Todd hauls a massive machine as he fights his way home in a final showdown with his nemesis, the infamous Asheweig Road; Scooter calls in a local road crew after losing a battle with an angry hill on his return trip along the goat trail.

Bret and Ivy bust through sheets of lake ice to ferry critical equipment to their cabin by boat; Lauro and Virginia use the dog team to haul fresh cut timber from the forest for a log cabin build.

The extreme isolation is beginning to take its toll on the men; a survivalist undertakes a massive cabin project.

Innovations, from the light bulb to the automobile, change the world; host Peyton Manning unveils the top 10 inventions of all time, as voted on by a panel of experts.

Lauro continues his quest to complete the Iditarod through Alaska's frozen interior; Bret and Ivy pursue a bear into dangerously steep terrain.

Two entrepreneurs rise from the ashes of Prohibition by staking everything on two liquors - a bitter, bottom-shelf whisky, and a flavorless foreign moonshine - and go on to save an industry and create two of the most popular brands in the country.

Lauro continues his quest to complete the Iditarod through Alaska's frozen interior; Bret and Ivy pursue a bear into dangerously steep terrain.

Picking their way through Ontario, the guys may have hit the jackpot on a sprawling property full of outbuildings.

The guys are ready to drop big bucks on some treasures in British Columbia.

Danny and the team take on a 1967 Cadillac for a high-end client; musician Jeff Blando stops by the shop to get the finishing touch on a chopper that Danny built for him years ago; Ryan and Roli spot a Buick Skylark with a Hollywood history.

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Picking their way through Ontario, the guys may have hit the jackpot on a sprawling property full of outbuildings.

The guys are ready to drop big bucks on some treasures in British Columbia.

While salvaging an old hotel in the heart of the city, Ted pulls out all the stops to confirm his suspicion there was once a popular underground nightclub where forgotten treasures may still hide.

From G.I. Joe to the Slinky, host Peyton Manning counts down the top ten toys, as voted by a panel of experts; discussing which childhood favorite will be crowned the best of the best.

From the Roman Colosseum to Wrigley Field, host Peyton Manning counts down the top 10 stadiums as voted on by a panel of experts.

Innovations, from the light bulb to the automobile, change the world; host Peyton Manning unveils the top 10 inventions of all time, as voted on by a panel of experts.

Host Peyton Manning counts down the top 10 sports cars of all time as voted on by a panel of experts.

Peyton Manning counts down the entrepreneurs whose contributions to media, tech and finance have earned them the title Titans of Industry; from Oprah Winfrey to Jeff Bezos to JP Morgan, which titan is deemed the greatest by the panel?

From Evel Knievel to Harry Houdini, host Peyton Manning counts down the top 10 daredevils of all time, as voted on by a panel of experts.

Sometimes there are names that are almost inseparable, including Venus and Serena, Ali and Cosel, Lennon and McCartney; Peyton Manning counts down the top 10 dynamic duos of all time, as voted on by a panel of experts.

Host Peyton Manning takes viewers through the top 10 candies of all time.

From G.I. Joe to the Slinky, host Peyton Manning counts down the top ten toys, as voted by a panel of experts; discussing which childhood favorite will be crowned the best of the best.

From the Roman Colosseum to Wrigley Field, host Peyton Manning counts down the top 10 stadiums as voted on by a panel of experts.

Innovations, from the light bulb to the automobile, change the world; host Peyton Manning unveils the top 10 inventions of all time, as voted on by a panel of experts.

Host Peyton Manning counts down the top 10 sports cars of all time as voted on by a panel of experts.

Peyton Manning counts down the entrepreneurs whose contributions to media, tech and finance have earned them the title Titans of Industry; from Oprah Winfrey to Jeff Bezos to JP Morgan, which titan is deemed the greatest by the panel?

From Evel Knievel to Harry Houdini, host Peyton Manning counts down the top 10 daredevils of all time, as voted on by a panel of experts.

Sometimes there are names that are almost inseparable, including Venus and Serena, Ali and Cosel, Lennon and McCartney; Peyton Manning counts down the top 10 dynamic duos of all time, as voted on by a panel of experts.

Host Peyton Manning takes viewers through the top 10 candies of all time.

From G.I. Joe to the Slinky, host Peyton Manning counts down the top ten toys, as voted by a panel of experts; discussing which childhood favorite will be crowned the best of the best.

From the Roman Colosseum to Wrigley Field, host Peyton Manning counts down the top 10 stadiums as voted on by a panel of experts.

A man predicts a deadly plane crash before it happens; a child has a premonition of a volcanic eruption; a California man foretells major U.S. events.

Three men disappear from a yacht in Australia; people vanish from a remote Vermont mountaintop; a pilot is stalked by unidentified aircraft.

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Paid programming.

Gold, the shiny precious metal that has been cherished through all recorded time, is vital to the modern world; if gold was suddenly stripped away, the technological and cultural world would be left reeling.

A man predicts a deadly plane crash before it happens; a child has a premonition of a volcanic eruption; a California man foretells major U.S. events.

Three men disappear from a yacht in Australia; people vanish from a remote Vermont mountaintop; a pilot is stalked by unidentified aircraft.

Robin Roberts narrates this insightful documentary that explores the leadership, sacrifice and valor of the 15th National Guard, which would become a part of the 369th Infantry and one of WWI's best military regiments.

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

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

Robin Roberts narrates this insightful documentary that explores the leadership, sacrifice and valor of the 15th National Guard, which would become a part of the 369th Infantry and one of WWI's best military regiments.

Exploring the untold stories of the triumphs and challenges of Black Canadian and Caribbean soldiers who served in the Canadian Army at the height of Nazism during World War II, and the sacrifices made by Canadian soldiers of all backgrounds.

How John Lewis led the march across the Edmund Pettus Bridge on Bloody Sunday.

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

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

Exploring the untold stories of the triumphs and challenges of Black Canadian and Caribbean soldiers who served in the Canadian Army at the height of Nazism during World War II, and the sacrifices made by Canadian soldiers of all backgrounds.

How John Lewis led the march across the Edmund Pettus Bridge on Bloody Sunday.

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

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

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

Dennis' hunt for gold proves unsuccessful; Ken breaks a machine in his haste to sluice; Karl's season is threatened by floods.

Joe loses it after a screw-up; Devon's job offer; a Brit and his dog start a new life.

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

Dennis' hunt for gold proves unsuccessful; Ken breaks a machine in his haste to sluice; Karl's season is threatened by floods.

Joe loses it after a screw-up; Devon's job offer; a Brit and his dog start a new life.

Fitting into the clean-cut roles that comedians occupied in the 1950s, two up-and-coming stand-ups make names for themselves; as society shifts and counter-culture movements take hold, both men realize they need to adapt their comedy.

The top-selling candy days of the year revolve around Easter, Valentine's Day and Halloween, and it all started with a few bold pioneers.

The team follows a trail of explosive evidence connecting UFOs to the most destructive weapons in human history. A former U.S Air Force Colonel discloses an encounter on Christmas Eve 1980 at a base hiding a secret stockpile of nuclear weapons.

Andy and Paul return to Miller Ranch, site of numerous cattle mutilations and highway deaths to poke the hornet's nest at the bridge that has been dubbed The Miller Triangle by the Skinwalker team and find more evidence that the two sites are linked.

When the team deploys a cutting edge new technology on Skinwalker Ranch to study the mysterious Bubble, it leads to an unsettling revelation.

Lauro confronts -40° weather, a broken sled and exhausted dogs on the Iditarod Trail while running down the frozen Yukon River; Bret and Ivy haul beaver to finish the season; Tom and Jack carve a traditional peace pipe from rare catlinite stone.

The top-selling candy days of the year revolve around Easter, Valentine's Day and Halloween, and it all started with a few bold pioneers.

Fitting into the clean-cut roles that comedians occupied in the 1950s, two up-and-coming stand-ups make names for themselves; as society shifts and counter-culture movements take hold, both men realize they need to adapt their comedy.

The team follows a trail of explosive evidence connecting UFOs to the most destructive weapons in human history. A former U.S Air Force Colonel discloses an encounter on Christmas Eve 1980 at a base hiding a secret stockpile of nuclear weapons.

Andy and Paul return to Miller Ranch, site of numerous cattle mutilations and highway deaths to poke the hornet's nest at the bridge that has been dubbed The Miller Triangle by the Skinwalker team and find more evidence that the two sites are linked.

When the team deploys a cutting edge new technology on Skinwalker Ranch to study the mysterious Bubble, it leads to an unsettling revelation.

The team follows a trail of explosive evidence connecting UFOs to the most destructive weapons in human history. A former U.S Air Force Colonel discloses an encounter on Christmas Eve 1980 at a base hiding a secret stockpile of nuclear weapons.

Andy and Paul return to Miller Ranch, site of numerous cattle mutilations and highway deaths to poke the hornet's nest at the bridge that has been dubbed The Miller Triangle by the Skinwalker team and find more evidence that the two sites are linked.

When the team deploys a cutting edge new technology on Skinwalker Ranch to study the mysterious Bubble, it leads to an unsettling revelation.

Fitting into the clean-cut roles that comedians occupied in the 1950s, two up-and-coming stand-ups make names for themselves; as society shifts and counter-culture movements take hold, both men realize they need to adapt their comedy.

Lauro confronts -40° weather, a broken sled and exhausted dogs on the Iditarod Trail while running down the frozen Yukon River; Bret and Ivy haul beaver to finish the season; Tom and Jack carve a traditional peace pipe from rare catlinite stone.

The top-selling candy days of the year revolve around Easter, Valentine's Day and Halloween, and it all started with a few bold pioneers.

Lauro confronts -40° weather, a broken sled and exhausted dogs on the Iditarod Trail while running down the frozen Yukon River; Bret and Ivy haul beaver to finish the season; Tom and Jack carve a traditional peace pipe from rare catlinite stone.

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

Ken takes a roll in his bulldozer; beavers threaten Big Al's operation; Karl's loader springs a leak.

Joe's flight is suspended; an unexpected injury; a risky cross-Canada journey to Turkey.

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

Ken takes a roll in his bulldozer; beavers threaten Big Al's operation; Karl's loader springs a leak.

Joe's flight is suspended; an unexpected injury; a risky cross-Canada journey to Turkey.

In the 1970s, two maverick broadcasters take a different approach, challenging their bosses, the rules and polite society to help create a new genre: talk radio.

Two icons compete for America's coffee drinkers and forever change a worldwide, multi-billion-dollar industry.

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

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

Robin Roberts narrates this insightful documentary that explores the leadership, sacrifice and valor of the 15th National Guard, which would become a part of the 369th Infantry and one of WWI's best military regiments.

The great-great-granddaughter of one of Canada's first Black servicemen hunts down a missing relic; across the Prairies, a historical tailor decodes the deathbed confession of his grandfather, a World War II veteran.

Lauro nears the end of the Iditarod, crossing 260 miles of ice along the Bering Sea coast to reach the finish line in Nome, Alaska; Marty and his friend Dave haul supplies for a cabin into the backcountry; Tom and Will build an elk hide tipi.

Two icons compete for America's coffee drinkers and forever change a worldwide, multi-billion-dollar industry.

In the 1970s, two maverick broadcasters take a different approach, challenging their bosses, the rules and polite society to help create a new genre: talk radio.

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

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

Robin Roberts narrates this insightful documentary that explores the leadership, sacrifice and valor of the 15th National Guard, which would become a part of the 369th Infantry and one of WWI's best military regiments.

The great-great-granddaughter of one of Canada's first Black servicemen hunts down a missing relic; across the Prairies, a historical tailor decodes the deathbed confession of his grandfather, a World War II veteran.

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

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

Robin Roberts narrates this insightful documentary that explores the leadership, sacrifice and valor of the 15th National Guard, which would become a part of the 369th Infantry and one of WWI's best military regiments.

The great-great-granddaughter of one of Canada's first Black servicemen hunts down a missing relic; across the Prairies, a historical tailor decodes the deathbed confession of his grandfather, a World War II veteran.

In the 1970s, two maverick broadcasters take a different approach, challenging their bosses, the rules and polite society to help create a new genre: talk radio.

Lauro nears the end of the Iditarod, crossing 260 miles of ice along the Bering Sea coast to reach the finish line in Nome, Alaska; Marty and his friend Dave haul supplies for a cabin into the backcountry; Tom and Will build an elk hide tipi.

Two icons compete for America's coffee drinkers and forever change a worldwide, multi-billion-dollar industry.

Lauro nears the end of the Iditarod, crossing 260 miles of ice along the Bering Sea coast to reach the finish line in Nome, Alaska; Marty and his friend Dave haul supplies for a cabin into the backcountry; Tom and Will build an elk hide tipi.

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

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

The Turkey waterbomber crew is rattled; a North Atlantic crossing; AJ gets married.

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

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

The Turkey waterbomber crew is rattled; a North Atlantic crossing; AJ gets married.

A struggling New York actor, brushed aside, bets on himself to write, and star in a movie; by challenging the ideas of what it means to be a leading man at the time, he gives himself a fighting chance in Hollywood.

A look at some staples of Thanksgiving dinner that weren't around until a few brands used technological advances to reinvent turkey, stuffing, cranberry sauce, pumpkin pie and more; food innovators made each part of the meal accessible.

A Chilean family believes they photographed a real UFO flying over the Andes Mountains; the images of a tall, dark, hairy creature walking through the forest could be proof that Ohio's legendary Grassman exists.

In the wake of the Civil War, American settlers flood into the Great Plains, seizing Native American land as they go; but the Lakota leader, Sitting Bull, alongside Crazy Horse, organizes an unprecedented resistance movement.

Marty returns to his trap line to find it destroyed by wildfire; Mike hunts an elusive herd of Kodiak elk; Lauro and Neil Eklund journey down the Yukon River by log raft on a quest for beaver and fish.

A look at some staples of Thanksgiving dinner that weren't around until a few brands used technological advances to reinvent turkey, stuffing, cranberry sauce, pumpkin pie and more; food innovators made each part of the meal accessible.

A struggling New York actor, brushed aside, bets on himself to write, and star in a movie; by challenging the ideas of what it means to be a leading man at the time, he gives himself a fighting chance in Hollywood.

A Chilean family believes they photographed a real UFO flying over the Andes Mountains; the images of a tall, dark, hairy creature walking through the forest could be proof that Ohio's legendary Grassman exists.

In the wake of the Civil War, American settlers flood into the Great Plains, seizing Native American land as they go; but the Lakota leader, Sitting Bull, alongside Crazy Horse, organizes an unprecedented resistance movement.

A Chilean family believes they photographed a real UFO flying over the Andes Mountains; the images of a tall, dark, hairy creature walking through the forest could be proof that Ohio's legendary Grassman exists.

In the wake of the Civil War, American settlers flood into the Great Plains, seizing Native American land as they go; but the Lakota leader, Sitting Bull, alongside Crazy Horse, organizes an unprecedented resistance movement.

A struggling New York actor, brushed aside, bets on himself to write, and star in a movie; by challenging the ideas of what it means to be a leading man at the time, he gives himself a fighting chance in Hollywood.

Marty returns to his trap line to find it destroyed by wildfire; Mike hunts an elusive herd of Kodiak elk; Lauro and Neil Eklund journey down the Yukon River by log raft on a quest for beaver and fish.

A look at some staples of Thanksgiving dinner that weren't around until a few brands used technological advances to reinvent turkey, stuffing, cranberry sauce, pumpkin pie and more; food innovators made each part of the meal accessible.

Marty returns to his trap line to find it destroyed by wildfire; Mike hunts an elusive herd of Kodiak elk; Lauro and Neil Eklund journey down the Yukon River by log raft on a quest for beaver and fish.

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

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

After an engine failure, a crew navigates back to Santa Maria; searching for a new rampie.

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

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

After an engine failure, a crew navigates back to Santa Maria; searching for a new rampie.

Daytime talk shows in the 1980s is aimed at a stay-at-home female audience and has conversational topics and polite discussion; a young politician-turned-TV host rewrites the rules when an unexpected fight breaks out between his guests.

A century ago, most backyard grilling essentials were not yet invented; Henry Ford, a tinkerer named Kingsford, and a passionate butcher created recognizable summer brands and changed the face of American backyards.

Dale is rushing to bring a 90-year-old Indian motorcycle back to life to perform on the infamous traveling motorcycle stunt show, the Wall of Death; Bodie tries to transform a 1950's cola dispenser into a modernized beer keg refrigerator.

Sitting Bull and Crazy Horse face George Armstrong Custer and the Seventh Cavalry in the battle of Little Bighorn; when their triumph over the U.S. Army fails to end the war they must continue the fight to preserve the Lakota way of life.

Marty instructs his teenage daughter Noah as she pilots the bush plane; Mike hunts a herd of Kodiak bison and donates the meat to friends in town; Lauro and Neil check their traps and fishing nets on the Yukon River.

A century ago, most backyard grilling essentials were not yet invented; Henry Ford, a tinkerer named Kingsford, and a passionate butcher created recognizable summer brands and changed the face of American backyards.

Daytime talk shows in the 1980s is aimed at a stay-at-home female audience and has conversational topics and polite discussion; a young politician-turned-TV host rewrites the rules when an unexpected fight breaks out between his guests.

Dale is rushing to bring a 90-year-old Indian motorcycle back to life to perform on the infamous traveling motorcycle stunt show, the Wall of Death; Bodie tries to transform a 1950's cola dispenser into a modernized beer keg refrigerator.

Sitting Bull and Crazy Horse face George Armstrong Custer and the Seventh Cavalry in the battle of Little Bighorn; when their triumph over the U.S. Army fails to end the war they must continue the fight to preserve the Lakota way of life.

Dale is rushing to bring a 90-year-old Indian motorcycle back to life to perform on the infamous traveling motorcycle stunt show, the Wall of Death; Bodie tries to transform a 1950's cola dispenser into a modernized beer keg refrigerator.

Sitting Bull and Crazy Horse face George Armstrong Custer and the Seventh Cavalry in the battle of Little Bighorn; when their triumph over the U.S. Army fails to end the war they must continue the fight to preserve the Lakota way of life.

Daytime talk shows in the 1980s is aimed at a stay-at-home female audience and has conversational topics and polite discussion; a young politician-turned-TV host rewrites the rules when an unexpected fight breaks out between his guests.

Marty instructs his teenage daughter Noah as she pilots the bush plane; Mike hunts a herd of Kodiak bison and donates the meat to friends in town; Lauro and Neil check their traps and fishing nets on the Yukon River.

A century ago, most backyard grilling essentials were not yet invented; Henry Ford, a tinkerer named Kingsford, and a passionate butcher created recognizable summer brands and changed the face of American backyards.

Marty instructs his teenage daughter Noah as she pilots the bush plane; Mike hunts a herd of Kodiak bison and donates the meat to friends in town; Lauro and Neil check their traps and fishing nets on the Yukon River.

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

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

The crew faces the spring melt to fly mining equipment; Arnie and Justin en route to Turkey.

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

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

The crew faces the spring melt to fly mining equipment; Arnie and Justin en route to Turkey.

In 1987, a small-time drug dealer forms a hip-hop based group in his hometown of Compton, California; the group's brand of "reality rap" draws backlash; a Seattle-based rock band pioneers a new sound that channels suburban angst and disillusionment.

At a time when U.S. beer is dominated by the same lager style, one Milwaukee company experiments with something new.

Lisa, Scooter and company driver Muskie Todd team up as a three-truck convoy to take on the notorious Asheweig Road; the trio must work together to survive a looming disaster.

Lauro guides his dog team through frozen wilderness to reach Neil at a remote trapping camp. On his homestead, Mike digs a root cellar into the hillside. Ivy hunts grouse while Bret preps for the upcoming season by building and boiling his gear. Chance and Soraya begin building a log barn to shield their livestock from winter. In Montana, Jake makes a daring climb to save one of his stranded dogs.

The remaining survivalists show signs of cracking; one participant finds himself stalked by a cougar.

In the interior, Marty Meierotto puts the stalk on a group of caribou, but the hunt takes a wild turn when a family of grizzly bears comes charging toward his camp.

At a time when U.S. beer is dominated by the same lager style, one Milwaukee company experiments with something new.

In 1987, a small-time drug dealer forms a hip-hop based group in his hometown of Compton, California; the group's brand of "reality rap" draws backlash; a Seattle-based rock band pioneers a new sound that channels suburban angst and disillusionment.

Lisa, Scooter and company driver Muskie Todd team up as a three-truck convoy to take on the notorious Asheweig Road; the trio must work together to survive a looming disaster.

Lauro guides his dog team through frozen wilderness to reach Neil at a remote trapping camp. On his homestead, Mike digs a root cellar into the hillside. Ivy hunts grouse while Bret preps for the upcoming season by building and boiling his gear. Chance and Soraya begin building a log barn to shield their livestock from winter. In Montana, Jake makes a daring climb to save one of his stranded dogs.

The remaining survivalists show signs of cracking; one participant finds himself stalked by a cougar.

Lisa, Scooter and company driver Muskie Todd team up as a three-truck convoy to take on the notorious Asheweig Road; the trio must work together to survive a looming disaster.

Lauro guides his dog team through frozen wilderness to reach Neil at a remote trapping camp. On his homestead, Mike digs a root cellar into the hillside. Ivy hunts grouse while Bret preps for the upcoming season by building and boiling his gear. Chance and Soraya begin building a log barn to shield their livestock from winter. In Montana, Jake makes a daring climb to save one of his stranded dogs.

The remaining survivalists show signs of cracking; one participant finds himself stalked by a cougar.

In 1987, a small-time drug dealer forms a hip-hop based group in his hometown of Compton, California; the group's brand of "reality rap" draws backlash; a Seattle-based rock band pioneers a new sound that channels suburban angst and disillusionment.

In the interior, Marty Meierotto puts the stalk on a group of caribou, but the hunt takes a wild turn when a family of grizzly bears comes charging toward his camp.

At a time when U.S. beer is dominated by the same lager style, one Milwaukee company experiments with something new.

In the interior, Marty Meierotto puts the stalk on a group of caribou, but the hunt takes a wild turn when a family of grizzly bears comes charging toward his camp.

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

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

Danny hopes to impress with an evil twist on a classic Cadillac for a high-rolling client; Ryan discovers that smaller jobs aren't always easier as he works on a high-tech Lego car.

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

Jeff Mudgett seeks to prove his ancestor, U.S. serial killer H.H. Holmes, was also London's infamous murderer, Jack the Ripper; Mudgett teams up with ex-CIA analyst Amaryllis Fox to prove this theory, using modern science and methodologies.

While revealing the gruesome details of the murders committed in 1888 London by Jack the Ripper, Jeff and Amaryllis challenge Ripper myths in the hunt for a link to H.H. Holmes.

The Jack the Ripper letters contain an unexpected link to H.H. Holmes; Scotland Yard's list of credible suspects holds a key detail about the manhunt; eyewitness accounts reveal the face of a killer.

An investigation into the gruesome details of Holmes' infamous Murder Castle leads to the discovery that he may have been killing victims all over Chicago and beyond; a report says the Ripper may have killed in the United States.

Jeff and Amaryllis discover an unexpected connection to the Ripper in police archives while investigating the 1893 World's Fair that turned Chicago into H.H. Holme's killing ground.

H.H. Holmes goes on the run as his schemes unravel; the investigation picks up on Holmes' trail with a long-lost crime scene that could hold the key to proving he's the Ripper.

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

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

Jeff Mudgett seeks to prove his ancestor, U.S. serial killer H.H. Holmes, was also London's infamous murderer, Jack the Ripper; Mudgett teams up with ex-CIA analyst Amaryllis Fox to prove this theory, using modern science and methodologies.

While revealing the gruesome details of the murders committed in 1888 London by Jack the Ripper, Jeff and Amaryllis challenge Ripper myths in the hunt for a link to H.H. Holmes.

The Jack the Ripper letters contain an unexpected link to H.H. Holmes; Scotland Yard's list of credible suspects holds a key detail about the manhunt; eyewitness accounts reveal the face of a killer.

An investigation into the gruesome details of Holmes' infamous Murder Castle leads to the discovery that he may have been killing victims all over Chicago and beyond; a report says the Ripper may have killed in the United States.

Jeff and Amaryllis discover an unexpected connection to the Ripper in police archives while investigating the 1893 World's Fair that turned Chicago into H.H. Holme's killing ground.

H.H. Holmes goes on the run as his schemes unravel; the investigation picks up on Holmes' trail with a long-lost crime scene that could hold the key to proving he's the Ripper.

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

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

Jeff Mudgett seeks to prove his ancestor, U.S. serial killer H.H. Holmes, was also London's infamous murderer, Jack the Ripper; Mudgett teams up with ex-CIA analyst Amaryllis Fox to prove this theory, using modern science and methodologies.

While revealing the gruesome details of the murders committed in 1888 London by Jack the Ripper, Jeff and Amaryllis challenge Ripper myths in the hunt for a link to H.H. Holmes.

The Jack the Ripper letters contain an unexpected link to H.H. Holmes; Scotland Yard's list of credible suspects holds a key detail about the manhunt; eyewitness accounts reveal the face of a killer.

An investigation into the gruesome details of Holmes' infamous Murder Castle leads to the discovery that he may have been killing victims all over Chicago and beyond; a report says the Ripper may have killed in the United States.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

An accident affects the waterbomber crew in Turkey; Wilf's first run causes panic.

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

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

An accident affects the waterbomber crew in Turkey; Wilf's first run causes panic.

Examining if a video recently presented to Congress by the U.S. Navy proves once and for all that UFOs really exist; examining if the latest alleged Loch Ness monster footage is the most compelling proof of the creature's existence in years.

A cereal executive's bold idea to finance the "Willy Wonka and the Chocolate Factory" movie will kick-off a candy revolution that produces some of the most iconic, imaginative confections in history.

The investigation uncovers shocking video evidence, patterns, secret coordinates and jarring eyewitness testimony about UFOs; following a lead, the team goes to an allied European country to probe a case.

When Andy and Paul investigate the site of a controversial 1965 UFO crash in Kecksburg, PA that was covered up by government authorities, they discover an entire region of high strangeness.

As the team conducts an operation to mark the barrier of the massive Bubble anomaly, they make a series of shocking discoveries.

Marty embarks on a moose hunt, luring a bull within his sights; Mike's relentless pursuit of foxes yields a collection of prize pelts; as Bret sets his sights on trapping wolves, Ivy balances duties at the homestead.