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.

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.

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.

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.

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.

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.

Chris and Nika face financial hardship; Cam's son-in-law is determined to find gold; Ken and Guillaume make a deal with a mining veteran.

Reno Ward has a disastrous encounter with a speeding pick-up truck; Lisa Kelly attempts to rescue Reno but is forced to leave him to fend for himself; Art Burke attempts to deliver a Zamboni to save an isolated community's hockey season.

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.

Chris and Nika face financial hardship; Cam's son-in-law is determined to find gold; Ken and Guillaume make a deal with a mining veteran.

Reno Ward has a disastrous encounter with a speeding pick-up truck; Lisa Kelly attempts to rescue Reno but is forced to leave him to fend for himself; Art Burke attempts to deliver a Zamboni to save an isolated community's hockey season.

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.

The judges pick past bladesmiths to represent them; first, the smiths must use steel from N.Y.C. streets to forge signature blades; in the final round, the competitors have five days to forge a sword that originated in West Africa, the Ida.

One of the most chilling aviation mysteries in modern day: a Boeing 777, carrying 239 people, vanishes over the Indian Ocean; nearly a decade later, no one knows what really happened to Malaysia Flight 370.

When governments strike dark deals with cults, mobs and even sworn enemies, frosty relationships and mounting tensions are tested head on.

A search into the extreme depths of the Bermuda Triangle, where five American torpedo bombers and the search plane dispatched to find them disappear without a trace in December 1945.

As record-breaking heat descends on Southern Louisiana, Troy and Pickle rely on shaded lines along the edge of Lake Verret to protect their catch from the blistering sun. Jacob and Little Willie target deeper, cooler bayous to chase gators seeking protection from the heat. Daniel and Zak bait lines near gator dens, hoping to snag the beasts sticking close to home. Bruce and Anna are forced to offload their gators midway through the day to preserve their monster haul.

One of the most chilling aviation mysteries in modern day: a Boeing 777, carrying 239 people, vanishes over the Indian Ocean; nearly a decade later, no one knows what really happened to Malaysia Flight 370.

The judges pick past bladesmiths to represent them; first, the smiths must use steel from N.Y.C. streets to forge signature blades; in the final round, the competitors have five days to forge a sword that originated in West Africa, the Ida.

When governments strike dark deals with cults, mobs and even sworn enemies, frosty relationships and mounting tensions are tested head on.

A search into the extreme depths of the Bermuda Triangle, where five American torpedo bombers and the search plane dispatched to find them disappear without a trace in December 1945.

When governments strike dark deals with cults, mobs and even sworn enemies, frosty relationships and mounting tensions are tested head on.

A search into the extreme depths of the Bermuda Triangle, where five American torpedo bombers and the search plane dispatched to find them disappear without a trace in December 1945.

The judges pick past bladesmiths to represent them; first, the smiths must use steel from N.Y.C. streets to forge signature blades; in the final round, the competitors have five days to forge a sword that originated in West Africa, the Ida.

As record-breaking heat descends on Southern Louisiana, Troy and Pickle rely on shaded lines along the edge of Lake Verret to protect their catch from the blistering sun. Jacob and Little Willie target deeper, cooler bayous to chase gators seeking protection from the heat. Daniel and Zak bait lines near gator dens, hoping to snag the beasts sticking close to home. Bruce and Anna are forced to offload their gators midway through the day to preserve their monster haul.

One of the most chilling aviation mysteries in modern day: a Boeing 777, carrying 239 people, vanishes over the Indian Ocean; nearly a decade later, no one knows what really happened to Malaysia Flight 370.

As record-breaking heat descends on Southern Louisiana, Troy and Pickle rely on shaded lines along the edge of Lake Verret to protect their catch from the blistering sun. Jacob and Little Willie target deeper, cooler bayous to chase gators seeking protection from the heat. Daniel and Zak bait lines near gator dens, hoping to snag the beasts sticking close to home. Bruce and Anna are forced to offload their gators midway through the day to preserve their monster haul.

Karl hopes to make a profit at Last Chance; Chris and Nika move to Stowe Creek; Cam and his wife melt the gold they've collected and find they're way below their target.

A big bump takes out Art Burke's radiator; Todd Dewey's rig lands in a snowbank; Steph Custance regrets her foray onto a wet ice crossing; Alex Debogorski uses a sled to drag a construction shack across a frozen lake.

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.

Karl hopes to make a profit at Last Chance; Chris and Nika move to Stowe Creek; Cam and his wife melt the gold they've collected and find they're way below their target.

A big bump takes out Art Burke's radiator; Todd Dewey's rig lands in a snowbank; Steph Custance regrets her foray onto a wet ice crossing; Alex Debogorski uses a sled to drag a construction shack across a frozen lake.

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.

Four bladesmiths tee up for a never-before seen challenge, harvesting steel from a vintage golf club to forge signature blades; in the final round, the remaining smiths must forge a pair of iconic double bladed weapons with two times the edge.

As the Cold War ramps up, a well-dressed man is found dead within miles of a nuclear testing site on a tranquil Australian beach; there are no clues to his identity or what could have happened.

The call of home grows stronger as the harsh realities of remote Arctic living set in for some participants; one survivalist finally gets their chance at big game; another survivalist is caught off guard by a false sense of security.

With new weather patterns looming, the days are numbered for those counting on foraging to pull them through; the Arctic takes back its gift; another survivalist unexpectedly finds a second chance at a missed opportunity.

With four people remaining, food insecurity reaches a high; one participant loses part of their harvest; another survivalist battles sickness brought on by an unfortunate source.

As a full moon rises over Southern Louisiana, the swamp comes alive; Daniel and Zak try to cash in on a feeding frenzy with an open-water hunt; Ronnie and Timmy work to eliminate a massive nuisance gator threatening their friend's property.

As the Cold War ramps up, a well-dressed man is found dead within miles of a nuclear testing site on a tranquil Australian beach; there are no clues to his identity or what could have happened.

Four bladesmiths tee up for a never-before seen challenge, harvesting steel from a vintage golf club to forge signature blades; in the final round, the remaining smiths must forge a pair of iconic double bladed weapons with two times the edge.

The call of home grows stronger as the harsh realities of remote Arctic living set in for some participants; one survivalist finally gets their chance at big game; another survivalist is caught off guard by a false sense of security.

With new weather patterns looming, the days are numbered for those counting on foraging to pull them through; the Arctic takes back its gift; another survivalist unexpectedly finds a second chance at a missed opportunity.

With four people remaining, food insecurity reaches a high; one participant loses part of their harvest; another survivalist battles sickness brought on by an unfortunate source.

The call of home grows stronger as the harsh realities of remote Arctic living set in for some participants; one survivalist finally gets their chance at big game; another survivalist is caught off guard by a false sense of security.

With new weather patterns looming, the days are numbered for those counting on foraging to pull them through; the Arctic takes back its gift; another survivalist unexpectedly finds a second chance at a missed opportunity.

With four people remaining, food insecurity reaches a high; one participant loses part of their harvest; another survivalist battles sickness brought on by an unfortunate source.

Four bladesmiths tee up for a never-before seen challenge, harvesting steel from a vintage golf club to forge signature blades; in the final round, the remaining smiths must forge a pair of iconic double bladed weapons with two times the edge.

As a full moon rises over Southern Louisiana, the swamp comes alive; Daniel and Zak try to cash in on a feeding frenzy with an open-water hunt; Ronnie and Timmy work to eliminate a massive nuisance gator threatening their friend's property.

As the Cold War ramps up, a well-dressed man is found dead within miles of a nuclear testing site on a tranquil Australian beach; there are no clues to his identity or what could have happened.

As a full moon rises over Southern Louisiana, the swamp comes alive; Daniel and Zak try to cash in on a feeding frenzy with an open-water hunt; Ronnie and Timmy work to eliminate a massive nuisance gator threatening their friend's property.

The Pickers rummage through central Saskatchewan, scoring vintage pistols, antique toys and an inflatable Coca-Cola display; Scott challenges Sheldon to a driving showdown.

The Pickers keep a close eye on their new warehouse manager as they scour Southern Ontario for bargains; Scott and Sheldon uncover a cache of vintage guitars.

A ghostly salvage in an abandoned hospital brings some unusual finds; the salvage team discovers a surprising collection of vintage items during the demolition of a 50's era subdivision property.

The Pickers rummage through central Saskatchewan, scoring vintage pistols, antique toys and an inflatable Coca-Cola display; Scott challenges Sheldon to a driving showdown.

The Pickers keep a close eye on their new warehouse manager as they scour Southern Ontario for bargains; Scott and Sheldon uncover a cache of vintage guitars.

A ghostly salvage in an abandoned hospital brings some unusual finds; the salvage team discovers a surprising collection of vintage items during the demolition of a 50's era subdivision property.

A cryptic journal sparks an unprecedented investigation into whether a UFO crashed at Roswell, N.M., in 1947; Major Jesse Marcel's journal may contain coded clues to the truth behind Roswell.

A former CIA operative's investigation into the Roswell crash arrives at a critical moment when the mysterious journal found among the possessions of Maj. Jesse Marcel undergoes a crucial test.

Investigator Ben Smith travels to Jesse Marcel's hometown on Louisiana's Gulf Coast to speak with family members who reveal information that supports Marcel's story of a government coverup.

A cryptic journal sparks an unprecedented investigation into whether a UFO crashed at Roswell, N.M., in 1947; Major Jesse Marcel's journal may contain coded clues to the truth behind Roswell.

A former CIA operative's investigation into the Roswell crash arrives at a critical moment when the mysterious journal found among the possessions of Maj. Jesse Marcel undergoes a crucial test.

Investigator Ben Smith travels to Jesse Marcel's hometown on Louisiana's Gulf Coast to speak with family members who reveal information that supports Marcel's story of a government coverup.

A cryptic journal sparks an unprecedented investigation into whether a UFO crashed at Roswell, N.M., in 1947; Major Jesse Marcel's journal may contain coded clues to the truth behind Roswell.

A former CIA operative's investigation into the Roswell crash arrives at a critical moment when the mysterious journal found among the possessions of Maj. Jesse Marcel undergoes a crucial test.

Investigator Ben Smith travels to Jesse Marcel's hometown on Louisiana's Gulf Coast to speak with family members who reveal information that supports Marcel's story of a government coverup.

Conservation Officer Logan has a close call while investigating a case of poaching; an aggressive grizzly bear ransacks a remote trapper's cabin.

When a bear charges a group of remote researchers, a Conservation Officer deals with the potentially life-threatening situation, and Ray takes on a challenging recovery that bested two tow companies before him.

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Conservation Officer Logan has a close call while investigating a case of poaching; an aggressive grizzly bear ransacks a remote trapper's cabin.

When a bear charges a group of remote researchers, a Conservation Officer deals with the potentially life-threatening situation, and Ray takes on a challenging recovery that bested two tow companies before him.

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.".

A new ground-breaking expedition heads back to the frozen seas to hunt down Shackleton's lost ship.

Magician and Houdini expert Bill Kalush secures access to Harry Houdini's diary previously kept from the public; experts begin to unveil the diary, using information gleaned from these personal accounts to form new insights into Houdini's life.

On July 20, 1973, martial arts superstar Bruce Lee dies under mysterious circumstances in Hong Kong, China.

A new ground-breaking expedition heads back to the frozen seas to hunt down Shackleton's lost ship.