Phil and Jessica uncover a rash of recent sightings and new evidence in the Pacific Northwest; new leads about a frightening encounter send them into rocky, dangerous terrain along Mount St. Helens.

Declassified video captured by the U.S. Navy triggers Jess and Phil's investigation into mysterious, supersonic craft flying above -- and racing below -- the waters off California's Catalina Island.

Jess and Phil's investigation into the phenomenon of unidentified submerged objects off the coast of Catalina Island intensifies after the discovery of an extraterrestrial underwater base between the island and the mainland.

Hikers are going missing amid reports of grotesque, human-like creatures prowling Appalachia's Great Smoky Mountains; Phil and Jess venture into the unforgiving wilderness to investigate the truth behind terrifying sightings of feral people.

Chasing the Beast of Bray Road, a half-man, half-beast in rural Wisconsin involved in frequent attacks and new sightings, leaves locals crippled with fear.

Josh Gates, Jessica Chobot and Phil Torres are hot on the trail of a werewolf-like creature terrorizing locals in Wisconsin; eyewitness accounts and sightings lead them to a remote forest where frightening clues may reveal the beast's true identity.

Responding to recent UFO sightings, Josh Gates sends his team to New Mexico for a new investigation into the infamous, unsolved Socorro Landing Incident; using never-before-used technology and with new witnesses, Jess and Phil look to solve Socorro.

Josh wants to investigate ghostly sightings and terrifying sounds coming from an abandoned canal along the Potomac; Jess and Phil dive into the murky depths and search secret tunnels.

Phil and Jessica uncover a rash of recent sightings and new evidence in the Pacific Northwest; new leads about a frightening encounter send them into rocky, dangerous terrain along Mount St. Helens.

Declassified video captured by the U.S. Navy triggers Jess and Phil's investigation into mysterious, supersonic craft flying above -- and racing below -- the waters off California's Catalina Island.

Jess and Phil's investigation into the phenomenon of unidentified submerged objects off the coast of Catalina Island intensifies after the discovery of an extraterrestrial underwater base between the island and the mainland.

Hikers are going missing amid reports of grotesque, human-like creatures prowling Appalachia's Great Smoky Mountains; Phil and Jess venture into the unforgiving wilderness to investigate the truth behind terrifying sightings of feral people.

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.

Josh, Heather and Phil continue their investigation into a haunted lunatic asylum; they encounter extreme paranormal activity, capturing stunning evidence that convinces them this is their most terrifying expedition yet.

China Airlines flight 140 falls out of the sky at Japan's Nagoya Airport.

Continental Flight 1713 crashes on take-off in Denver amid heavy snow.

En route to Hong Kong, Cathay Pacific Flight 780 is high over the South China Sea when both of the plane's engines fail, turning the Airbus A-330 into a 200-ton glider; the captain takes over manual control and manages to power up one engine.

Competing in a highly-modified P-51 Mustang at the Reno Air Races, Jimmy Leeward is determined to set a new speed record, but half way through the race, his plane spirals out of control and crashes onto the tarmac in front of the stands.

En route to Cardiff, Wales, the crew of KLM Cityhopper Flight 433 report an engine problem and head back to the airport; just as it is about to touch down, the aircraft crashes and breaks apart on a field next to the runway.

An American cargo plane attempts a landing at the U.S. naval station at Guantanamo Bay, Cuba; the maneuver requires avoiding Cuban airspace. but something goes terribly wrong on its final approach, and the DC-8 crashes at the end of the runway.

Experts investigate the reason behind why Fine Air Flight 101 crashed into a Miami building moments after take-off.

China Airlines flight 140 falls out of the sky at Japan's Nagoya Airport.

Continental Flight 1713 crashes on take-off in Denver amid heavy snow.

En route to Hong Kong, Cathay Pacific Flight 780 is high over the South China Sea when both of the plane's engines fail, turning the Airbus A-330 into a 200-ton glider; the captain takes over manual control and manages to power up one engine.

Competing in a highly-modified P-51 Mustang at the Reno Air Races, Jimmy Leeward is determined to set a new speed record, but half way through the race, his plane spirals out of control and crashes onto the tarmac in front of the stands.

En route to Cardiff, Wales, the crew of KLM Cityhopper Flight 433 report an engine problem and head back to the airport; just as it is about to touch down, the aircraft crashes and breaks apart on a field next to the runway.

An American cargo plane attempts a landing at the U.S. naval station at Guantanamo Bay, Cuba; the maneuver requires avoiding Cuban airspace. but something goes terribly wrong on its final approach, and the DC-8 crashes at the end of the runway.

Experts investigate the reason behind why Fine Air Flight 101 crashed into a Miami building moments after take-off.

How classic car gauges, chocolate marble cake, ghillie kettles and rubber gloves are made.

How Chinese-style furniture, electrical switches and Thai fish sauce are made.

The making of race car oil tanks; plaster mouldings; lemongrass oil.

Coconut charcoal; dial indicators; wet downdraft tables; bassoon reeds.

As the survivalists approach the halfway point of the challenge, the battle for alpha male prevents them from coming together to battle starvation and sickness.

When Steven and Darrin fail to return from a hunting expedition, the group has no choice but to break camp and search for answers.

Ryan separates from the group and finds his camp circled by a deadly animal while he is sick and helpless.

The contaminated fruit of a single tree sets off a shocking chain of events within a 24-hour period; illness and panic spread through the group, bringing into question whether anyone will make it to Day 40.

How classic car gauges, chocolate marble cake, ghillie kettles and rubber gloves are made.

How Chinese-style furniture, electrical switches and Thai fish sauce are made.

The making of race car oil tanks; plaster mouldings; lemongrass oil.

Coconut charcoal; dial indicators; wet downdraft tables; bassoon reeds.

As the survivalists approach the halfway point of the challenge, the battle for alpha male prevents them from coming together to battle starvation and sickness.

When Steven and Darrin fail to return from a hunting expedition, the group has no choice but to break camp and search for answers.

Ryan separates from the group and finds his camp circled by a deadly animal while he is sick and helpless.

The contaminated fruit of a single tree sets off a shocking chain of events within a 24-hour period; illness and panic spread through the group, bringing into question whether anyone will make it to Day 40.

How classic car gauges, chocolate marble cake, ghillie kettles and rubber gloves are made.

How Chinese-style furniture, electrical switches and Thai fish sauce are made.

The making of race car oil tanks; plaster mouldings; lemongrass oil.

Coconut charcoal; dial indicators; wet downdraft tables; bassoon reeds.

Making the world's finest harp strings; building roof windows that can keep out a hurricane; making Belgian waffles.

Scrap metal is made into a gourmet cooking machine; The exotic aromas of India are created by hand; how sailor's got their Dutch Courage.

A farm in the Netherlands is run almost completey by robots; one of the biggest toughest log stackers is put to work in Sweden; and grand pianos are navigated through the streets of New York.

Indian construction crews go green, using bamboo for most of their scaffolding needs; the secret to multicolored fireworks is finally unlocked.

Mike spends the day in Mobile, Ala. assembling cow bladders that will be used during a Mardi Gras parade.

Counting down the most epic fails with the internet's ultimate mistake makers; these clips are an instruction manual in failure; a crash at 300 mph; a person freaks out in virtual reality; a jetpack goes catastrophically wrong.

How classic car gauges, chocolate marble cake, ghillie kettles and rubber gloves are made.

How Chinese-style furniture, electrical switches and Thai fish sauce are made.

The making of race car oil tanks; plaster mouldings; lemongrass oil.

Coconut charcoal; dial indicators; wet downdraft tables; bassoon reeds.

Making the world's finest harp strings; building roof windows that can keep out a hurricane; making Belgian waffles.

Scrap metal is made into a gourmet cooking machine; The exotic aromas of India are created by hand; how sailor's got their Dutch Courage.

A farm in the Netherlands is run almost completey by robots; one of the biggest toughest log stackers is put to work in Sweden; and grand pianos are navigated through the streets of New York.

Indian construction crews go green, using bamboo for most of their scaffolding needs; the secret to multicolored fireworks is finally unlocked.

Mike spends the day in Mobile, Ala. assembling cow bladders that will be used during a Mardi Gras parade.

Counting down the most epic fails with the internet's ultimate mistake makers; these clips are an instruction manual in failure; a crash at 300 mph; a person freaks out in virtual reality; a jetpack goes catastrophically wrong.

Pasta dies; blueberries; composting toilets; surge arresters.

Learning how angle grinders, berry baskets and omnidirectional speakers are made.

Cartridge blades; chocolate banana loaves; vending machines; dive computers.

How ultra-thin glass, pallet dismantling machines, cupcakes, and seamless stainless steel tubes are made.

As deadly predators begin to close in on the remaining survivalists, they must find the energy to secure food and start their long journey to extraction.

All 12 survivalists return to bring viewers behind the scenes of their 40-day challenge in South Africa; with new interviews and footage.

Nine "Naked and Afraid" veterans attempt to survive the deadly jungles of Ecuador's Amazon Basin for 40 days and 40 nights.

The seven remaining survivalists enter the second week of their 40-day challenge in the bug-infested Amazon jungle.

Pasta dies; blueberries; composting toilets; surge arresters.

Learning how angle grinders, berry baskets and omnidirectional speakers are made.

Cartridge blades; chocolate banana loaves; vending machines; dive computers.

How ultra-thin glass, pallet dismantling machines, cupcakes, and seamless stainless steel tubes are made.

As deadly predators begin to close in on the remaining survivalists, they must find the energy to secure food and start their long journey to extraction.

All 12 survivalists return to bring viewers behind the scenes of their 40-day challenge in South Africa; with new interviews and footage.

Nine "Naked and Afraid" veterans attempt to survive the deadly jungles of Ecuador's Amazon Basin for 40 days and 40 nights.

The seven remaining survivalists enter the second week of their 40-day challenge in the bug-infested Amazon jungle.

Pasta dies; blueberries; composting toilets; surge arresters.

Learning how angle grinders, berry baskets and omnidirectional speakers are made.

Cartridge blades; chocolate banana loaves; vending machines; dive computers.

How ultra-thin glass, pallet dismantling machines, cupcakes, and seamless stainless steel tubes are made.

Fashionable footwear; complete rooms are assembled in under two hours; some of the most valuable books and documents in the world are stored deep underground.

Processing the world's toughest and most expensive nut; lake water into tap water; holding back thousands of fans.

Biggest apartment block on the planet; classic British boots; cooking pans tough enough to last a lifetime.

Crafting a sitar; making beef biltong; building monster bulldozers.

Mike samples life as a medical waste processor, learning what medical waste is and then doing his bit to treat it; his new colleagues have some surprises in store.

Glimpsing into the internet's biggest breakthroughs, genius inventions and awesome builds that are undeniable quantum leaps; robot exoskeletons, swords made with thermite, and high-speed scooters.

Pasta dies; blueberries; composting toilets; surge arresters.

Learning how angle grinders, berry baskets and omnidirectional speakers are made.

Cartridge blades; chocolate banana loaves; vending machines; dive computers.

How ultra-thin glass, pallet dismantling machines, cupcakes, and seamless stainless steel tubes are made.

Fashionable footwear; complete rooms are assembled in under two hours; some of the most valuable books and documents in the world are stored deep underground.

Processing the world's toughest and most expensive nut; lake water into tap water; holding back thousands of fans.

Biggest apartment block on the planet; classic British boots; cooking pans tough enough to last a lifetime.

Crafting a sitar; making beef biltong; building monster bulldozers.

Mike samples life as a medical waste processor, learning what medical waste is and then doing his bit to treat it; his new colleagues have some surprises in store.

Glimpsing into the internet's biggest breakthroughs, genius inventions and awesome builds that are undeniable quantum leaps; robot exoskeletons, swords made with thermite, and high-speed scooters.

Learning how potash, leather bracelets and wild rice are made.

Learning how metal nail files, birch bark canoes and cruiser boat hardtops are made.

The making of macarons, pine needle baskets and micrometers.

Examining how endoscopes, megaphones and uranium are made.

The six remaining survivalists merge into a single team at the halfway point of the brutal 40-day challenge; a deadly bacteria threatens to take out the group's leader.

While mourning the loss of their chief provider, the remaining five survivalists learn they are not alone in the jungles of the Amazon and are given an opportunity to join forces with others.

Days after the arrival of a new team member, division among the remaining six survivalists deepens as Russell leads the men on a risky two-day hunting expedition.

Four weeks into the 40-day Amazon challenge, a violent two-day storm descends on the jungle.

Learning how potash, leather bracelets and wild rice are made.

Learning how metal nail files, birch bark canoes and cruiser boat hardtops are made.

The making of macarons, pine needle baskets and micrometers.

Examining how endoscopes, megaphones and uranium are made.

The six remaining survivalists merge into a single team at the halfway point of the brutal 40-day challenge; a deadly bacteria threatens to take out the group's leader.

While mourning the loss of their chief provider, the remaining five survivalists learn they are not alone in the jungles of the Amazon and are given an opportunity to join forces with others.

Days after the arrival of a new team member, division among the remaining six survivalists deepens as Russell leads the men on a risky two-day hunting expedition.

Four weeks into the 40-day Amazon challenge, a violent two-day storm descends on the jungle.

Learning how potash, leather bracelets and wild rice are made.

Learning how metal nail files, birch bark canoes and cruiser boat hardtops are made.

The making of macarons, pine needle baskets and micrometers.

Examining how endoscopes, megaphones and uranium are made.

Fashioning the iconic Fedora hat; cement that builds the world; harvesting and freezing millions of peas in under three hours.

Turning goat fleeces into fabrics; building a quad bike that turns into a jet ski; creating a harp.

How South Africa's famous redbush tea is produced; robots accurately route passengers' bags at Amsterdam's Schiphol airport; a historic hairbrush fit for a queen is made.

Keeping crooks from cracking credit cards; lifting a 1000 ton ship 70 meters into the air while it is still in the water.

Mike helps to erect a radio communications tower; celebrating the milestone of doing a dirty job in each of the 50 states.

The last humans to walk on the Moon discover something strange on the surface; a NASA scientist investigates a strange phenomenon responsible for horrific mass deaths; a landmark NASA mission threatens to destroy the reputation of an American hero.

Learning how potash, leather bracelets and wild rice are made.

Learning how metal nail files, birch bark canoes and cruiser boat hardtops are made.

The making of macarons, pine needle baskets and micrometers.

Examining how endoscopes, megaphones and uranium are made.

Fashioning the iconic Fedora hat; cement that builds the world; harvesting and freezing millions of peas in under three hours.

Turning goat fleeces into fabrics; building a quad bike that turns into a jet ski; creating a harp.

How South Africa's famous redbush tea is produced; robots accurately route passengers' bags at Amsterdam's Schiphol airport; a historic hairbrush fit for a queen is made.

Keeping crooks from cracking credit cards; lifting a 1000 ton ship 70 meters into the air while it is still in the water.

Mike helps to erect a radio communications tower; celebrating the milestone of doing a dirty job in each of the 50 states.

The last humans to walk on the Moon discover something strange on the surface; a NASA scientist investigates a strange phenomenon responsible for horrific mass deaths; a landmark NASA mission threatens to destroy the reputation of an American hero.

How hollow disk pumps, palm sugar, and yachts are made.

How collagen, digital-to-analog converters, wood mouldings and plier staplers are made.

How Thai barbecues, diving masks and fins, and bassoons are made.

How wood utensils, refrigeration units, moccasins and impact drills are made.

The remaining survivalists struggle to regroup in time for a brutal two-day, 15-mile water extraction journey.

The 10 survivalists reunite for the first time since leaving the Amazon; through roundtable discussion, new interviews, and never-before-seen footage, they offer insight into the highs and lows of their 40-day challenge.

Veterans of all three seasons come together for the first time to compare their experiences and share new insight into the 40-day survival challenge.

Thirteen "Naked and Afraid" all-stars take on the hunting grounds of apex predators including lions, hyenas and jaguars as they attempt to survive 40 days and 40 nights in the unforgiving environment of Africa's Selati River Basin.

How hollow disk pumps, palm sugar, and yachts are made.

How collagen, digital-to-analog converters, wood mouldings and plier staplers are made.

How Thai barbecues, diving masks and fins, and bassoons are made.

How wood utensils, refrigeration units, moccasins and impact drills are made.

The remaining survivalists struggle to regroup in time for a brutal two-day, 15-mile water extraction journey.

The 10 survivalists reunite for the first time since leaving the Amazon; through roundtable discussion, new interviews, and never-before-seen footage, they offer insight into the highs and lows of their 40-day challenge.

Veterans of all three seasons come together for the first time to compare their experiences and share new insight into the 40-day survival challenge.

Thirteen "Naked and Afraid" all-stars take on the hunting grounds of apex predators including lions, hyenas and jaguars as they attempt to survive 40 days and 40 nights in the unforgiving environment of Africa's Selati River Basin.

How hollow disk pumps, palm sugar, and yachts are made.

How collagen, digital-to-analog converters, wood mouldings and plier staplers are made.

How Thai barbecues, diving masks and fins, and bassoons are made.

How wood utensils, refrigeration units, moccasins and impact drills are made.

Massive tunnels are built to prevent blackouts in one of the world's biggest cities; large areas pine forest are turned into perfect pieces of timber.

Scottish manufacturers use pedal power to weave a high-demand fabric for catwalks throughout the world; an Italian company leads the turnaround of the turntable; an Icelandic delicacy has a fishy tale to becoming edible.

Humble horsehair is turned into a bed fit for royalty; a 20-million-dollar, space-faring picnic basket keeps astronauts fed and watered for months at a time; subterranean salad is grown in a World War II bomb shelter below London's busy streets.

An Italian manufacturer makes a hat with enough flair for Hollywood's biggest stars; a low-fat, Icelandic dairy dish is set on conquering the world; a British company is engineering the ultimate commuter companion.

Mike spends the day working as an onion processor as he slices, dices and tastes onions before cleaning out the juicing machine and parts of the reactor.

A mysterious object is orbiting Saturn, and it looks just like the Death Star; new evidence might shed new light on the mysterious death of Yuri Gagarin, the first man in space; when a cutting-edge satellite vanishes, fears of a space war escalate.

How hollow disk pumps, palm sugar, and yachts are made.

How collagen, digital-to-analog converters, wood mouldings and plier staplers are made.

How Thai barbecues, diving masks and fins, and bassoons are made.

How wood utensils, refrigeration units, moccasins and impact drills are made.

Massive tunnels are built to prevent blackouts in one of the world's biggest cities; large areas pine forest are turned into perfect pieces of timber.

Scottish manufacturers use pedal power to weave a high-demand fabric for catwalks throughout the world; an Italian company leads the turnaround of the turntable; an Icelandic delicacy has a fishy tale to becoming edible.

Humble horsehair is turned into a bed fit for royalty; a 20-million-dollar, space-faring picnic basket keeps astronauts fed and watered for months at a time; subterranean salad is grown in a World War II bomb shelter below London's busy streets.

An Italian manufacturer makes a hat with enough flair for Hollywood's biggest stars; a low-fat, Icelandic dairy dish is set on conquering the world; a British company is engineering the ultimate commuter companion.

Mike spends the day working as an onion processor as he slices, dices and tastes onions before cleaning out the juicing machine and parts of the reactor.

A mysterious object is orbiting Saturn, and it looks just like the Death Star; new evidence might shed new light on the mysterious death of Yuri Gagarin, the first man in space; when a cutting-edge satellite vanishes, fears of a space war escalate.

Skateboard wheels; baklava and galaktoboureko; CO2 scrubbers; honeycomb candles.

Everyday items go under the microscope, including kimchi, drum crushers and traditional parquet floors.

Examining how wood watches, mechanical sensors and raw pet food are made.

How thermoplastic fire helmets, basketry sculptures and coffee roasters are made.

Stalked by lions, hyenas and aggressive crocodiles, 13 all-star survivalists try to survive for 40 days in Africa's sun-scorched Selati Basin; resources are scarce, and when one group scavenges meat, hungry predators stalk their camp.

An attack by a venomous predator puts one of the survivalists at risk just three days into the challenge; with food scarce, the competitors hunt warthogs and impalas, and, as they track their prey, the survivalists are also being stalked.

A survivalist enters a leopard kill zone to secure a big kill for his team; a storm unleashes torrential rains on each camp, and the temperature plummets nearly 40 degrees; a survivalist is forced to leave as a result of the brutal conditions.

Freezing rainstorms torment the remaining survivalists who are at risk for severe hypothermia; a successful hunt ends up backfiring and could cost two survivalists the challenge.

Skateboard wheels; baklava and galaktoboureko; CO2 scrubbers; honeycomb candles.

Everyday items go under the microscope, including kimchi, drum crushers and traditional parquet floors.

Examining how wood watches, mechanical sensors and raw pet food are made.

How thermoplastic fire helmets, basketry sculptures and coffee roasters are made.

Stalked by lions, hyenas and aggressive crocodiles, 13 all-star survivalists try to survive for 40 days in Africa's sun-scorched Selati Basin; resources are scarce, and when one group scavenges meat, hungry predators stalk their camp.

An attack by a venomous predator puts one of the survivalists at risk just three days into the challenge; with food scarce, the competitors hunt warthogs and impalas, and, as they track their prey, the survivalists are also being stalked.

A survivalist enters a leopard kill zone to secure a big kill for his team; a storm unleashes torrential rains on each camp, and the temperature plummets nearly 40 degrees; a survivalist is forced to leave as a result of the brutal conditions.

Freezing rainstorms torment the remaining survivalists who are at risk for severe hypothermia; a successful hunt ends up backfiring and could cost two survivalists the challenge.

Skateboard wheels; baklava and galaktoboureko; CO2 scrubbers; honeycomb candles.

Everyday items go under the microscope, including kimchi, drum crushers and traditional parquet floors.

Examining how wood watches, mechanical sensors and raw pet food are made.

How thermoplastic fire helmets, basketry sculptures and coffee roasters are made.

Manufacturers give a behind-the-scenes look at the chart-topping, six-string star of rock and roll; the motorsports secrets to racing around the clock with a road car turned endurance racer; the popular seafood spread made from cod roe.

Engineers look at Pisa's gravity-defying tower that has been tipping for 800 years; a lucky duck is unharmed while its down is used in the world's most-expensive duvets; a factory reveals the gastronomic genius behind a teatime accompaniment.

History's greatest moments are preserved for all time on skin; the fastest moving object in the world of sports takes flight; Vikings harness the explosive power of volcanoes to make gourmet salt.

The wizardry behind the push-button ballpoint pen saves millions of shirts from annoying ink stains; soldiers get their pizza fix deep behind enemy lines; a bunch of river weeds are transformed into hefty, must-have rugs.

Discoveries about interstellar space, the space between the universe's stars, reveal that it's not empty and unremarkable as previously thought, but filled with weird objects and strange phenomena that might hold the darkest secrets of the cosmos.

Black holes are not the violent monsters people think they are, and new discoveries reveal that they might have been essential to creating stars, giving light, and building the universe itself.

Skateboard wheels; baklava and galaktoboureko; CO2 scrubbers; honeycomb candles.

Everyday items go under the microscope, including kimchi, drum crushers and traditional parquet floors.

Examining how wood watches, mechanical sensors and raw pet food are made.

How thermoplastic fire helmets, basketry sculptures and coffee roasters are made.

Manufacturers give a behind-the-scenes look at the chart-topping, six-string star of rock and roll; the motorsports secrets to racing around the clock with a road car turned endurance racer; the popular seafood spread made from cod roe.

Engineers look at Pisa's gravity-defying tower that has been tipping for 800 years; a lucky duck is unharmed while its down is used in the world's most-expensive duvets; a factory reveals the gastronomic genius behind a teatime accompaniment.

History's greatest moments are preserved for all time on skin; the fastest moving object in the world of sports takes flight; Vikings harness the explosive power of volcanoes to make gourmet salt.

The wizardry behind the push-button ballpoint pen saves millions of shirts from annoying ink stains; soldiers get their pizza fix deep behind enemy lines; a bunch of river weeds are transformed into hefty, must-have rugs.

Discoveries about interstellar space, the space between the universe's stars, reveal that it's not empty and unremarkable as previously thought, but filled with weird objects and strange phenomena that might hold the darkest secrets of the cosmos.

Black holes are not the violent monsters people think they are, and new discoveries reveal that they might have been essential to creating stars, giving light, and building the universe itself.

The world's first double-decker passenger aircraft, the Airbus A380 has a groundbreaking design.

A look at the C-130 Hercules, the most flexible airlifter in the world.

The world's largest serially manufactured cargo plane, the Antonov 124, was built to move Soviet military vehicles and equipment.

The C-5 Galaxy is the U.S. Air Force's largest and most powerful plane; follow its mission to Afghanistan.

This modified Boeing 707 is one of only two 707 tankers in the world that provide commercial air-to-air re-fueling to the American military.

Tracking down private jets for repossession; Nick's son is enlisted to help gather photo intelligence.

A debtor swipes a helicopter minutes before Ken and Danny repossess it; Mike and Valerie seize a charter jet; Kevin is swarmed by FBI agents.

The world's first double-decker passenger aircraft, the Airbus A380 has a groundbreaking design.

A look at the C-130 Hercules, the most flexible airlifter in the world.

The world's largest serially manufactured cargo plane, the Antonov 124, was built to move Soviet military vehicles and equipment.

The C-5 Galaxy is the U.S. Air Force's largest and most powerful plane; follow its mission to Afghanistan.

This modified Boeing 707 is one of only two 707 tankers in the world that provide commercial air-to-air re-fueling to the American military.

Tracking down private jets for repossession; Nick's son is enlisted to help gather photo intelligence.

A debtor swipes a helicopter minutes before Ken and Danny repossess it; Mike and Valerie seize a charter jet; Kevin is swarmed by FBI agents.

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.

Phil and Heather investigate a cryptid, the elusive Loch Ness Monster; joined by actor and monster hunter Rhys Darby, they journey deep into the Scottish wilds to explore compelling new evidence beneath Loch Ness' murky waters.

Horrified locals in southern Iowa are reporting sightings of a mysterious beast that terrorized the town of Van Meter 100 years ago; Phil and Jess are on a mission to unearth clues to what's lurking in the shadows.

Josh sends Phil and Jessica to Bangkok to search for the group behind terrifying warnings of global catastrophes and natural disasters.

Lake Superior's treacherous waters have claimed thousands of lives; after witnesses report ghostly lights and sounds, Phil and Jess dive into an investigation to uncover the truth behind alleged paranormal activity on Michigan's Shipwreck Coast.

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.

Jess and Phil dive deeper into the tragic history of Fort Morgan; haunting bell sounds beyond the Fort's walls trigger a dangerous search in the churning waters off Alabama's coast; "Kindred Spirits'" Amy Bruni and Adam Berry join the investigation.

Phil and Jess probe the science behind a strange phenomena while investigating mysterious objects flying around Mexico's tallest active volcano.

Jess and Phil venture deep into the Ozarks to investigate a mysterious predatory beast; eyewitnesses, surveillance footage and new recordings of bone-chilling howls lead the team to a shocking revelation about the legendary creature.

In the Yucatan, Phil and Jess investigate watery caverns believed to be portals to the Maya underworld; some say angry spirits are to blame for strange lights and bizarre animal behavior, but the sacred cenotes hide secrets darker than any legend.

Horrified locals in southern Iowa are reporting sightings of a mysterious beast that terrorized the town of Van Meter 100 years ago; Phil and Jess are on a mission to unearth clues to what's lurking in the shadows.

Josh sends Phil and Jessica to Bangkok to search for the group behind terrifying warnings of global catastrophes and natural disasters.

Lake Superior's treacherous waters have claimed thousands of lives; after witnesses report ghostly lights and sounds, Phil and Jess dive into an investigation to uncover the truth behind alleged paranormal activity on Michigan's Shipwreck Coast.

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.

Jess and Phil dive deeper into the tragic history of Fort Morgan; haunting bell sounds beyond the Fort's walls trigger a dangerous search in the churning waters off Alabama's coast; "Kindred Spirits'" Amy Bruni and Adam Berry join the investigation.

Phil and Jess probe the science behind a strange phenomena while investigating mysterious objects flying around Mexico's tallest active volcano.

Jess and Phil venture deep into the Ozarks to investigate a mysterious predatory beast; eyewitnesses, surveillance footage and new recordings of bone-chilling howls lead the team to a shocking revelation about the legendary creature.

In the Yucatan, Phil and Jess investigate watery caverns believed to be portals to the Maya underworld; some say angry spirits are to blame for strange lights and bizarre animal behavior, but the sacred cenotes hide secrets darker than any legend.

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.

Phil and Heather investigate a cryptid, the elusive Loch Ness Monster; joined by actor and monster hunter Rhys Darby, they journey deep into the Scottish wilds to explore compelling new evidence beneath Loch Ness' murky waters.

Just a few minutes after taking off from Bucharest, Tarom's 371 flight plunges into a field and Romanian investigators call the FBI to determine whether it was an accident or an act of murder.

After Continental Airlines Flight 1404 careens off the runway and crashes in flames, investigators are left to determine what was to blame.

While en route to Russia, Aeroflot Nord Flight 821 crashes onto the Trans-Siberian railway when on the final approach.

LaMia Flight 2933 is on its final approach when the crew suddenly declares a fuel emergency.

When United Express Flight 6291 crashes during its final approach only a mile from the runway, investigators must sift through the charred remains to find out what happened.

Chronicling an airline pilot and co-pilot's struggle to beat a storm to Little Rock, Ark., that climaxed in a crash.

The investigation of United Airlines Flight 811, which lost five rows of seats and nine passengers when the cargo door opened while in flight.

Just a few minutes after taking off from Bucharest, Tarom's 371 flight plunges into a field and Romanian investigators call the FBI to determine whether it was an accident or an act of murder.

While en route to Russia, Aeroflot Nord Flight 821 crashes onto the Trans-Siberian railway when on the final approach.

LaMia Flight 2933 is on its final approach when the crew suddenly declares a fuel emergency.

When United Express Flight 6291 crashes during its final approach only a mile from the runway, investigators must sift through the charred remains to find out what happened.

Chronicling an airline pilot and co-pilot's struggle to beat a storm to Little Rock, Ark., that climaxed in a crash.

The investigation of United Airlines Flight 811, which lost five rows of seats and nine passengers when the cargo door opened while in flight.

Discovering how office chairs, vinobrew and reconditioned sander drums are made.

Following how fireplace bellows, calissons and recreational watercraft are made.

How artist brushes, DEF tank heaters and game tables are made.

How foosball tables, Marseille soap and Laguiole pocket knives are made.

A survivalist sustains a devastating injury, then a vicious storm destroys the survivalists' food supply; both events threaten to tear apart the newly merged camp.

Risking retaliation from a leopard, two survivalists scavenge the predator's kill to provide food for the team; Matt Wright joins the other survivalists and immediately causes a confrontation within the group.

Survivalists embark on several dangerous hunts to secure protein and prepare for their arduous extraction on the horizon.

Discovering how office chairs, vinobrew and reconditioned sander drums are made.

Following how fireplace bellows, calissons and recreational watercraft are made.

How artist brushes, DEF tank heaters and game tables are made.

How foosball tables, Marseille soap and Laguiole pocket knives are made.

One camp throws itself into the lion's den to hunt for big game, while the other camp bands together for a group hunt and ends up finding a dangerous and unexpected food source.

A survivalist sustains a devastating injury, then a vicious storm destroys the survivalists' food supply; both events threaten to tear apart the newly merged camp.

Survivalists embark on several dangerous hunts to secure protein and prepare for their arduous extraction on the horizon.

Discovering how office chairs, vinobrew and reconditioned sander drums are made.

Following how fireplace bellows, calissons and recreational watercraft are made.

How artist brushes, DEF tank heaters and game tables are made.

How foosball tables, Marseille soap and Laguiole pocket knives are made.

Craftsmen reveal the three-hundred-year-old secret to hand making violins, millions of bottles of milk are delivered from farm to front door in under 48 hours and a rock born of Icelandic flame is bringing fire to homes throughout the world.

A Dutch company reveals their two-year process for building super yachts, astronauts are protected from the most-hostile environment known to man with space suits and a skilled Japanese chef creates a delicacy out of year-old, moldy fish.

Manufacturers reveal the ancient Roman technique behind one of the world's most-popular cured meats, the weird science behind the iconic signs of the London Underground and the ingenious woodwork that gives Olympic rowers a water-powered workout.

Air traffic controllers must manage a beach airport that is flooded twice a day; cutting-edge technology brings a centuries-old processed food to local delis; Bavaria's unofficial national costume helps keep ancient crafts alive.

Investigating if nature truly knows best; the world's first driving dog; a bright blue tarantula; the world's smallest horse.

Discovering how office chairs, vinobrew and reconditioned sander drums are made.

Following how fireplace bellows, calissons and recreational watercraft are made.

How artist brushes, DEF tank heaters and game tables are made.

How foosball tables, Marseille soap and Laguiole pocket knives are made.

Craftsmen reveal the three-hundred-year-old secret to hand making violins, millions of bottles of milk are delivered from farm to front door in under 48 hours and a rock born of Icelandic flame is bringing fire to homes throughout the world.

A Dutch company reveals their two-year process for building super yachts, astronauts are protected from the most-hostile environment known to man with space suits and a skilled Japanese chef creates a delicacy out of year-old, moldy fish.

Manufacturers reveal the ancient Roman technique behind one of the world's most-popular cured meats, the weird science behind the iconic signs of the London Underground and the ingenious woodwork that gives Olympic rowers a water-powered workout.

Air traffic controllers must manage a beach airport that is flooded twice a day; cutting-edge technology brings a centuries-old processed food to local delis; Bavaria's unofficial national costume helps keep ancient crafts alive.

Investigating if nature truly knows best; the world's first driving dog; a bright blue tarantula; the world's smallest horse.

How flying water bikes, paint and cinnamon cordial are made.

How berets, pastis and stationary bikes are made.

Exploring how steel bistro furniture, letterpress printing and bamboo ceramic are made.

Technological corks; zinc gutters; traditional ham; chisteras.

The weak, divided group gets a much-needed victory when the hunters score a kill; to finish the challenge, the survivalists must complete a brutal extraction across deadly killing fields of lions, crocodiles and leopards.

Twelve elite survivalists enter an unprecedented 40-day XL challenge; in the Philippines, the survivalists must survive shark-infested waters before facing a dense jungle crawling with deadly snakes and monitor lizards.

Dropped into the South China Sea, 12 elite survivalists try to survive 40 days on land and sea; nearby, two all-star survivalists enter the same challenge looking to survive not just 40 days but an unprecedented 60 days.

Exploring how steel bistro furniture, letterpress printing and bamboo ceramic are made.

Technological corks; zinc gutters; traditional ham; chisteras.

Twelve elite survivalists enter an unprecedented 40-day XL challenge; in the Philippines, the survivalists must survive shark-infested waters before facing a dense jungle crawling with deadly snakes and monitor lizards.

Dropped into the South China Sea, 12 elite survivalists try to survive 40 days on land and sea; nearby, two all-star survivalists enter the same challenge looking to survive not just 40 days but an unprecedented 60 days.