Rick confronts foreman Buzz, throwing down an ultimatum. Hoping for a big score, Parker fires back up on Sulphur Creek. Tony and Monica go on a treasure hunt at the Hester Cut.

As the giant bluefin gorge themselves on schools of fatty baitfish, captains battle to capture oversized quota-killer tuna; young gun Joe scores a rare feat by landing three in a day; veteran Tyler struggles with both science and technology.

The Mooka Boys' hopes of a season-saving pocket of black opal are decimated by a busted starter motor on their dozer; Oscar sends the Cheals on a critical mission to unearth a rare green-orange gemstone for a potential buyer.

The fate of a rookie mountain miner lies in the balance after he sinks his life savings into a British Columbia placer claim; with fine gold proving tricky to capture, Freddy and Juan must develop all-new ideas to boost recovery.

When a windstorm ruins visibility in the water, Chad considers a risky blind dive to extract the box; when intruders are discovered, Duane and his crew realize that time is running out.

At the end of a six-week grueling trek through the wilds of Brazil, Parker finds a gold mining utopia that checks all of his boxes; Parker tries to strike a deal within the three days he has left in the country.

A baseball signed by Cy Young; a futuristic-looking 1950s TV; former President Jimmy Carter memorabilia.

Curtis returns to The Greenbrier in West Virginia for the fourth annual Greenbrier GameChanger event; he spends the day fly fishing for trout with men and women dedicated to keeping drugs out of our school systems.

A 1950s Gibson Les Paul guitar; a circular typewriter; skeleton from the largest bat in the world.

Korey Sprengel pitches a variety of artificial lures to land big walleye on small lakes in North Dakota.

A.

We follow along as collaborative agencies create, deliver and sink a new reef much to the delight of divers and anglers; Adapt-Able Scuba makes underwater adventure possible to those who didn't think it was.

Realizing that they may be targets of a police stakeout, Mark and Digger prepare their outlaw distilling teams for the worst; Howard drinks the last bottle of decades-old rye elixir, forcing Tim to recreate his dad's unwritten recipe.

Desperate to discover who is surveilling them, Mark and Digger set a trap; Tim and Howard attempt a new path to recreating the family's high-proof elixir recipe; when Big Chuk arrives in Franklin County unexpectedly, Tickle and Henry have concerns.

In the heart of The Fork, Russell is on the trail of a possible pair of Bigfoot; Mireya and Biko utilize cutting-edge tech to try and catch a base camp intruder as Bryce makes a startling find while reviewing footage.

Deep in.

Mireya and Biko navigate rapids while tracking a possible hunting party; Bryce gains knowledge from fresh prints; Russell creates a trap for Bigfoot.

In Washington's backcountry, Mireya and Biko take cues from the land after finding a series of tree structures that lead them to a water source; Bryce gains insight into the mysterious print found at his cabin; Russell's bushcraft tripwire pays off.

In the heart of.

Josh Gates sets off on a quest to find the Yeti, a legendary man-ape living in the high altitude of the Himalayas.

In part two of his hunt for the elusive Yeti, Josh Gates ascends higher into the Himalayas to explore caves, examine ancient artifacts and investigate the mystical ties the legendary creature holds with the Nepalese people.

The hunt for the Yeti continues as Josh Gates' quest takes him from the frozen slopes of Mount Everest to the isolated forests of Bhutan, where Josh uses bait to force a more personal encounter with the creature.

In the finale of Josh Gates' hunt for the Yeti, he rafts into the most remote corners of Bhutan to capture some of his best evidence yet of the reclusive creature.

Josh is on the hunt for the lost tomb of Alexander the Great; he dives Egypt's coast, revealing ruins of Alexander's Royal Quarter; he tunnels under modern Alexandria, but a water pump malfunction puts everything at risk.

Spanning Europe and Africa, Josh's chase for Alexander's remains and fortune ramps up; clues mount in a flooded ruin beneath Alexandria, Egypt; Josh gathers evidence Alexander's body may actually lie in Venice's St. Mark's Cathedral.

Heather and Phil travel to the ancient Mayan city of Xunantunich in search of a spirit named the Stone Lady.

Josh is on the hunt for the lost tomb of Alexander the Great; he dives Egypt's coast, revealing ruins of Alexander's Royal Quarter; he tunnels under modern Alexandria, but a water pump malfunction puts everything at risk.

Phil and Heather descend deep into the Mayan underworld to explore a vast subterranean cave believed to be the realm of menacing and ancient spirits.

Josh is on the hunt for the lost tomb of Alexander the Great; he dives Egypt's coast, revealing ruins of Alexander's Royal Quarter; he tunnels under modern Alexandria, but a water pump malfunction puts everything at risk.

Spanning Europe and Africa, Josh's chase for Alexander's remains and fortune ramps up; clues mount in a flooded ruin beneath Alexandria, Egypt; Josh gathers evidence Alexander's body may actually lie in Venice's St. Mark's Cathedral.-- Changed stoptime! --.

Phil and Heather descend deep into the Mayan underworld to explore a vast subterranean cave believed to be the realm of menacing and ancient spirits.

Kitchen trouble forces Tickle to shut down his restaurant; Josh proposes they make carrot-apple moonshine to raise the $8,000 needed to reopen.

Phil and Heather descend deep into the Mayan underworld to explore a vast subterranean cave believed to be the realm of menacing and ancient spirits.

A Civil War document signed by Abraham Lincoln; a rare Harley-Davidson commemorative bicycle; Paul's vintage Martin guitar.

Kitchen trouble forces Tickle to shut down his restaurant; Josh proposes they make carrot-apple moonshine to raise the $8,000 needed to reopen.

Scott & Hilary Martin take the BIG BASS Challenge in Lake County Florida on the Harris Chain of Lakes!

A Civil War document signed by Abraham Lincoln; a rare Harley-Davidson commemorative bicycle; Paul's vintage Martin guitar.

A gold-and-diamond bracelet belonging to Elvis; silver replicas of Columbus's three ships; a tour of a wildlife preserve.

Scott & Hilary Martin take the BIG BASS Challenge in Lake County Florida on the Harris Chain of Lakes!

A 17th-century naval cannon; a deed signed by President John Quincy Adams; testing a quack medical device.

Patriotic Kenny, an 82-year-old Navy veteran with more than 2.7 million TikTok followers, discusses how he gifts mobility scooters to help fellow vets in need.

A gold-and-diamond bracelet belonging to Elvis; silver replicas of Columbus's three ships; a tour of a wildlife preserve.

A 17th-century naval cannon; a deed signed by President John Quincy Adams; testing a quack medical device.

George heads back to the Marquesas Keys, joined by Capts. Diego Toiran and Armani Garcia, Key West guides and lovers of the Marquesas; the trio catches grouper, snapper and even one of the typical surprise species these waters always seem to produce.

Patriotic Kenny, an 82-year-old Navy veteran with more than 2.7 million TikTok followers, discusses how he gifts mobility scooters to help fellow vets in need.

Captain Rick Murphy pursues tarpon and snook at No Name Fly Lodge in Puerto Rico with Pat Ehlers, owner of The Fly Fishers Shop.

George heads back to the Marquesas Keys, joined by Capts. Diego Toiran and Armani Garcia, Key West guides and lovers of the Marquesas; the trio catches grouper, snapper and even one of the typical surprise species these waters always seem to produce.

Elite survivalists Matt Wright and Gary Golding are tested by deadly spitting cobras and territorial elephants in an African killing zone; however, Matt and Gary aren't alone, and they must protect novices from the threats surrounding them.

Captain Rick Murphy pursues tarpon and snook at No Name Fly Lodge in Puerto Rico with Pat Ehlers, owner of The Fly Fishers Shop.

Elite survivalists Matt Wright and Gary Golding are tested by deadly spitting cobras and territorial elephants in an African killing zone; however, Matt and Gary aren't alone, and they must protect novices from the threats surrounding them.

Former Marine Tim and stonemason Shannon take on armies of stinging red ants and bubbling mud volcanoes on the Caribbean island of Trinidad; even with this daunting location working against them, their biggest struggle is actually with each other.

Former Marine Tim and stonemason Shannon take on armies of stinging red ants and bubbling mud volcanoes on the Caribbean island of Trinidad; even with this daunting location working against them, their biggest struggle is actually with each other.

People try to survive for three weeks in the cold of the Himalayan foothills, one survivalist's illness threatens the chances of both of them.

Survivalists take on the Amazon and it's dangerous wildlife without any modern conveniences or clothing.

When a third survivalist is added to the mix, romantic complications make surviving the Colombian jungle's poisonous dart frogs and deadly jaguars much more complicated.

On the edge of the Bermuda Triangle, an Army veteran dive master and a Cajun boat captain take on relentless thunderstorms and battle dehydration as they try navigate more than 20 miles of open ocean in the ultimate test of sink or swim.

On the edge of the Bermuda Triangle, an Army veteran dive master and a Cajun boat captain take on relentless thunderstorms and battle dehydration as they try navigate more than 20 miles of open ocean in the ultimate test of sink or swim.

A survivalist postpones her wedding to try to make it to 21 days with a British commando in the mosquito-infested Colombian tropics.

A survivalist postpones her wedding to try to make it to 21 days with a British commando in the mosquito-infested Colombian tropics.

The first-ever double amputee survivalist and an ex-Marine battle torrential storms, deadly snakes and swarming mosquitos as they strive in the dense jungles of Belize.

The first-ever double amputee survivalist and an ex-Marine battle torrential storms, deadly snakes and swarming mosquitos as they strive in the dense jungles of Belize.

In a modern-day treasure hunt, Matt Paxton, the.

In a modern-day treasure hunt, Matt Paxton, the.

Surrounded by aggressive and territorial black bears day and night, two survivalists must compete against the apex predators for resources in the Smoky Mountains of Tennessee.

The first-ever double amputee survivalist and an ex-Marine battle torrential storms, deadly snakes and swarming mosquitos as they strive in the dense jungles of Belize.

Surrounded by aggressive and territorial black bears day and night, two survivalists must compete against the apex predators for resources in the Smoky Mountains of Tennessee.

The first-ever double amputee survivalist and an ex-Marine battle torrential storms, deadly snakes and swarming mosquitos as they strive in the dense jungles of Belize.

In a modern-day treasure hunt, Matt Paxton, the.

In a modern-day treasure hunt, Matt Paxton, the.

Surrounded by aggressive and territorial black bears day and night, two survivalists must compete against the apex predators for resources in the Smoky Mountains of Tennessee.

With the clock ticking on the fall season, Sig devises a way to simultaneously silence his crew and fish faster; as Wild Bill goes under the knife, he elevates Landon to captain the Summer Bay; after giving Jack fishing intel, Keith smells a rat.

Surrounded by aggressive and territorial black bears day and night, two survivalists must compete against the apex predators for resources in the Smoky Mountains of Tennessee.

With the clock ticking on the fall season, Sig devises a way to simultaneously silence his crew and fish faster; as Wild Bill goes under the knife, he elevates Landon to captain the Summer Bay; after giving Jack fishing intel, Keith smells a rat.

Mother Nature blows back as the four remaining captains battle to tank their fall quotas; Landon prays for deliverance on his first solo mission; Sig persists in fishing in 20-foot seas.

In 50-year-old abandoned tunnels of Lovitt Day Mine, Dave is on the hunt for the hundreds of millions of dollars of gold left in the rock; with the last living miner to work these tunnels, Dave searches for a life-changing haul of hard rock gold.

Pressure mounts on Jason to locate legendary main channel gold following the team's first big gold weigh-in; just as the operation begins firing on all cylinders, Dave faces devastating family news.

In 50-year-old abandoned tunnels of Lovitt Day Mine, Dave is on the hunt for the hundreds of millions of dollars of gold left in the rock; with the last living miner to work these tunnels, Dave searches for a life-changing haul of hard rock gold.

A drunk man dressed like a giant baby refuses to let Shawn tow his car; a frightening find spooks Pineapple; during a call at a haunted house, the tow truck driver is terrified.

Pressure mounts on Jason to locate legendary main channel gold following the team's first big gold weigh-in; just as the operation begins firing on all cylinders, Dave faces devastating family news.

A drunk man dressed like a giant baby refuses to let Shawn tow his car; a frightening find spooks Pineapple; during a call at a haunted house, the tow truck driver is terrified.

It's a race for the most tows as thousands of fans descend on Las Vegas for the Formula One Grand Prix; TW subdues a raunchy party while Shawn confronts a racegoer carrying a big wrench; Elmer's frustrations with The Tow Truck Company come to a head.

Tensions run high on the streets of Las Vegas as the year comes to a close; Elmer has a blowout with his boss; Pineapple rips into a new driver over their worst tow ever; Nick deals with a raging customer.

Seeing near-death events, brushing with disaster and life-changing close calls caught on camera; Mother Nature, speeding trains or explosions can deliver an untimely end, unless a split-second decision is made to change the course of fate.

Tow truck drivers hunt for illegally parked cars in Las Vegas; a driver gambles and accepts payment in casino chips; an urgent tow is needed at a drive-through wedding chapel; a big rig tow leads to a tense standoff; a tow truck driver is attacked.

Being naked in public is about as bold a choice as one can make, but there's something special about these free and fearless frolickers. Raunchy rule-breakers demonstrate how breaking societal norms and laws can put one in a pickle.

Seeing near-death events, brushing with disaster and life-changing close calls caught on camera; Mother Nature, speeding trains or explosions can deliver an untimely end, unless a split-second decision is made to change the course of fate.

Being naked in public is about as bold a choice as one can make, but there's something special about these free and fearless frolickers. Raunchy rule-breakers demonstrate how breaking societal norms and laws can put one in a pickle.

When crooks and criminals run for freedom, the police aren't far behind; lawbreakers utilize every tool at their disposal to make their escape and officers must do the same in this dangerous battle of wits, speed and weaponry.

In the world of air travel, crime and misconduct are skyrocketing, causing unruly travelers to be denied boarding; protesting passengers create turbulence for everyone on board; when mechanical issues arise, the real chaos begins.

A wild journey of outrageous clips; near-miss car crashes, avalanche disasters and a terrifying, death-defying glider ride.

An adrenaline-fueled journey across the nation to dive into America's road adventures.

In a modern-day treasure hunt, Matt Paxton, the.

All the comedy clip chips at the center of the table; lessons on all the hits, misses, and missteps.

Unveiling the uproarious clash between humans and machines; from power tools to semi-trucks, each moment is a lighthearted adventure in the whimsical battle of man vs. machine.

Officers get a surprise with narcotics hide within a shipment of rubber; suspicions raise when a routine X-ray reveals packages hidden inside the tires of a truck; a missing teenager with a rap sheet is turned in to the authorities.

Officers find farm equipments packed full of narcotics; teenagers are caught smuggling anti-anxiety pills; a truck is found with a secret compartment full of drugs, requiring a complex code to open it; a van's gas tank has more than fuel in it.

When officers see an approaching vehicle make a sudden U-turn, they give chase and find a bag with a gun and ammunition.

Officers examine a trailer filled with cooking supplies and unearth a GPS tracker -- the kind cartels use to watch their loads. US citizens who accidentally approach the international border are inspected, and it turns out they have a few secrets.

When a bus is stopped for a routine search, an X-ray reveals some contents may be under pressure; a U.S. family's pet parakeet is denied entry into Mexico and without special USDA approval, it may not be allowed back into America either.

Air cargo officers investigate a drug-smuggling operation that uses the postal service to export marijuana abroad; when vials of a mysterious powder arrive from China, officers suspect they may be dangerous counterfeit clinical skincare injections.

When a trailer full of sea salt shows up at the bridge, officers decide to inspect it; the bags do contain a crystalline substance and it's an illicit one; during an inspection of a U.S. citizen, something illegal rolls out of his pocket.

Air cargo officers investigate a drug-smuggling operation that uses the postal service to export marijuana abroad; when vials of a mysterious powder arrive from China, officers suspect they may be dangerous counterfeit clinical skincare injections.

When a bus is stopped for a routine search, an X-ray reveals some contents may be under pressure; a U.S. family's pet parakeet is denied entry into Mexico and without special USDA approval, it may not be allowed back into America either.

A man arrives with what looks like multiple rounds of high-caliber bullets in his suitcase; when a K-9 alerts to a harmless box of kids' games, officers find more than they bargained for; Officers are alarmed by a traveler's strong-smelling soap.

When a bus is stopped for a routine search, an X-ray reveals some contents may be under pressure; a U.S. family's pet parakeet is denied entry into Mexico and without special USDA approval, it may not be allowed back into America either.

Air cargo officers investigate a drug-smuggling operation that uses the postal service to export marijuana abroad; when vials of a mysterious powder arrive from China, officers suspect they may be dangerous counterfeit clinical skincare injections.

When a trailer full of sea salt shows up at the bridge, officers decide to inspect it; the bags do contain a crystalline substance and it's an illicit one; during an inspection of a U.S. citizen, something illegal rolls out of his pocket.

Air cargo officers investigate a drug-smuggling operation that uses the postal service to export marijuana abroad; when vials of a mysterious powder arrive from China, officers suspect they may be dangerous counterfeit clinical skincare injections.

Tormented by childhood memories of abduction, a woman discovers an implant in her body; a sailor captures lights over the Pacific Ocean that he believes are alien craft, and a couple finds unusual footprints in the woods.

A man arrives with what looks like multiple rounds of high-caliber bullets in his suitcase; when a K-9 alerts to a harmless box of kids' games, officers find more than they bargained for; Officers are alarmed by a traveler's strong-smelling soap.

With Dave home for his father's memorial, Team Turin makes a promise to hit it big in his honor; with the Bank Cut running out, Jason must think outside the box to find new ground and keep them on the gold.

Tormented by childhood memories of abduction, a woman discovers an implant in her body; a sailor captures lights over the Pacific Ocean that he believes are alien craft, and a couple finds unusual footprints in the woods.

With Dave home for his father's memorial, Team Turin makes a promise to hit it big in his honor; with the Bank Cut running out, Jason must think outside the box to find new ground and keep them on the gold.

Jason takes a huge gamble by opening a new cut; Dave returns to find the team in disarray and fights to prove the Vault Cut is a risk willing to take.

As the mid-summer Colorado heat bears down on the team, Jesse heads to Montana to salvage parts from the old washplant and Dave struggles to keep the operation together for another major gold haul.

A barrage of heavy gunfire in an archery-only area puts wildlife agents on high alert; two boaters are stranded on Catahoula Lake; a hunter is caught in an act of fraud; a veteran agent encounters a high-stakes violation on his final patrol.

A barrage of heavy gunfire in an archery-only area puts wildlife agents on high alert; two boaters are stranded on Catahoula Lake; a hunter is caught in an act of fraud; a veteran agent encounters a high-stakes violation on his final patrol.

Wildlife agents join a manhunt for an armed fugitive on the bayou; a nervous young hunter reveals a serious violation; a night shrimping bust leads to a familiar and unrepentant culprit.

LDWF biologists undertake an explosive mission to help conserve Louisiana's wild turkeys; a suspicious deer skull points to a hunter flouting the law; more than 1,000 lbs of shrimp are at stake when a captain is caught in a major violation.

Wildlife agents interrogate a felon caught hunting with a firearm; witnesses report a hunter trying to bludgeon a swimming deer from his boat; a duck shot out of season leads agents to a slew of violations.

Ever since Josh Owens' footage goes viral showing a moonshiner in Brazil making liquor from sugar cane juice in just two days, Josh can't wait to judge a competition in which three top distillers compete to make cachaça, Brazil's national spirit.

Ever since Josh Owens' footage goes viral showing a moonshiner in Brazil making liquor from sugar cane juice in just two days, Josh can't wait to judge a competition in which three top distillers compete to make cachaça, Brazil's national spirit.

Moonshiners stars Richard Landry, Killer Beaz and Howard Thompson compete to turn spicy peppers into tasty, high-proof moonshine; it takes a master moonshiner to run a balanced hot liquor and every misstep comes at the price of sweat and tears.

Mark, Digger and Tim judge as three top distillers go head-to-head to distill off-the-shelf beers into high-proof liquor.

Tickle's mom brings the cake as three top distillers compete to turn a bakery's worth of cookies and confections into scrumptious, high-proof liquor.

Fearing that the law targets them, Mark and Digger enlist a new team member who can't testify to do the dirty work; Tickle and the Laws get their hands on a field of free sorghum seeds, but must rely on an unproven recipe to turn them into shine.

Fearing that the law targets them, Mark and Digger enlist a new team member who can't testify to do the dirty work; Tickle and the Laws get their hands on a field of free sorghum seeds, but must rely on an unproven recipe to turn them into shine.

Desperate to save his low-cost sorghum seed liquor, Tickle poaches pumpkins from his wife's patch; when a hippie commune requests a large quantity of hard kombucha, Mike and Jerry find they still have a lot to learn about fermentation.

Realizing that they may be targets of a police stakeout, Mark and Digger prepare their outlaw distilling teams for the worst; Howard drinks the last bottle of decades-old rye elixir, forcing Tim to recreate his dad's unwritten recipe.

Desperate to discover who is surveilling them, Mark and Digger set a trap; Tim and Howard attempt a new path to recreating the family's high-proof elixir recipe; when Big Chuk arrives in Franklin County unexpectedly, Tickle and Henry have concerns.

Mark and Digger scramble to clear evidence of outlaw activity, only to discover the law is one step ahead.

Constables patrol the streets of Pennsylvania, deploying undercover schemes to lure people suspected of committing crimes out of hiding and serve them warrants.

Constables patrol the streets of Pennsylvania, deploying undercover schemes to lure people suspected of committing crimes out of hiding and serve them warrants.

In a modern-day treasure hunt, Matt Paxton, the.

Constables patrol the streets of Pennsylvania, deploying undercover schemes to lure people suspected of committing crimes out of hiding and serve them warrants.

In a modern-day treasure hunt, Matt Paxton, the.

Tim lures Tickle to Kentucky on a quest to unearth the origins of sour mash whiskey and why it changed American distilling forever; with help from Howard and Art, they build a period-correct pot still to recreate a recipe nearly two centuries-old.

In a modern-day treasure hunt, Matt Paxton, the.

Tim lures Tickle to Kentucky on a quest to unearth the origins of sour mash whiskey and why it changed American distilling forever; with help from Howard and Art, they build a period-correct pot still to recreate a recipe nearly two centuries-old.

Mark and Digger scramble to clear evidence of outlaw activity, only to discover the law is one step ahead.

Tim lures Tickle to Kentucky on a quest to unearth the origins of sour mash whiskey and why it changed American distilling forever; with help from Howard and Art, they build a period-correct pot still to recreate a recipe nearly two centuries-old.

Mark and Digger scramble to clear evidence of outlaw activity, only to discover the law is one step ahead.

Constables patrol the streets of Pennsylvania, deploying undercover schemes to lure people suspected of committing crimes out of hiding and serve them warrants.

Constables patrol the streets of Pennsylvania, deploying undercover schemes to lure people suspected of committing crimes out of hiding and serve them warrants.

In a modern-day treasure hunt, Matt Paxton, the.

Constables patrol the streets of Pennsylvania, deploying undercover schemes to lure people suspected of committing crimes out of hiding and serve them warrants.

In a modern-day treasure hunt, Matt Paxton, the.

Tim lures Tickle to Kentucky on a quest to unearth the origins of sour mash whiskey and why it changed American distilling forever; with help from Howard and Art, they build a period-correct pot still to recreate a recipe nearly two centuries-old.

In a modern-day treasure hunt, Matt Paxton, the.

Tim lures Tickle to Kentucky on a quest to unearth the origins of sour mash whiskey and why it changed American distilling forever; with help from Howard and Art, they build a period-correct pot still to recreate a recipe nearly two centuries-old.

As the Hoffman crew completes a marathon of government fixes in record time, Todd promises a gold bonus to everyone who completes the season.

Tim lures Tickle to Kentucky on a quest to unearth the origins of sour mash whiskey and why it changed American distilling forever; with help from Howard and Art, they build a period-correct pot still to recreate a recipe nearly two centuries-old.

As the Hoffman crew completes a marathon of government fixes in record time, Todd promises a gold bonus to everyone who completes the season.

Dave calls in Freddy Dodge and Juan Ibarra to troubleshoot a faulty hopper; with the Vault Cut running low, a local old-timer points Dave to new ground.

Dave calls in Freddy Dodge and Juan Ibarra to troubleshoot a faulty hopper; with the Vault Cut running low, a local old-timer points Dave to new ground.

The lost civilization of Atlantis continues to mystify experts today and new discoveries may finally reveal its location.

Parker brokers a deal with Tony to open a new cut on the Indian River. Tony's new trommel build gets derailed when a fire breaks out. Fred's crew steps up. Dustin calls on The Pirate to help crack a boulder blocking him from huge nuggets.

The lost civilization of Atlantis continues to mystify experts today and new discoveries may finally reveal its location.

One of the largest Nazi bunkers ever constructed, outside the French town of Watten, is a missile facility with storage for 108 missiles and two launch pads.

Parker brokers a deal with Tony to open a new cut on the Indian River. Tony's new trommel build gets derailed when a fire breaks out. Fred's crew steps up. Dustin calls on The Pirate to help crack a boulder blocking him from huge nuggets.

One of the largest Nazi bunkers ever constructed, outside the French town of Watten, is a missile facility with storage for 108 missiles and two launch pads.

New discoveries reveal whether this abandoned mansion was a secret Nazi base intended for a sinister mission.

A secret weapons program in the heart of Austria could have caused trouble for the Allies and may have indicated nuclear plans being concocted by Hitler.

When a top-secret Nazi base is discovered in France decades after the war ends, experts use cutting-edge tech to reveal the secrets of this compound; what they find could change what is known about D-Day and the last stand of the Nazi regime.

In Puerto Rico, Josh Gates explores caves and treks through dense jungles in search of the chupacabra; working with a wildlife biologist, a veterinarian and an investigator, Josh explores a recent wave of attacks to separate fact from fiction.

As the Soviet Army pushes the Nazis out of Poland, they discover a massive city of over 1,000 buildings that was unknown to the Allies; using the latest science, experts reveal how Hitler was able to keep this sinister place hidden for so long.

In Puerto Rico, Josh Gates explores caves and treks through dense jungles in search of the chupacabra; working with a wildlife biologist, a veterinarian and an investigator, Josh explores a recent wave of attacks to separate fact from fiction.

Josh Gates travels to Hungary to join three separate archeological teams looking for the lost tomb of Attila the Hun; legends and ancient texts lead the search from the bottom of the Danube to the mountain forests just outside of Budapest.

Josh seeks a long-lost Incan mummy high in the Andes Mountains.

Josh looks to finally crack the DB Cooper case, America's only unsolved skyjacking; a deathbed confession and cutting-edge forensics have Josh hot on the trail of the $200,000 ransom that's never been recovered.

Josh chases the fortune stolen by loyalists to Britain's crown during the American Revolution; investigations of the infamous Doan Gang; Josh helps dig up a cache of plundered coins; a cave search pinpoints the turncoats' hideout.

Heather and Phil travel to the ancient Mayan city of Xunantunich in search of a spirit named the Stone Lady.

Josh travels to the Holy Land to find a lost city where Jesus performed many miracles and is home to three apostles; while investigating competing sites that claim to be the lost city, Josh reveals an inscription that hasn't been seen in 1,400 years.

Heather and Phil travel to the ancient Mayan city of Xunantunich in search of a spirit named the Stone Lady.

Phil and Heather descend deep into the Mayan underworld to explore a vast subterranean cave believed to be the realm of menacing and ancient spirits.

Adventurer Josh Gates, scientist Phil Torres and paranormal researcher Jessica Chobot investigate reports of supernatural encounters, mysterious creatures and extraterrestrial phenomena.

Bryce, Mireya, Russell and Biko converge at the high-activity area in.

In 1590, the settlers of Roanoke vanished without a trace; new evidence finally reveals what happened; archaeologists investigate what destroyed the original Sin City, Sodom; a new theory suggests Stonehenge may be more than it seems.

Bryce, Mireya, Russell and Biko converge at the high-activity area in.

Phil and Heather descend deep into the Mayan underworld to explore a vast subterranean cave believed to be the realm of menacing and ancient spirits.

In 1590, the settlers of Roanoke vanished without a trace; new evidence finally reveals what happened; archaeologists investigate what destroyed the original Sin City, Sodom; a new theory suggests Stonehenge may be more than it seems.

Phil and Heather descend deep into the Mayan underworld to explore a vast subterranean cave believed to be the realm of menacing and ancient spirits.

Adventurer Josh Gates, scientist Phil Torres and paranormal researcher Jessica Chobot investigate reports of supernatural encounters, mysterious creatures and extraterrestrial phenomena.

Bryce, Mireya, Russell and Biko converge at the high-activity area in.

In 1590, the settlers of Roanoke vanished without a trace; new evidence finally reveals what happened; archaeologists investigate what destroyed the original Sin City, Sodom; a new theory suggests Stonehenge may be more than it seems.

Bryce, Mireya, Russell and Biko converge at the high-activity area in.

The Fifth-Annual Street Outlaws: No Prep Kings race at the National Trail Raceway in Ohio.

In 1590, the settlers of Roanoke vanished without a trace; new evidence finally reveals what happened; archaeologists investigate what destroyed the original Sin City, Sodom; a new theory suggests Stonehenge may be more than it seems.

The team finally gains access to the potential motherlode in the Hummocks; as soon as the crew begins, Box Creek is hit by a huge snowstorm, and Jason makes an alarming discovery.

The Fifth-Annual Street Outlaws: No Prep Kings race at the National Trail Raceway in Ohio.

The team finally gains access to the potential motherlode in the Hummocks; as soon as the crew begins, Box Creek is hit by a huge snowstorm, and Jason makes an alarming discovery.

Dave returns to the Doodlebug Cut in hopes of beating his 400-oz season goal, but when the channel he's mining is lost, Dave tracks down the son of an old-timer who gives him a lead that could send him over the top.

When a dam breaks during routine maintenance, engineers fear a catastrophic flood; experts use the latest science to investigate what went wrong and how a simple miscalculation could be to blame.

An oil rig in a Louisiana lake drills in the wrong place and causes a massive whirlpool that drains the entire lake; exploring why this sinkhole disaster was one of the greatest engineering catastrophes in American history.

Montreal's Olympic Stadium is an ambitious engineering project with a striking space-age design, but it's distinctive roof has caused more than $1 billion in cost overruns; experts reveal what went wrong and how cutting-edge science can fix it.

Rocking suspension bridge.

While officers inspect a cargo shipment for illegal marijuana, an X-ray reveals some lewd contents; a character attracts officers' attention for bringing medications they suspect he intends to sell at a alternative festival.

Officers find chessboards loaded with more than 32 pieces; a couple who claimed only half the purchases they made abroad face a hefty fine and having their items seized; two travelers attempting to avoid immigration questions get caught.

Officers find a fraudulent passport hidden in a video game case, a telltale sign of criminals at work; a traveler who just returns from Paris claims she has nothing to declare, but a search of her bags reveals a suspicious $200,000 diamond watch.

Officers inspect an old computer that looks like it's hiding something suspicious. A man entering with a commercial amount of Betta fish claims he's importing them for personal use, although the species is often bred for illegal fish fighting.

At the Brownsville, Texas, point of entry, officers encounter drug trafficking, fraudulent documents and illegal merchandise; authorities seize $7 million worth of marijuana hidden inside a rolled carpet during a routine cargo inspection.

A drunk driver causes a three-car crash; a man attempts to import counterfeit goods; an investigation is launched into a pill-smuggling ring, and a shipment of cocaine is found inside office furniture; an armed robber on the run is captured.

An officer catches a woman trying to use a forged visa to get into the U.S.; a rookie officer takes part in a cocaine seizure; officers suspect a traveler claiming to be a pastor on the way to a religious conference may not be who he says he is.

Officers discover an illicit load in a shipment of garbage bags; a U.S. Marshal exhibits some disorderly conduct; a woman previously imprisoned for trafficking meth is found with an excessive amount of pills; knockoff luxury goods are uncovered.

A concealed shipment is hidden in the fifth wheel of a tractor-trailer; officers searching a courier's van find a lethal cache; an unlikely source sets off the radiation detector; a young woman is detained for a warrant she didn't know she had.

A mother and daughter are caught under the influence of meth; a million-dollar load is found within a shipment of mattresses; a young traveler attempts to smuggle pills in his waistband; officers apprehend a man with an outstanding warrant.

In a modern-day treasure hunt, Matt Paxton, the.

When a trailer full of sea salt shows up at the bridge, officers decide to inspect it; the bags do contain a crystalline substance and it's an illicit one; during an inspection of a U.S. citizen, something illegal rolls out of his pocket.

A concealed shipment is hidden in the fifth wheel of a tractor-trailer; officers searching a courier's van find a lethal cache; an unlikely source sets off the radiation detector; a young woman is detained for a warrant she didn't know she had.

A mother and daughter are caught under the influence of meth; a million-dollar load is found within a shipment of mattresses; a young traveler attempts to smuggle pills in his waistband; officers apprehend a man with an outstanding warrant.

In a modern-day treasure hunt, Matt Paxton, the.

When a trailer full of sea salt shows up at the bridge, officers decide to inspect it; the bags do contain a crystalline substance and it's an illicit one; during an inspection of a U.S. citizen, something illegal rolls out of his pocket.

As fire season draws closer and threatens widespread shutdowns, Jared's feeling the heat; he races to salvage logs before it's too late; at Grizzly River, fallers Jim and Rob are called in to help clear a path to one last stand of money trees.

Dave makes a dramatic pitch to return to Lynx Creek for a shot at the team's first-ever million-dollar season; Casey must find gold fast as Jason is hit with a bombshell that could end their Arizona adventure before it begins.

In Arizona, Dave spots a clue that could be evidence of main channel gold before leaving for an epic prospect in Alaska; when Jason decides to move the crew off questionable pay, the pressure is on to hit the weekly target.

With a 27-ounce goal, Team Turin is back on the hunt when the Jesse Cut runs dry; Dave struggles to find the crew's next lost mine in Montana.

Drowning in debt, Jared is doing everything he can to keep his business afloat and his workers employed; when foul play threatens to sink his float camp, Jared fights back as his fallers play a game of dominos to get high-dollar trees to market.

Jared needs to move $1 million of wood down a river to market but can't find anyone brave enough to lead the journey; moving deeper into the wilderness to chase big wood, the road builders prepare a blast to gain access.

In an all-out push to turn a profit at Grizzly Camp, Jared enlists Dave to navigate $200,000 of wood down the deadly Grizzly River; fallers Chris and Jeff tackle steep terrain in search of big wood.

As fire season draws closer and threatens widespread shutdowns, Jared's feeling the heat; he races to salvage logs before it's too late; at Grizzly River, fallers Jim and Rob are called in to help clear a path to one last stand of money trees.

With fire season looming, Jared is under the gun to get all his product out of the woods before it turns to ash; fallers race to drop trees without sparking a backcountry blaze; an alarming discovery at float camp could sink the whole operation.

With just days left to move timber before fire season shuts him down, Jared races to save his float camp from sinking; Dave struggles to send one last haul down Grizzly River; Ross is called to the scene of an accident.

As the bluefin fishery reaches its mid-season peak, three centuries-old fishing strategies compete for dominance.

With the advantage of spotter planes, veteran Tyler and young gun Joe battle for the most monster bluefin until Joe helps strongman Niko get back into contention; when Niko's zapper fails, Tyler steps in to save the day.

As the giant bluefin gorge themselves on schools of fatty baitfish, captains battle to capture oversized quota-killer tuna; young gun Joe scores a rare feat by landing three in a day; veteran Tyler struggles with both science and technology.

Brennan confronts Kevin about a lack of equipment; Tony comes down hard on Mike when a side dumper crashes in a ditch; Parker brings in monster dirt haulers, hoping to get 1,000 ounces of gold weekly.

Rick confronts foreman Buzz, throwing down an ultimatum. Hoping for a big score, Parker fires back up on Sulphur Creek. Tony and Monica go on a treasure hunt at the Hester Cut.

Hoping to bring more gold to Dominion Creek, Parker makes a big equipment purchase, prospects a new spot and explores a new business venture.

Parker investigates a forgotten section of Dominion Creek, Rick expands his ambitions at Vegas Valley, and Kevin loses an excavator just as his pay pile runs out.

With less than a quarter of the bluefin quota still available to catch, a change in weather forces captains to shift their strategy; Tyler quickly scores three big fish; Joe takes to the air, he spots a lone tuna, then races to find it at sea.

The Bushmen scramble to dig to a newly drilled emergency shaft, before they can resume mining; as the mercury soars, the Mooka Boys embark on a mission to crane a vital DIY shelter across the Lunatic Opal Field.

In a modern-day treasure hunt, Matt Paxton, the.

Parker investigates a forgotten section of Dominion Creek, Rick expands his ambitions at Vegas Valley, and Kevin loses an excavator just as his pay pile runs out.

With less than a quarter of the bluefin quota still available to catch, a change in weather forces captains to shift their strategy; Tyler quickly scores three big fish; Joe takes to the air, he spots a lone tuna, then races to find it at sea.

The Bushmen scramble to dig to a newly drilled emergency shaft, before they can resume mining; as the mercury soars, the Mooka Boys embark on a mission to crane a vital DIY shelter across the Lunatic Opal Field.

In a modern-day treasure hunt, Matt Paxton, the.

Chad makes a huge mistake, derailing the operation to drag the box out of the cavern; when they pull out some of the box's contents, they are shocked by what they discover.

As Casey takes a gamble that may return to haunt him, Dave travels to a secret Montana mine stacked with piles of gold-rich ore. With the help of two expert miners and their cutting-edge technology, Dave investigates this golden opportunity.

The Gallery 63 crew are back with a star-spangled 1917 T-Bucket Roadster; Paul is concerned about touching an iron maiden torture device; a cadaver casket brought in by the Garrett Brothers; two new hard-bargaining pickers.

This week on Fly Rod Chronicles, Curtis takes his family and over 30 friends to New Mexico's The Lodge at Chama to fly fish for trout in the surrounding small streams, high mountain lakes, and the San Juan River.

The crew see a John Wayne commemorative gun collection and an Omnibot 2000 robot; Jamie looks at the mystery of a ship's telegraph, such as those used on the Titanic.

Tommy Kemos heads to Lake Erie for the Fall Brawl, trolling Berkley Deep Hit Sticks for late fall walleyes.

A Rick Fairless custom chopper and antique scale; a gas-powered blender leads to an impromptu margarita-making contest.

Meredith McCord teams up with Capt. Justin Leake for a late-spring fishing expedition; they aim to catch a species new to McCord; their successful catch turns out to be impressive.

In the heart of.

Bryce, Mireya, Russell and Biko converge at the high-activity area in.

Josh Gates ventures to Australia's island state of Tasmania to investigate sightings of the supposedly extinct Thylacine, also known as the Tasmanian Tiger.

Josh Gates investigates the legends swirling around the storied life and death of French pirate Jean Lafitte who is reputed to have buried treasure at sites in coastal Louisiana.

Josh Gates travels to the D-Day battlefields and the beaches of Normandy where he joins investigators making history-changing discoveries; Josh uncovers secrets about the invasion, including a complex of Nazi bunkers as well as an unexploded bomb.

Josh travels through the jungles of Ecuador to explore the watery depths of Tayos Cave for a legendary set of metal plates believed to be created by an advanced ancient civilization.

Phil and Jess gain unprecedented access to investigate ghostly voices and apparitions in the massive Civil War stronghold, Ft. Morgan; Gulf Coast storms threaten to destroy the 200-year-old fort and the mysteries inside.

Explorer Josh Gates has put together a team to undertake investigations delving into realms beyond the unknown; Jessica Chobot and Phil Torres join his quest to mount unprecedented expeditions into the unexplained and perhaps unexplainable.

Phil and Jess travel to Monterrey, Mexico, where locals tell of encounters with witches and black magic; upon investigating these stories, they find evidence of dark spells, blood rituals and animal sacrifice.

Phil and Heather journey to the Czech Republic to investigate a castle reportedly built over a literal Nazi portal to hell; through scientific and paranormal experiments, the team seeks proof of sinister activity beneath the castle's chapel.

Heather and Phil continue their deep dive into Nazi occult activity in nearby Poland, where they investigate Nazi strongholds that harbor terrifying secrets; their search leads them to a man-made network of tunnels hiding supernatural relics.

Heather and Phil travel to the French countryside to track down werewolves that have terrorized the locals for centuries; as their investigation deepens, they must figure out if this beast is supernatural or an elusive wolf undiscovered by man.

Phil and Heather journey into the Kentucky wilderness, searching for sasquatches rumored to be highly intelligent; they quickly find themselves in a chilling game of cat and mouse as the beasts seem always to stay one step ahead of them.

The team heads to Arkansas, where a swamp monster has terrorized the small, rural town of Fouke for over a century.

Heather and Phil continue their deep dive into Nazi occult activity in nearby Poland, where they investigate Nazi strongholds that harbor terrifying secrets; their search leads them to a man-made network of tunnels hiding supernatural relics.

Heather and Phil travel to the French countryside to track down werewolves that have terrorized the locals for centuries; as their investigation deepens, they must figure out if this beast is supernatural or an elusive wolf undiscovered by man.

Sign off.

Phil and Heather journey into the Kentucky wilderness, searching for sasquatches rumored to be highly intelligent; they quickly find themselves in a chilling game of cat and mouse as the beasts seem always to stay one step ahead of them.

The team heads to Arkansas, where a swamp monster has terrorized the small, rural town of Fouke for over a century.

Mark and Digger invent a high-proof thump keg; news breaks that their friend Cowboy has been killed; they hurry to retrieve a barrel he was tending; Tickle puts faith in an unproven recipe to save his restaurant; Jerry designs a solar mash fermenter.

A 1907 Edison Morning Glory Phonograph; Frazier and Ali commemorative boxing gloves display.

Team ViceVersa competes against some of the world's best sailfishing teams for a shot at winning $300,000.

Traveling to Belize to pursue the myriad fish swimming in its shallow flats; an adventure off the coast of Placencia to chase bonefish, permit and snook.

A vintage scrimshaw collection and a Rolls-Royce Silver Spur; Colonel Oliver North visits the Gallery.

A gangster-worthy 1937 Hudson Terraplane car; Spark-Jump cigar lighter; 1923 Electro Shock machine.

U.S. Army veteran Domingo Martinez recounts overcoming the life-altering effects of his childhood trauma.

George Poveromo travels to Portugal's Azores in pursuit of big game fish.

Capt. Rick invites bass pro Mike Iaconelli to fish for snook, trout and redfish in Goodland, Fla., with Capt. Ron Hueston at the helm.

Rick confronts foreman Buzz, throwing down an ultimatum. Hoping for a big score, Parker fires back up on Sulphur Creek. Tony and Monica go on a treasure hunt at the Hester Cut.

Parker investigates a forgotten section of Dominion Creek, Rick expands his ambitions at Vegas Valley, and Kevin loses an excavator just as his pay pile runs out.

With less than a quarter of the bluefin quota still available to catch, a change in weather forces captains to shift their strategy; Tyler quickly scores three big fish; Joe takes to the air, he spots a lone tuna, then races to find it at sea.

In a modern-day treasure hunt, Matt Paxton, the.

Instant attraction gives way to unforgiving conditions on a Nicaraguan island teeming with bull sharks and big cats; as the struggle to survive hits a low point, a flood threatens to wipe out the camp and all chances of survival.

A married couple goes from watching the challenge from their couch in Idaho to taking it on in the perilous Philippine jungle.

A self-proclaimed.

Dropped onto a frozen Alaskan glacier, all-star survivalists Laura Zerra and Steven Hall scramble to stave off frostbite and hypothermia; 7,000 miles south, two new survivalists take on a sun-scorched Brazil island, with anaconda and deadly stingray.

The first-ever double amputee survivalist and an Army veteran battle torrential storms, deadly snakes and swarming mosquitos as they strive to make it to 21 days in the dense jungles of Belize.

A superfan teams with a supermom to take on the jungles of Mexico's Yucatán Peninsula for 14 days. Battling brutal storms, ravenous bats and unrelenting hunger, they must rely on sheer grit to survive this fan challenge.

Naked and Afraid legend Steven Lee Hall Jr. joins two first-time survivalists in the brutal backwoods of Kentucky; the deadly copperheads and violent storms push even the King of the Forest to his breaking point.

Matt tackles a dangerous, ten-acre hoard in the Pennsylvania woods to hunt high-value guns and ammo; the old-school machinist's property is packed with heavy equipment and scrap metal, but $25,000 worth of precious metal could make a bet pay off.

In a modern-day treasure hunt, Matt Paxton, the.

Naked and Afraid legend Steven Lee Hall Jr. joins two first-time survivalists in the brutal backwoods of Kentucky; the deadly copperheads and violent storms push even the King of the Forest to his breaking point.

Sign off.

In a modern-day treasure hunt, Matt Paxton, the.

Sig and Keith risk fishing far from land despite a forecast, Super El Niño season and encounter a gauntlet of Bering Sea weather; after sand fleas consume his bait, Johnathan strategically sets pots near a submarine volcano.