After a week on Vancouver Island, several of the participants find success in their new environment; some work in harmony with the wilderness and others battle against it; careless mistakes threaten to send two people home.

The lack of food takes a toll on the remaining participants after days without eating; starvation impairs the mental and physical capabilities of the participants, pushing some to the edge of surrender.

The remaining participants wear thin as starvation and isolation become unbearable; one man faces a potentially deadly situation.

In the final days of the competition, the remaining participants battle for supremacy; after pushing their minds and bodies to the breaking point, one of the participants claims the $500,000 prize.

Ken battles frigid conditions and disappointing returns; an ancient waterfall proves problematic to Cam; Karl's mechanical skills are put to the test.

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.

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.

Ken battles frigid conditions and disappointing returns; an ancient waterfall proves problematic to Cam; Karl's mechanical skills are put to the test.

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.

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.

Each bladesmith is challenged to transform the barrel of a gun into a lethal knife; the final two smiths return home to spend five days forging one of the most legendary blades in history, the cavalry saber.

Rob and Adam test the pain dished out by a trio of unlikely creatures commonly kept in home aquariums; they proceed to ruin the image of a popular cartoon movie character for millions of children.

Steve explores the arid deserts of the Four Corners region, investigating monumental ancestral Puebloan sites like Chaco Canyon and Mesa Verde.

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.

Most of the world's holiest places sit in plain sight, able to be seen and experienced, but there are some hidden deep underground.

With just three days left in the season, a cold front sends gators into hiding; Willie and Little Willie split up for the first time ever to cover more ground, and Little Willie feels the pressure of being his own Captain.

Rob and Adam test the pain dished out by a trio of unlikely creatures commonly kept in home aquariums; they proceed to ruin the image of a popular cartoon movie character for millions of children.

Each bladesmith is challenged to transform the barrel of a gun into a lethal knife; the final two smiths return home to spend five days forging one of the most legendary blades in history, the cavalry saber.

Steve explores the arid deserts of the Four Corners region, investigating monumental ancestral Puebloan sites like Chaco Canyon and Mesa Verde.

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.

Most of the world's holiest places sit in plain sight, able to be seen and experienced, but there are some hidden deep underground.

Steve explores the arid deserts of the Four Corners region, investigating monumental ancestral Puebloan sites like Chaco Canyon and Mesa Verde.

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.

Most of the world's holiest places sit in plain sight, able to be seen and experienced, but there are some hidden deep underground.

Each bladesmith is challenged to transform the barrel of a gun into a lethal knife; the final two smiths return home to spend five days forging one of the most legendary blades in history, the cavalry saber.

With just three days left in the season, a cold front sends gators into hiding; Willie and Little Willie split up for the first time ever to cover more ground, and Little Willie feels the pressure of being his own Captain.

Rob and Adam test the pain dished out by a trio of unlikely creatures commonly kept in home aquariums; they proceed to ruin the image of a popular cartoon movie character for millions of children.

With just three days left in the season, a cold front sends gators into hiding; Willie and Little Willie split up for the first time ever to cover more ground, and Little Willie feels the pressure of being his own Captain.

Ken needs a lifeline in order to salvage his season; Cam encounters a dangerous wall of ice; Big Al's dozer breaks down.

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.

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

Ken needs a lifeline in order to salvage his season; Cam encounters a dangerous wall of ice; Big Al's dozer breaks down.

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.

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

Four bladesmiths must salvage steel from a junkyard to create signature blades using a hand-cranked coal forge; two smiths move onto the final round, during which they will have five days to create a Dayak war sword, the Pandat.

Rob and Adam test the yellow head moray eel for possible venom effects but must resort to a risky, bloody bite; venom is not the issue for the electric eel.

Rick, Corey, and Chum are making big deals in the smallest state; in Providence, R.I., the guys cruise over to a muscle car collection, check out a rare book written by John Adams, and take aim at a harpoon gun.

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

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

On the final day of the season, the lingering cold front is giving gators "lock jaw" at the worst possible time; needing to fill a record-setting 900 tags this season and having never failed to tag-out, the King of the Swamp gambles on a new bait.

Rob and Adam test the yellow head moray eel for possible venom effects but must resort to a risky, bloody bite; venom is not the issue for the electric eel.

Four bladesmiths must salvage steel from a junkyard to create signature blades using a hand-cranked coal forge; two smiths move onto the final round, during which they will have five days to create a Dayak war sword, the Pandat.

Rick, Corey, and Chum are making big deals in the smallest state; in Providence, R.I., the guys cruise over to a muscle car collection, check out a rare book written by John Adams, and take aim at a harpoon gun.

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

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

Rick, Corey, and Chum are making big deals in the smallest state; in Providence, R.I., the guys cruise over to a muscle car collection, check out a rare book written by John Adams, and take aim at a harpoon gun.

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

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

Four bladesmiths must salvage steel from a junkyard to create signature blades using a hand-cranked coal forge; two smiths move onto the final round, during which they will have five days to create a Dayak war sword, the Pandat.

On the final day of the season, the lingering cold front is giving gators "lock jaw" at the worst possible time; needing to fill a record-setting 900 tags this season and having never failed to tag-out, the King of the Swamp gambles on a new bait.

Rob and Adam test the yellow head moray eel for possible venom effects but must resort to a risky, bloody bite; venom is not the issue for the electric eel.

On the final day of the season, the lingering cold front is giving gators "lock jaw" at the worst possible time; needing to fill a record-setting 900 tags this season and having never failed to tag-out, the King of the Swamp gambles on a new bait.

Ken must make his way up Moose Creek's treacherous road in a desperate attempt to get fuel; Karl has major problems with his sluice; Big Al's stripping dozer goes down for the count.

The drivers are ready for what is forecast to be a cold and busy winter, but the tragic passing of legendary driver Darrell Ward leaves the drivers wondering who can take his place.

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.

Ken must make his way up Moose Creek's treacherous road in a desperate attempt to get fuel; Karl has major problems with his sluice; Big Al's stripping dozer goes down for the count.

The drivers are ready for what is forecast to be a cold and busy winter, but the tragic passing of legendary driver Darrell Ward leaves the drivers wondering who can take his place.

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.

Four bladesmiths must create a signature blade using a mystery technique; after a round of testing, two will return to their home forges where they will reproduce a Japanese naginata.

It's America vs. Australia in a battle royale of pain administered by sharks; after getting stung by both, Adam and Rob realize that when their countries win, they lose.

A leopard goes on a rampage in India; a paraglider plummets to earth and uses his skills and fast thinking to survive; a woman gets a little too close for comfort to an elephant and suffers the consequences.

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

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

At the dawn of a new gator season, an onslaught of storms and hurricanes threatens the fate of swampers' livelihoods; Troy unleashes his armada of boats, launching a full assault on the bayou, as he institutes an ambitious quota for day one.

It's America vs. Australia in a battle royale of pain administered by sharks; after getting stung by both, Adam and Rob realize that when their countries win, they lose.

Four bladesmiths must create a signature blade using a mystery technique; after a round of testing, two will return to their home forges where they will reproduce a Japanese naginata.

A leopard goes on a rampage in India; a paraglider plummets to earth and uses his skills and fast thinking to survive; a woman gets a little too close for comfort to an elephant and suffers the consequences.

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

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

A leopard goes on a rampage in India; a paraglider plummets to earth and uses his skills and fast thinking to survive; a woman gets a little too close for comfort to an elephant and suffers the consequences.

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

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

Four bladesmiths must create a signature blade using a mystery technique; after a round of testing, two will return to their home forges where they will reproduce a Japanese naginata.

At the dawn of a new gator season, an onslaught of storms and hurricanes threatens the fate of swampers' livelihoods; Troy unleashes his armada of boats, launching a full assault on the bayou, as he institutes an ambitious quota for day one.

It's America vs. Australia in a battle royale of pain administered by sharks; after getting stung by both, Adam and Rob realize that when their countries win, they lose.

At the dawn of a new gator season, an onslaught of storms and hurricanes threatens the fate of swampers' livelihoods; Troy unleashes his armada of boats, launching a full assault on the bayou, as he institutes an ambitious quota for day one.

Ken and Guillaume travel over a dangerous mountain pass; Cam worries about getting Gary into the country; Nina and Chris have a difficult start to their season.

Lisa Kelly finds herself in a real jam after jackknifing her truck deep in the back-country; Alex Debogorski gets more than he bargained for when he falls through a patch of thin ice; Todd Dewey comes to the aid of a stranded trucker.

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.

Ken and Guillaume travel over a dangerous mountain pass; Cam worries about getting Gary into the country; Nina and Chris have a difficult start to their season.

Lisa Kelly finds herself in a real jam after jackknifing her truck deep in the back-country; Alex Debogorski gets more than he bargained for when he falls through a patch of thin ice; Todd Dewey comes to the aid of a stranded trucker.

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.

Bladesmiths must forge a bayonet and engineer it to attach to a rifle; the final two smiths must spend five days forging the legendary African blade, the Zulu Iklwa.

Adam and Rob serve up their most annoying stings in the history of the pain index.

When is Mission: Impossible more than just a movie? From the gaspingly record-shattering depths submarine divers have plunged to tap a secret Soviet communication line to the Special Ops team of suicidal soldiers sent to hand-deploy A-bombs in enemy territory, newly uncensored evidence will reveal the lengths that the few and the elite have gone to within the most hostile lands, all in the name of completing the mission.

The powerful story of the first all-Black tank unit to serve in combat in U.S. military history; under Gen. George Patten's command, the 761st battalion fought heroically throughout WWII.

Troy and Pickle take a calculated gamble in the sugarcane fields; Leron and Porkchop defy superstition by venturing into Scary Bayou; Daniel challenges his new deckhand in a friendly but fierce competition; Bruce fishes with a new partner.

Adam and Rob serve up their most annoying stings in the history of the pain index.

Bladesmiths must forge a bayonet and engineer it to attach to a rifle; the final two smiths must spend five days forging the legendary African blade, the Zulu Iklwa.

When is Mission: Impossible more than just a movie? From the gaspingly record-shattering depths submarine divers have plunged to tap a secret Soviet communication line to the Special Ops team of suicidal soldiers sent to hand-deploy A-bombs in enemy territory, newly uncensored evidence will reveal the lengths that the few and the elite have gone to within the most hostile lands, all in the name of completing the mission.

The powerful story of the first all-Black tank unit to serve in combat in U.S. military history; under Gen. George Patten's command, the 761st battalion fought heroically throughout WWII.

When is Mission: Impossible more than just a movie? From the gaspingly record-shattering depths submarine divers have plunged to tap a secret Soviet communication line to the Special Ops team of suicidal soldiers sent to hand-deploy A-bombs in enemy territory, newly uncensored evidence will reveal the lengths that the few and the elite have gone to within the most hostile lands, all in the name of completing the mission.

The powerful story of the first all-Black tank unit to serve in combat in U.S. military history; under Gen. George Patten's command, the 761st battalion fought heroically throughout WWII.

Bladesmiths must forge a bayonet and engineer it to attach to a rifle; the final two smiths must spend five days forging the legendary African blade, the Zulu Iklwa.

Troy and Pickle take a calculated gamble in the sugarcane fields; Leron and Porkchop defy superstition by venturing into Scary Bayou; Daniel challenges his new deckhand in a friendly but fierce competition; Bruce fishes with a new partner.

Adam and Rob serve up their most annoying stings in the history of the pain index.

Troy and Pickle take a calculated gamble in the sugarcane fields; Leron and Porkchop defy superstition by venturing into Scary Bayou; Daniel challenges his new deckhand in a friendly but fierce competition; Bruce fishes with a new partner.

Cam takes a risk on a pricey water cannon; a piece breaks on Karl's sluice plant; Ken and Guillaume test for gold.

A sudden warm-up threatens to derail the ice road season; Art Burke faces scary and slick roads; Lisa Kelly is forced to ask her former boss for financial help; Alex Debogorski encounters a mystery man walking alone on an isolated winter road.

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.

Cam takes a risk on a pricey water cannon; a piece breaks on Karl's sluice plant; Ken and Guillaume test for gold.

A sudden warm-up threatens to derail the ice road season; Art Burke faces scary and slick roads; Lisa Kelly is forced to ask her former boss for financial help; Alex Debogorski encounters a mystery man walking alone on an isolated winter road.

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.

For the first time ever, four bladesmiths use high carbon steel to forge a hatchet; two finalists have just five days to create an ancient Indian weapon used to both stab and slice.

The crew finds out that the swamp may be manmade.

As the survivalists enter the second week of the competition, new challenges and opportunities arise while they battle to maintain focus.

One participant is forced to take on a massive and risky project; another begins work on a fortified shelter to endure the harsh winter ahead; a pack of wolves interrupts the tranquility of the Arctic night and spells trouble for one survivalist.

One participant finds solace in the truth; another continues to be stalked by a wily predator; all of them seem to be teetering over the edge, though one survivalist is overwhelmed by their frustrating performance.

With Hurricane Francine barreling toward Louisiana, swampers rush to stack their boats before the storm's landfall; Troy and Pickle head to Lake Fausse Pointe, where they hope to fill the boat; Ronnie is forced to hunt solo after Timmy becomes ill.

The crew finds out that the swamp may be manmade.

For the first time ever, four bladesmiths use high carbon steel to forge a hatchet; two finalists have just five days to create an ancient Indian weapon used to both stab and slice.

As the survivalists enter the second week of the competition, new challenges and opportunities arise while they battle to maintain focus.

One participant is forced to take on a massive and risky project; another begins work on a fortified shelter to endure the harsh winter ahead; a pack of wolves interrupts the tranquility of the Arctic night and spells trouble for one survivalist.

One participant finds solace in the truth; another continues to be stalked by a wily predator; all of them seem to be teetering over the edge, though one survivalist is overwhelmed by their frustrating performance.

As the survivalists enter the second week of the competition, new challenges and opportunities arise while they battle to maintain focus.

One participant is forced to take on a massive and risky project; another begins work on a fortified shelter to endure the harsh winter ahead; a pack of wolves interrupts the tranquility of the Arctic night and spells trouble for one survivalist.

One participant finds solace in the truth; another continues to be stalked by a wily predator; all of them seem to be teetering over the edge, though one survivalist is overwhelmed by their frustrating performance.

For the first time ever, four bladesmiths use high carbon steel to forge a hatchet; two finalists have just five days to create an ancient Indian weapon used to both stab and slice.

With Hurricane Francine barreling toward Louisiana, swampers rush to stack their boats before the storm's landfall; Troy and Pickle head to Lake Fausse Pointe, where they hope to fill the boat; Ronnie is forced to hunt solo after Timmy becomes ill.

The crew finds out that the swamp may be manmade.

With Hurricane Francine barreling toward Louisiana, swampers rush to stack their boats before the storm's landfall; Troy and Pickle head to Lake Fausse Pointe, where they hope to fill the boat; Ronnie is forced to hunt solo after Timmy becomes ill.

Searching for impressive finds in Winnipeg; Scott involves his two sons in the action.

Scott and Sheldon visit Regina, Avonlea and Moose Jaw as a mysterious treasure map leads them through Saskatchewan.

Ted puts Brandon's sales skills to the test, pushing him to figure out his future with the salvage team; a trip to Shelburne leads to a difficult extraction that has Justin running for the fire extinguisher.

Searching for impressive finds in Winnipeg; Scott involves his two sons in the action.

Scott and Sheldon visit Regina, Avonlea and Moose Jaw as a mysterious treasure map leads them through Saskatchewan.

Ted puts Brandon's sales skills to the test, pushing him to figure out his future with the salvage team; a trip to Shelburne leads to a difficult extraction that has Justin running for the fire extinguisher.

The guys encounter bullet ants and flesh-eating piranha; after hours of pain from the bullet ant, Caveman Rob dips his blood-covered arm in a tank of piranhas.

In a Bolivian jungle, Adam and Caveman Rob pursue the fabled executioner wasp, warrior wasp, and Goliath bird-eating tarantula; one causes a medical emergency, and another delivers a nightmarish bite that leaves Adam's arm partially paralyzed.

Adam and Caveman Rob head to South Africa to face the giant bark scorpion, the tiny uroplectes scorpion, and the highly venomous lion fish.

In Africa, Adam and Caveman Rob search for the Nile Monitor Lizard and the Velvet Ant but are attacked by an even deadlier animal and are lucky to escape with their lives.

Adam and Caveman Rob journey to the Asian island of Bali and face off with the Fire Urchin that almost knocks out Caveman Rob, and the Rove Beetle, which surpasses the record for the highest pain score to date and causes permanent damage.

Adam and Caveman Rob wrap up in Indonesia with the two worst bites to date from a Giant Asian Centipede and a 16-foot Reticulated Python; vomiting, stitches, and rivers of blood make them ask if they are able to continue their research.

In Mexico, Adam and Caveman Rob tango with two torturous animals - including one that topped Justin Schmidt's pain scale; the guys up the stakes by covering their hands with hundreds of harvester ants and two pain index records are shattered.

A dangerous underwater hunt for the potentially deadly Scorpion Fish in the Baja California ocean leads to a toxic sting that puts Adam in danger and matches the highest pain score to date.

The crew finds out that the swamp may be manmade.

The guys encounter bullet ants and flesh-eating piranha; after hours of pain from the bullet ant, Caveman Rob dips his blood-covered arm in a tank of piranhas.

In a Bolivian jungle, Adam and Caveman Rob pursue the fabled executioner wasp, warrior wasp, and Goliath bird-eating tarantula; one causes a medical emergency, and another delivers a nightmarish bite that leaves Adam's arm partially paralyzed.

Adam and Caveman Rob head to South Africa to face the giant bark scorpion, the tiny uroplectes scorpion, and the highly venomous lion fish.

In Africa, Adam and Caveman Rob search for the Nile Monitor Lizard and the Velvet Ant but are attacked by an even deadlier animal and are lucky to escape with their lives.

Adam and Caveman Rob journey to the Asian island of Bali and face off with the Fire Urchin that almost knocks out Caveman Rob, and the Rove Beetle, which surpasses the record for the highest pain score to date and causes permanent damage.

Adam and Caveman Rob wrap up in Indonesia with the two worst bites to date from a Giant Asian Centipede and a 16-foot Reticulated Python; vomiting, stitches, and rivers of blood make them ask if they are able to continue their research.

In Mexico, Adam and Caveman Rob tango with two torturous animals - including one that topped Justin Schmidt's pain scale; the guys up the stakes by covering their hands with hundreds of harvester ants and two pain index records are shattered.

A dangerous underwater hunt for the potentially deadly Scorpion Fish in the Baja California ocean leads to a toxic sting that puts Adam in danger and matches the highest pain score to date.

The crew finds out that the swamp may be manmade.

The Yukon's Civil Air Search and Rescue Association battles flying conditions in their search for a historic missing plane that had 44 people on board; the Dawson City Fire Department responds to a 911 call that puts the town in jeopardy.

The Dawson City Fire Department races to protect the town from devastating flash floods; officers track down a dangerous and destructive bison herd, have a run-in with a bear and set up a sting to catch a suspected serial over-fisher.

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The Yukon's Civil Air Search and Rescue Association battles flying conditions in their search for a historic missing plane that had 44 people on board; the Dawson City Fire Department responds to a 911 call that puts the town in jeopardy.

The Dawson City Fire Department races to protect the town from devastating flash floods; officers track down a dangerous and destructive bison herd, have a run-in with a bear and set up a sting to catch a suspected serial over-fisher.

Adam and Caveman Rob take on America's biggest and most deadly scorpions, but the surprising result is a hugely painful wake-up call, and a new Scorpion King is crowned.

Adam has a phobia of tarantulas, so Caveman Rob picks two of the world's nastiest ones for them to endure, including a tarantula with the well-deserved nickname of "Orange Bitey Thing.".

Adam and Caveman Rob get bitten by one lizard whose venom is in doubt, but not its ability to latch on and tear flesh, and another whose venom is notoriously painful; the shocking results set new records for the pain index.

In a tribute to the godfather of the pain index, Dr. Justin Schmidt, Adam and Rob tangle with a new batch of extremely painful and deadly insects; one colony of ants kicks the Schmidt out of them.

Adam thinks he's getting his revenge on Rob for selecting tarantulas earlier this season by programming Rob's phobia: centipedes; the joke is on Adam when an American centipede produces one of his most painful bites ever.

Some of the most painful animals around can be found in the backyard; Rob and Adam take on an assassin bug, a Jerusalem cricket and the brown widow spider, producing a record-setting episode of pain.

Rob and Adam test the pain dished out by a trio of unlikely creatures commonly kept in home aquariums; they proceed to ruin the image of a popular cartoon movie character for millions of children.

Rob and Adam test the yellow head moray eel for possible venom effects but must resort to a risky, bloody bite; venom is not the issue for the electric eel.

It's America vs. Australia in a battle royale of pain administered by sharks; after getting stung by both, Adam and Rob realize that when their countries win, they lose.

Adam and Rob serve up their most annoying stings in the history of the pain index.

Adam and Caveman Rob take on America's biggest and most deadly scorpions, but the surprising result is a hugely painful wake-up call, and a new Scorpion King is crowned.

Adam has a phobia of tarantulas, so Caveman Rob picks two of the world's nastiest ones for them to endure, including a tarantula with the well-deserved nickname of "Orange Bitey Thing.".

Adam and Caveman Rob get bitten by one lizard whose venom is in doubt, but not its ability to latch on and tear flesh, and another whose venom is notoriously painful; the shocking results set new records for the pain index.

In a tribute to the godfather of the pain index, Dr. Justin Schmidt, Adam and Rob tangle with a new batch of extremely painful and deadly insects; one colony of ants kicks the Schmidt out of them.

Adam thinks he's getting his revenge on Rob for selecting tarantulas earlier this season by programming Rob's phobia: centipedes; the joke is on Adam when an American centipede produces one of his most painful bites ever.

Some of the most painful animals around can be found in the backyard; Rob and Adam take on an assassin bug, a Jerusalem cricket and the brown widow spider, producing a record-setting episode of pain.

Rob and Adam test the pain dished out by a trio of unlikely creatures commonly kept in home aquariums; they proceed to ruin the image of a popular cartoon movie character for millions of children.

Rob and Adam test the yellow head moray eel for possible venom effects but must resort to a risky, bloody bite; venom is not the issue for the electric eel.

It's America vs. Australia in a battle royale of pain administered by sharks; after getting stung by both, Adam and Rob realize that when their countries win, they lose.

Cam and his crew hurry to begin sluicing Donovan cut; Karl motivates his crew; Chris and Nika face a sluice plant breakdown.

A blast of arctic air reopens the ice roads; Steph Custance falls victim to severe icing and winds up in a ditch; truckers set out to see if the newly reopened ice crossings are really ready for their big rigs.

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

Cam and his crew hurry to begin sluicing Donovan cut; Karl motivates his crew; Chris and Nika face a sluice plant breakdown.

A blast of arctic air reopens the ice roads; Steph Custance falls victim to severe icing and winds up in a ditch; truckers set out to see if the newly reopened ice crossings are really ready for their big rigs.

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

Four competitors must forge weld blades for friction folders from tiny cubes of steel, then two smiths will return home where they will forge a German Zweihänder.

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

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

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.

Ancient cultures around the world have aroused fascination and provoked fear with curses and objects used to conjure them like rings, tablets and stones.

Hunters face the dual challenge of navigating a dangerous storm and preserving their season; Ronnie and Timmy bet on a feeding frenzy; Joey and Kallie hunt open waters; Troy and Pickle hunt to the bitter end; Bruce and Anna search for giants.

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

Four competitors must forge weld blades for friction folders from tiny cubes of steel, then two smiths will return home where they will forge a German Zweihänder.

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

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.

Ancient cultures around the world have aroused fascination and provoked fear with curses and objects used to conjure them like rings, tablets and stones.

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

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.

Ancient cultures around the world have aroused fascination and provoked fear with curses and objects used to conjure them like rings, tablets and stones.

Four competitors must forge weld blades for friction folders from tiny cubes of steel, then two smiths will return home where they will forge a German Zweihänder.

Hunters face the dual challenge of navigating a dangerous storm and preserving their season; Ronnie and Timmy bet on a feeding frenzy; Joey and Kallie hunt open waters; Troy and Pickle hunt to the bitter end; Bruce and Anna search for giants.

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

Hunters face the dual challenge of navigating a dangerous storm and preserving their season; Ronnie and Timmy bet on a feeding frenzy; Joey and Kallie hunt open waters; Troy and Pickle hunt to the bitter end; Bruce and Anna search for giants.

Stressed, Chris and Nika butt heads; Cam faces machine failures and contaminated fuel; Ken and Guillaume find traces of gold.

Polar Industries must deliver an oversized load hundreds of miles north on the winter roads; owner Mark Koyhaykewych recruits Lisa Kelly, then calls in Reno Ward, the 23-year-old son of the late Darrell Ward; a blizzard adds a new layer of danger.

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.

Stressed, Chris and Nika butt heads; Cam faces machine failures and contaminated fuel; Ken and Guillaume find traces of gold.

Polar Industries must deliver an oversized load hundreds of miles north on the winter roads; owner Mark Koyhaykewych recruits Lisa Kelly, then calls in Reno Ward, the 23-year-old son of the late Darrell Ward; a blizzard adds a new layer of danger.

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.

Former winners return to forge a blade using canoe damascus; after two rounds, the remaining champions will move to the final round during which they must create a weapon known for its unique mechanics and deadly double-edged blade - the pata.

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

Rick, Corey, and Chum are hitting the road to look for treasures in Tampa, Fla., helming a crew of experts, the guys will plunder everything from Pokemon cards to Steve McQueen's motorcycle, hoping to make waves in the Sunshine State.

Booth family members share family lore, and what they believe is evidence of the assassin's escape, passed down through generations.

Ronnie and Timmy fight to finish their marsh tags before the gators move inland; Bruce and Anna chase monsters in a remote honey hole; Jacob unleashes Little Willie on the bayou beasts; Troy and Pickle wage war against a cannibal gator.

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

Former winners return to forge a blade using canoe damascus; after two rounds, the remaining champions will move to the final round during which they must create a weapon known for its unique mechanics and deadly double-edged blade - the pata.

Rick, Corey, and Chum are hitting the road to look for treasures in Tampa, Fla., helming a crew of experts, the guys will plunder everything from Pokemon cards to Steve McQueen's motorcycle, hoping to make waves in the Sunshine State.

Booth family members share family lore, and what they believe is evidence of the assassin's escape, passed down through generations.

Rick, Corey, and Chum are hitting the road to look for treasures in Tampa, Fla., helming a crew of experts, the guys will plunder everything from Pokemon cards to Steve McQueen's motorcycle, hoping to make waves in the Sunshine State.

Booth family members share family lore, and what they believe is evidence of the assassin's escape, passed down through generations.

Former winners return to forge a blade using canoe damascus; after two rounds, the remaining champions will move to the final round during which they must create a weapon known for its unique mechanics and deadly double-edged blade - the pata.

Ronnie and Timmy fight to finish their marsh tags before the gators move inland; Bruce and Anna chase monsters in a remote honey hole; Jacob unleashes Little Willie on the bayou beasts; Troy and Pickle wage war against a cannibal gator.

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

Ronnie and Timmy fight to finish their marsh tags before the gators move inland; Bruce and Anna chase monsters in a remote honey hole; Jacob unleashes Little Willie on the bayou beasts; Troy and Pickle wage war against a cannibal gator.

Cam hits permafrost, forcing him to shut down the plant; Ken and Guillaume abandon Arizona Creek; Karl gambles with broken equipment.

A small convoy heads out with an oversized load; Lisa Kelly and Reno Ward's skills are tested by the treacherous journey; Art Burke attempts to navigate an ice road over a frozen lake; Alex Debogorski stops to help a stranded trucker.

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.

Cam hits permafrost, forcing him to shut down the plant; Ken and Guillaume abandon Arizona Creek; Karl gambles with broken equipment.

A small convoy heads out with an oversized load; Lisa Kelly and Reno Ward's skills are tested by the treacherous journey; Art Burke attempts to navigate an ice road over a frozen lake; Alex Debogorski stops to help a stranded trucker.

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.

Four previously eliminated bladesmiths return to the forge for a shot at redemption; after two rounds of competition, the two remaining smiths face off to re-create a Viking sword known for its devastating strength.

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.

Controversy erupts when a man seeking his 15 minutes of internet fame crashes his plane into the Los Padres National Forest; the moment when three giant snakes fall out of a family's roof; two cyclists barely make it out of a tunnel.

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

Swampers race to cash in on a post-hurricane feeding frenzy; Troy and Pickle take on a hunt using spears to fill their tags in a no-firearms zone; Joey and Kallie venture deep into the remote blackwater swamp.

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.

Four previously eliminated bladesmiths return to the forge for a shot at redemption; after two rounds of competition, the two remaining smiths face off to re-create a Viking sword known for its devastating strength.