GTX arrives at the shop; a one-of-kind Swiss car goes up for auction.

When master builder Haterius constructs the Colosseum from the ashes of Nero's Golden House, his work is far from over; new Emperor Domitian tasks him with adding in a complex network of underground tunnels.

Lauro hunts caribou in white-out conditions on Alaska's North Slope; Bret and Ivy, buried under heavy snowfall, push to set their 230-mile trapline; Daniel launches from his floating cabin to hunt deer along the rugged coast.

A storm of clues suggests that the creator of Oak Island's Money Pit is a 17th century English politician who may have possessed sunken treasures.

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

When a former Navy pilot and UAP whistleblower visits the ranch, an incredible event takes place that leaves the entire team in disbelief.

Lauro hunts caribou in white-out conditions on Alaska's North Slope; Bret and Ivy, buried under heavy snowfall, push to set their 230-mile trapline; Daniel launches from his floating cabin to hunt deer along the rugged coast.

When master builder Haterius constructs the Colosseum from the ashes of Nero's Golden House, his work is far from over; new Emperor Domitian tasks him with adding in a complex network of underground tunnels.

A storm of clues suggests that the creator of Oak Island's Money Pit is a 17th century English politician who may have possessed sunken treasures.

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

A storm of clues suggests that the creator of Oak Island's Money Pit is a 17th century English politician who may have possessed sunken treasures.

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

When master builder Haterius constructs the Colosseum from the ashes of Nero's Golden House, his work is far from over; new Emperor Domitian tasks him with adding in a complex network of underground tunnels.

When a former Navy pilot and UAP whistleblower visits the ranch, an incredible event takes place that leaves the entire team in disbelief.

Lauro hunts caribou in white-out conditions on Alaska's North Slope; Bret and Ivy, buried under heavy snowfall, push to set their 230-mile trapline; Daniel launches from his floating cabin to hunt deer along the rugged coast.

When a former Navy pilot and UAP whistleblower visits the ranch, an incredible event takes place that leaves the entire team in disbelief.

As the end of the season nears, Mark Kohaykewych makes a deal with rivals Darrell Ward and Lisa Kelly to join forces for a four-truck convoy; Alex Debogorski must complete one of the longest trails; Art Burke's truck gives out on the ice.

Guild owner David orders rivals Jay and Dave to join forces on a vehicle from a horror film; Paul risks his son's education fund on two cars.

Ian becomes upset when he is removed from working on a 1970 Datsun 510; the multimillion-dollar Bugatti Aerolithe is damaged.

As the end of the season nears, Mark Kohaykewych makes a deal with rivals Darrell Ward and Lisa Kelly to join forces for a four-truck convoy; Alex Debogorski must complete one of the longest trails; Art Burke's truck gives out on the ice.

Guild owner David orders rivals Jay and Dave to join forces on a vehicle from a horror film; Paul risks his son's education fund on two cars.

Ian becomes upset when he is removed from working on a 1970 Datsun 510; the multimillion-dollar Bugatti Aerolithe is damaged.

As the Roman Empire continues to expand, so does the diversity of exotic beasts brought back to entertain the Colosseum crowds; over 1 million animals are slaughtered in the arena by trained beast masters, none more famous than Carpophorus.

Marty battles the brutal Alaskan winter while running his wildfire ravaged trapline in the Far North; Mike reclaims an abandoned set of solar panels to power his Kodiak Island homestead; Jake discovers a gruesome lion kill on the mountain.

A teenaged descendant of Onondaga runner Tom Longboat searches to discover the World War I veteran's story; on the West Coast, a great grandson delves into the Great War to connect with the unknown side of his family.

A comprehensive exploration into the life and legacy of the Olympian and a great athletes and explores what it means to be an American through the pivotal intersection of identity and sport.

The drilling operation in the mysterious Mesa on Skinwalker Ranch leads to a stunning and disturbing chain of events.

Marty battles the brutal Alaskan winter while running his wildfire ravaged trapline in the Far North; Mike reclaims an abandoned set of solar panels to power his Kodiak Island homestead; Jake discovers a gruesome lion kill on the mountain.

As the Roman Empire continues to expand, so does the diversity of exotic beasts brought back to entertain the Colosseum crowds; over 1 million animals are slaughtered in the arena by trained beast masters, none more famous than Carpophorus.

A teenaged descendant of Onondaga runner Tom Longboat searches to discover the World War I veteran's story; on the West Coast, a great grandson delves into the Great War to connect with the unknown side of his family.

A comprehensive exploration into the life and legacy of the Olympian and a great athletes and explores what it means to be an American through the pivotal intersection of identity and sport.

A teenaged descendant of Onondaga runner Tom Longboat searches to discover the World War I veteran's story; on the West Coast, a great grandson delves into the Great War to connect with the unknown side of his family.

A comprehensive exploration into the life and legacy of the Olympian and a great athletes and explores what it means to be an American through the pivotal intersection of identity and sport.

As the Roman Empire continues to expand, so does the diversity of exotic beasts brought back to entertain the Colosseum crowds; over 1 million animals are slaughtered in the arena by trained beast masters, none more famous than Carpophorus.

The drilling operation in the mysterious Mesa on Skinwalker Ranch leads to a stunning and disturbing chain of events.

Marty battles the brutal Alaskan winter while running his wildfire ravaged trapline in the Far North; Mike reclaims an abandoned set of solar panels to power his Kodiak Island homestead; Jake discovers a gruesome lion kill on the mountain.

The drilling operation in the mysterious Mesa on Skinwalker Ranch leads to a stunning and disturbing chain of events.

The truckers in the historic four-truck convoy face fire and a thin crossing; after Art Burke's engine dies, he must travel back to Winnipeg with Alex Debogorski over a trail that destroys his truck.

Alex's ego is crushed when the Bugatti fails to perform; a damaged Alfa Romeo gets a cosmetic overhaul; David attempts to figure out what is wrong with Larry's new Ferrari.

David takes Alex to the Elegance at Hershey; the guys work on a 1966 Oldsmobile Toronado and race to complete the Bugatti.

The truckers in the historic four-truck convoy face fire and a thin crossing; after Art Burke's engine dies, he must travel back to Winnipeg with Alex Debogorski over a trail that destroys his truck.

Alex's ego is crushed when the Bugatti fails to perform; a damaged Alfa Romeo gets a cosmetic overhaul; David attempts to figure out what is wrong with Larry's new Ferrari.

David takes Alex to the Elegance at Hershey; the guys work on a 1966 Oldsmobile Toronado and race to complete the Bugatti.

The mighty Emperor Trajan throws his great games of A.D. 107, and the crowd is treated to a rare spectacle: female gladiators.

Lauro kicks Iditarod training into high gear with a 300-mile run; Bret and Ivy go from checking traps to hunting moose; Mike responds to a bridge washout; Tom helps Paul with running his trapline and skinning his catch; Jake tracks a killer lion.

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.

Holocaust survivors Helen Yermus, Maxwell Smart, and Rose Lipsyzc share their stories of terror, bravery and resilience.

After hearing incredible testimony about a UFO crashing on Skinwalker Ranch many years ago, the team makes a shocking discovery inside the rocky Mesa.

Lauro kicks Iditarod training into high gear with a 300-mile run; Bret and Ivy go from checking traps to hunting moose; Mike responds to a bridge washout; Tom helps Paul with running his trapline and skinning his catch; Jake tracks a killer lion.

The mighty Emperor Trajan throws his great games of A.D. 107, and the crowd is treated to a rare spectacle: female gladiators.