Sharks steal fish from fishing lines; Mackie learns of these cases from locals, but discovers that they indicate larger environmental problems in the Gulf of Mexico.

Experts and comics react to viral shark videos, along with pop-up facts.

In Mexico's Pacific waters, Bertie Gregory goes in search of a predator, the hammerhead shark; once abundant here, hammerhead numbers have declined enough that encounters are now rare.

Experts investigate the first shark attacks ever recorded on Bali's coast.

Every October, shark attacks in Hawaii double; what's behind sharktober?

A series of attacks rocks the South Pacific paradise of New Caledonia.

Five shark attacks in just two summers scare South Carolinians.

In the Bahamas, over 30% of dolphins have shark bite scars; using a non-toxic gel bite pad and a life-sized dolphin lure, a look at bite impressions of three species that could be predators.

Fresh pop-up facts and vivid graphics magnify a series of attacks in Australia.

An Asian woman arrives with an American man who is not her husband; CBP discover a large collection of vapes and vape oils in a traveler's luggage; an officer discovers undeclared items belonging to an American couple returning from Europe.

A traveler is suspected of smuggling cocaine; an officer questions a traveler with low funds and a lengthy travel plan; a family from Canada traveling with a puppy is barking up the wrong tree.

CBP has beef with a traveler when they discover undeclared meat in his fiancé's luggage.

In Buffalo, officers search the vehicle of an American permanent resident; CBP are perplexed by a batch of ceramic pastries.

An old map connected to testimony from an 1891 eyewitness account of Slumach's hanging sheds light on the legend.

Multiple 911 calls push Dawson City to the brink as they battle to save a family home and a historic building, while snowstorms pummel Whitehorse, causing chaos and forcing a dangerous backcountry helicopter rescue mission.

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

An Asian woman arrives with an American man who is not her husband; CBP discover a large collection of vapes and vape oils in a traveler's luggage; an officer discovers undeclared items belonging to an American couple returning from Europe.

A traveler is suspected of smuggling cocaine; an officer questions a traveler with low funds and a lengthy travel plan; a family from Canada traveling with a puppy is barking up the wrong tree.

CBP has beef with a traveler when they discover undeclared meat in his fiancé's luggage.

In Buffalo, officers search the vehicle of an American permanent resident; CBP are perplexed by a batch of ceramic pastries.

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

In Mexico's Pacific waters, Bertie Gregory goes in search of a predator, the hammerhead shark; once abundant here, hammerhead numbers have declined enough that encounters are now rare.

In 2007, Los Angeles was in shock when four shark attacks happened in just three months.

Hawaii is shaken by three bizarre shark attacks in less than five months.

Ten shark attacks leave visitors reeling off Florida's Space Coast in 2003.

Two unlucky ocean lovers encounter sharks on two different occasions.

Investigators seek the cause behind a strange surge of shark attacks in Texas.

Three brutal shark attacks in the Abaco Islands in just thirty-nine days.

Bertie Gregory decides to journey to South Africa to go swimming and diving with some great white sharks.

How the giant megalodon shark took over the oceans.

Scientists investigate the giant tiger sharks of Norfolk Island.

With bonus content, Anthony Mackie investigates sharks in Louisiana.

Bertie Gregory decides to journey to South Africa to go swimming and diving with some great white sharks.

With bonus content, Anthony Mackie investigates sharks in Louisiana.

With bonus content, Anthony Mackie investigates sharks in Louisiana.

Bertie Gregory decides to journey to South Africa to go swimming and diving with some great white sharks.

In Mexico's Pacific waters, Bertie Gregory goes in search of a predator, the hammerhead shark; once abundant here, hammerhead numbers have declined enough that encounters are now rare.

In 2007, Los Angeles was in shock when four shark attacks happened in just three months.

Hawaii is shaken by three bizarre shark attacks in less than five months.

Ten shark attacks leave visitors reeling off Florida's Space Coast in 2003.

Two unlucky ocean lovers encounter sharks on two different occasions.

Investigators seek the cause behind a strange surge of shark attacks in Texas.

Three brutal shark attacks in the Abaco Islands in just thirty-nine days.

A family risks losing their stacks of cash; officers are on high alert after an American declares he is packing heat; CBP suspect a traveler is pulling a con job with his US work visa.

A CBP canine tracks a THC-toting traveler.

A traveler isn't blowing smoke when it comes to declaring her cigarettes.

A South American surfer's vague travel plans make waves with CBP.

A recurring mine marker points the team east to neighboring Harrison Lake as leads and legend line up; clues found in a 1950s article by an investigative reporter place a lost Spanish gold mine directly on Slumach's path.

As winter tightens its icy grip, the small, isolated community of West Dawson finds itself completely cut off from emergency services; alone, Ray faces a string of dangerous solo vehicle retrieval missions on a storm-battered highway.

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

A family risks losing their stacks of cash; officers are on high alert after an American declares he is packing heat; CBP suspect a traveler is pulling a con job with his US work visa.

A CBP canine tracks a THC-toting traveler.

A traveler isn't blowing smoke when it comes to declaring her cigarettes.

A South American surfer's vague travel plans make waves with CBP.

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.

Interviews, outtakes and never-before-seen footage provide insight into the chaos and creativity behind the making of Steven Spielberg's legendary blockbuster "Jaws.".

In Mexico's Pacific waters, Bertie Gregory goes in search of a predator, the hammerhead shark; once abundant here, hammerhead numbers have declined enough that encounters are now rare.

It's a social media feeding frenzy as comedians and experts dive into the fun of the world's most viral shark videos.

Discovering the secret life of baby great whites, right off New York City.

Shark attacks in the Red Sea as part of a trend worldwide.

Whether on the hook or in utero, sharks eat their own and scientists from Australia to Florida use the latest tagging and tracking measures to understand why.

The 360 team investigates a string of shark attacks in Australia.

Diva and the 360 team investigate a series of bites by bull sharks.

Discovering the secret life of baby great whites, right off New York City.

Shark attacks in the Red Sea as part of a trend worldwide.

The 360 team investigates a string of shark attacks in Australia.

Diva and the 360 team investigate a series of bites by bull sharks.

Discovering the secret life of baby great whites, right off New York City.

Interviews, outtakes and never-before-seen footage provide insight into the chaos and creativity behind the making of Steven Spielberg's legendary blockbuster "Jaws.".

In Mexico's Pacific waters, Bertie Gregory goes in search of a predator, the hammerhead shark; once abundant here, hammerhead numbers have declined enough that encounters are now rare.

It's a social media feeding frenzy as comedians and experts dive into the fun of the world's most viral shark videos.

A CBP canine is on the hunt for concealed contraband.

Planning a surprise visit to a married man could cause one traveler to be left at the airport; shocked by an undeclared stun gun, CBP race against time to find the owner before the plane boards.

A Mexican woman's relationship patterns are causing her headaches; a man arrives from Canada who is downright radiant.

Two French festival-goers may have to say au revoir to their travel plans; at the Port Huron border, routine questions reveal a traveler has a long criminal history; in San Francisco, a traveler with boring plans comes under heavy scrutiny.

The source of Slumach's lost gold.

An avalanche risk forces a bombing mission above the Klondike Highway.

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

A CBP canine is on the hunt for concealed contraband.

Planning a surprise visit to a married man could cause one traveler to be left at the airport; shocked by an undeclared stun gun, CBP race against time to find the owner before the plane boards.

A Mexican woman's relationship patterns are causing her headaches; a man arrives from Canada who is downright radiant.

Two French festival-goers may have to say au revoir to their travel plans; at the Port Huron border, routine questions reveal a traveler has a long criminal history; in San Francisco, a traveler with boring plans comes under heavy scrutiny.

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.

Shark attacks in the Red Sea as part of a trend worldwide.

With bonus content, the 360 team investigates a shark bite in Australia.

With bonus content, experts investigate a mysterious cluster of shark bites.

In this enhanced episode, shark bites pop up in Long Island.

With bonus content, experts uncover rare winter bites in California.

Bertie Gregory decides to journey to South Africa to go swimming and diving with some great white sharks.

The 360 team investigates a string of shark attacks in Australia.

Diva and the 360 team investigate a series of bites by bull sharks.

The team uncovers dramatic shark bite changes along South Africa's coast.

The 360 team investigates shark attacks on foil boarders.

Enhanced episode; the clash between a bull shark and hammerhead launches an investigation.

Shark attacks in the Red Sea as part of a trend worldwide.

The team uncovers dramatic shark bite changes along South Africa's coast.

The 360 team investigates shark attacks on foil boarders.

Enhanced episode; the clash between a bull shark and hammerhead launches an investigation.

Shark attacks in the Red Sea as part of a trend worldwide.

With bonus content, the 360 team investigates a shark bite in Australia.

With bonus content, experts investigate a mysterious cluster of shark bites.

In this enhanced episode, shark bites pop up in Long Island.

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

It's up to Adam to push forward and guide the team through the uncharted terrain of Corbold Canyon.

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

It's up to Adam to push forward and guide the team through the uncharted terrain of Corbold Canyon.

Bertie Gregory decides to journey to South Africa to go swimming and diving with some great white sharks.

In Mexico's Pacific waters, Bertie Gregory goes in search of a predator, the hammerhead shark; once abundant here, hammerhead numbers have declined enough that encounters are now rare.

Interviews, outtakes and never-before-seen footage provide insight into the chaos and creativity behind the making of Steven Spielberg's legendary blockbuster "Jaws.".

The 360 team investigates a string of shark attacks in Australia.

Diva and the 360 team investigate a series of bites by bull sharks.

The team uncovers dramatic shark bite changes along South Africa's coast.

The 360 team investigates shark attacks on foil boarders.

With bonus content, experts study baby great white sharks near NYC.

With bonus content, experts explore a flurry of shark attacks in Australia.

With bonus content, experts investigate a shark attack on a foil boarder.

With bonus content, experts investigate a series of bites by bull sharks.

With bonus content, Anthony Mackie investigates sharks in Louisiana.

The 360 team investigates a mysterious shark attack on a 10-year-old boy.

The 360 team investigates a devastating shark bite in Australia.

With bonus content, experts uncover a change in bites along South Africa.

With bonus content, experts study baby great white sharks near NYC.

The 360 team investigates a mysterious shark attack on a 10-year-old boy.

The 360 team investigates a devastating shark bite in Australia.

With bonus content, experts uncover a change in bites along South Africa.

In Mexico's Pacific waters, Bertie Gregory goes in search of a predator, the hammerhead shark; once abundant here, hammerhead numbers have declined enough that encounters are now rare.

With bonus content, experts study baby great white sharks near NYC.

With bonus content, experts explore a flurry of shark attacks in Australia.

With bonus content, experts investigate a shark attack on a foil boarder.

Lisa Kelly and Steph Custance team up for a challenging passage on the icy terrain; Art Burke brings a split load into the north country, hoping this will be his last load of the year; Todd Dewey hauls a double oversized camp shack.

According to a 1980s author and historian, the Spanish have a long and hidden history of gold exploration in Pitt Lake, and Slumach found their cache.

Lisa Kelly and Steph Custance team up for a challenging passage on the icy terrain; Art Burke brings a split load into the north country, hoping this will be his last load of the year; Todd Dewey hauls a double oversized camp shack.

According to a 1980s author and historian, the Spanish have a long and hidden history of gold exploration in Pitt Lake, and Slumach found their cache.

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.

Shark attacks are rare along the northern California coast until seven attacks in 2020 and 2021 leave investigators racing to find a cause.

Enhanced episode; the clash between a bull shark and hammerhead launches an investigation.

Experts investigate the first shark attacks ever recorded on Bali's coast.

Every October, shark attacks in Hawaii double; what's behind sharktober?

A series of attacks rocks the South Pacific paradise of New Caledonia.

Five shark attacks in just two summers scare South Carolinians.

Whether on the hook or in utero, sharks eat their own and scientists from Australia to Florida use the latest tagging and tracking measures to understand why.

How the giant megalodon shark took over the oceans.

In Mexico's Pacific waters, Bertie Gregory goes in search of a predator, the hammerhead shark; once abundant here, hammerhead numbers have declined enough that encounters are now rare.

The 360 team investigates a string of shark attacks in Australia.

Diva and the 360 team investigate a series of bites by bull sharks.

The team uncovers dramatic shark bite changes along South Africa's coast.

The 360 team investigates shark attacks on foil boarders.

The 360 team investigates a mysterious shark attack on a 10-year-old boy.

The 360 team investigates a devastating shark bite in Australia.

A spate of shark bites hits Long Island after 40 years, and experts explore why.

A day of surfing abruptly ends when a shark bites Elinor's surfboard.

How the giant megalodon shark took over the oceans.

In Mexico's Pacific waters, Bertie Gregory goes in search of a predator, the hammerhead shark; once abundant here, hammerhead numbers have declined enough that encounters are now rare.

A spate of shark bites hits Long Island after 40 years, and experts explore why.

A day of surfing abruptly ends when a shark bites Elinor's surfboard.

How the giant megalodon shark took over the oceans.

Shark attacks are rare along the northern California coast until seven attacks in 2020 and 2021 leave investigators racing to find a cause.

Enhanced episode; the clash between a bull shark and hammerhead launches an investigation.

Experts investigate the first shark attacks ever recorded on Bali's coast.

Every October, shark attacks in Hawaii double; what's behind sharktober?

A series of attacks rocks the South Pacific paradise of New Caledonia.

Five shark attacks in just two summers scare South Carolinians.

Two travelers on a world tour are questioned about their packs, plans and partygoing; at Port Huron, a woman hoping to meet her boyfriend for the first time is scrutinized over the contents in her car.

In Boston, CPB stick their necks out to ask about a bottle of ostrich oil; in Detroit, a Canadian law student must explain why her car smells like marijuana.

A dentist from Kiev hopes for an extended stay in the U.S. after fleeing war in her home country; at the Detroit Border, a case of mistaken identity causes alarm; in Chicago, a metaphysical healer wishes a CBP officer good vibes.

A dentist from Kiev hopes for an extended stay in the U.S. after fleeing war in her home country; a traveler headed to Vegas points to a friend as the source of the extra cash he's carrying.

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.

Exploring what the world would be like if salt and all of its vital contributions, from food preservation to enabling industry, were to suddenly disappear.

Drivers head out one last time during the spring thaw; Steph Custance slides into trees; Todd Dewey struggles with a load on a twisty trail; Art Burke retrieves a heavy bulldozer; Reno Ward's truck dies on the ice; Lisa Kelly gets an emergency call.

Two travelers on a world tour are questioned about their packs, plans and partygoing; at Port Huron, a woman hoping to meet her boyfriend for the first time is scrutinized over the contents in her car.

In Boston, CPB stick their necks out to ask about a bottle of ostrich oil; in Detroit, a Canadian law student must explain why her car smells like marijuana.

A dentist from Kiev hopes for an extended stay in the U.S. after fleeing war in her home country; at the Detroit Border, a case of mistaken identity causes alarm; in Chicago, a metaphysical healer wishes a CBP officer good vibes.

A dentist from Kiev hopes for an extended stay in the U.S. after fleeing war in her home country; a traveler headed to Vegas points to a friend as the source of the extra cash he's carrying.

A window washer falls nearly 50 stories; rocks and boulders move on their own; human feet.

A suspicious speedboat immediately raises a red flag at headquarters.

The customs surveillance team carries out a special operation.

A high-speed chase tests the limits of the Coastguard's fastest boats.

The Coastguard seizes a boat carrying over 3 tons of drugs.

The Coastguard and other security teams battle enemies on all fronts.

Divers abandon their anti-drug operation to attend to a potential drowning.

The team chases a notorious drug trafficker who tries his luck again.

HSI tracks shipment of 246kg of cocaine; CBP seizes illicit ammo and cash.

Sam's desire to silence his generators ignites a fire that threatens to burn his house to the ground.

The coastguard receives a call to help people stuck on a dangerous cliff.

HSI tracks shipment of 246kg of cocaine; CBP seizes illicit ammo and cash.

Sam's desire to silence his generators ignites a fire that threatens to burn his house to the ground.

A suspicious speedboat immediately raises a red flag at headquarters.

The customs surveillance team carries out a special operation.

A high-speed chase tests the limits of the Coastguard's fastest boats.

The Coastguard seizes a boat carrying over 3 tons of drugs.

A Canadian landscaper forgets to tell CBP about his imminent flight; a trucker's day goes sideways when he makes a wrong turn and ends up at the border; at Chicago O'Hare a traveler is irate when he's taken to secondary.

A traveler with bags full of counterfeit merchandise isn't bothered by CBP's probing questions; a woman crossing the border finds herself in a salty situation; a journalist hoping to visit the US on vacation is interviewed about his work prospects.

Two women returning from a tropical vacation are questioned; at JFK cargo facility, a bounty of gold jewelry is apprehended when the manifesto seems to sell its value short; Bailey the dog has a big day.

A traveler headed to Vegas rolls the dice on getting into the US for a vacation; a family emigrating from Vietnam hope their enthusiasm translates; at JFK cargo facility, boxes of pancake mix fall flat.

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

The world is literally buzzing with insects; bees, spiders and insects of all shapes and sizes touch every aspect of life, they're the essential workers that pollinate food, clean up the dead and are an integral part of the ecosystem.

On their first runs of the new season, Lisa is forced to stop when the unrelenting road knocks her engine apart; Todd attempts an ambitious bush fix to muscle his load back onto the trailer.

A Canadian landscaper forgets to tell CBP about his imminent flight; a trucker's day goes sideways when he makes a wrong turn and ends up at the border; at Chicago O'Hare a traveler is irate when he's taken to secondary.

A traveler with bags full of counterfeit merchandise isn't bothered by CBP's probing questions; a woman crossing the border finds herself in a salty situation; a journalist hoping to visit the US on vacation is interviewed about his work prospects.

Two women returning from a tropical vacation are questioned; at JFK cargo facility, a bounty of gold jewelry is apprehended when the manifesto seems to sell its value short; Bailey the dog has a big day.

A traveler headed to Vegas rolls the dice on getting into the US for a vacation; a family emigrating from Vietnam hope their enthusiasm translates; at JFK cargo facility, boxes of pancake mix fall flat.

A dogfight between alien aircraft and the U.S. Air Force; world's loudest sounds; a fishing trawler.

Qantas Flight 32 suffers an uncontained failure in one of its engines. The failure is the first of its kind for the Airbus A380, the world's largest passenger airliner.

Experts analyze the British Airways Flight 38 incident, in which a lack of engine power caused the plane to crash just before landing at London Heathrow Airport.

Lion Air Flight 610 was just 13 minutes into flight from Jakarta, Indonesia, when it plunges into the sea on October 29, 2018.

The 1985 Japan Airlines Boeing 747 crash is the deadliest single-aircraft accident in history, with 520 fatalities out of 524 people on board.

Curious minds discover how the British Midland Flight 92 crashes on a freeway embankment near the village of Kegworth, resulting in tragedy.

Pakistan International Airlines Flight 8303 crashes near Karachi on 22 May 2020, minutes from landing. The Airbus A320 collides with a residential area during a second approach, just miles from the runway.

Experts shed light on the United Airlines Flight 232 crash as survivors share their firsthand accounts.

The installation of the new railway bridge attracts a lot of attention.

US Airways Flight 1549 takes off from New York City's LaGuardia Airport when it collides with a flock of birds, destroying both engines.

Experts shed light on the United Airlines Flight 232 crash as survivors share their firsthand accounts.

The installation of the new railway bridge attracts a lot of attention.

US Airways Flight 1549 takes off from New York City's LaGuardia Airport when it collides with a flock of birds, destroying both engines.

Qantas Flight 32 suffers an uncontained failure in one of its engines. The failure is the first of its kind for the Airbus A380, the world's largest passenger airliner.

Experts analyze the British Airways Flight 38 incident, in which a lack of engine power caused the plane to crash just before landing at London Heathrow Airport.

Lion Air Flight 610 was just 13 minutes into flight from Jakarta, Indonesia, when it plunges into the sea on October 29, 2018.

The 1985 Japan Airlines Boeing 747 crash is the deadliest single-aircraft accident in history, with 520 fatalities out of 524 people on board.

A man from Mexico is questioned when it is indicated his vacation plans may include a work component; at JFK cargo facility a shipment of live moth pupas is put under the microscope; in San Francisco, an angry traveler points a finger at CBP.

A couple and their girlfriend, with a loaded weapon on board, reach the border by mistake; in San Francisco, a man wandering aimlessly around the airport after his flight arrives is questioned about the contents of his luggage.

Officers question a man from Texas who arrives with his hunting equipment.

A Dutch woman with a lot of luggage claims she's on a four-day holiday; a Chinese parcel contains a shocking surprise; actor Corey Feldman shows up.

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

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

Lisa's truck loses all heat as temperatures plummet toward -40, forcing her to seek help from Scooter; when the two competitive drivers meet for the first time, they make a bet that changes the course of the season.

A man from Mexico is questioned when it is indicated his vacation plans may include a work component; at JFK cargo facility a shipment of live moth pupas is put under the microscope; in San Francisco, an angry traveler points a finger at CBP.

A couple and their girlfriend, with a loaded weapon on board, reach the border by mistake; in San Francisco, a man wandering aimlessly around the airport after his flight arrives is questioned about the contents of his luggage.

Officers question a man from Texas who arrives with his hunting equipment.

A Dutch woman with a lot of luggage claims she's on a four-day holiday; a Chinese parcel contains a shocking surprise; actor Corey Feldman shows up.

Sea lions disappear days before an earthquake; a mysterious medieval manuscript.

Racing to a rescue, rookie Terje runs into trouble when he crashes Thord's tow-truck; Thord risks it all to rescue a garbage truck.

When a truck crashes into a snowbank in the mountains, Thord and rookie Terje must put their lives at risk to save its valuable cargo.

Severe winter weather brings chaos to the mountains and Thord's running out of options; Bjorn does Thord a big favor, leaves his territory and takes a ferry to the coast to rescue a snowplow.

Jo Roger and Ole Henrik struggle to rescue a trailer load of salt that threatens to pollute Norway's biggest salmon river.

A lorry hits a safety net and overturns, so Thord and Bjørn have to work into the small hours to rescue the load of fresh salmon; in the north, Jo Roger has to rescue a lorry stuck in the snow.

Bjørn and Thord work together to rescue a truck heavily loaded with steel; in the north, Jo Roger tries to salvage a new harvester, but he gets angry when the impatient driver delays the rescue, putting the crew in danger.

When a runaway trailer threatens a main road, Thord risks getting crushed to complete a difficult rescue.

Tim Shaw and Fuzz Townshend undertake dramatic automobile interventions across the U.K.

On a steep hillside, Bjoern risks everything to rescue a tractor that threatens to fall; Thord gets stuck in the mud after a truck sinks deep in a farmers' field; when his tow-truck can't get a grip, he must think on his feet.

When a runaway trailer threatens a main road, Thord risks getting crushed to complete a difficult rescue.

Tim Shaw and Fuzz Townshend undertake dramatic automobile interventions across the U.K.

On a steep hillside, Bjoern risks everything to rescue a tractor that threatens to fall; Thord gets stuck in the mud after a truck sinks deep in a farmers' field; when his tow-truck can't get a grip, he must think on his feet.

Racing to a rescue, rookie Terje runs into trouble when he crashes Thord's tow-truck; Thord risks it all to rescue a garbage truck.

When a truck crashes into a snowbank in the mountains, Thord and rookie Terje must put their lives at risk to save its valuable cargo.

Severe winter weather brings chaos to the mountains and Thord's running out of options; Bjorn does Thord a big favor, leaves his territory and takes a ferry to the coast to rescue a snowplow.

Jo Roger and Ole Henrik struggle to rescue a trailer load of salt that threatens to pollute Norway's biggest salmon river.

An angry businessman hides the real reason for his hostility; officers try to process some unusual Mexican migrants.

Officers drill an American oil worker with a shady past; a British traveler's proposed reunion with a girlfriend could be cut short.

A sloshed snowboarder causes trouble at the airport; a pair of packages add up to a deadly surprise.

A bad-tempered drill worker returning home from Japan goes one step too far with officers; a Californian woman hides something in her child's stroller.

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

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.

Todd returns to face an old nemesis that once defeated him and destroyed his truck, Asheweig Road; Lisa tackles the longest run of the season so far, but disaster strikes when a fire breaks out beneath her truck.

An angry businessman hides the real reason for his hostility; officers try to process some unusual Mexican migrants.

Officers drill an American oil worker with a shady past; a British traveler's proposed reunion with a girlfriend could be cut short.

A sloshed snowboarder causes trouble at the airport; a pair of packages add up to a deadly surprise.

A bad-tempered drill worker returning home from Japan goes one step too far with officers; a Californian woman hides something in her child's stroller.

A surfer is saved by dolphins; pets identify people about to die; a teen lifts a car.

Cesar helps an excited pit bull and matches a family with their forever dog.

Cesar works with a confused Goldendoodle and a fearful pet parent.

Cesar's rehab of two violent dogs threatening to kill each other continues.

Cesar finds a perfect dog for a single mom and helps a biting mini pinscher.

Cesar rehabs an overprotective Great Dane mix.

A Chihuahua poses a threat to a pet mom's romantic life.

Jolo the rescued manatee battles a potentially deadly parasitic infection that puts her release into jeopardy; a cheetah has tummy trouble; Kianga the elephant throws a temper tantrum.

Various individuals discover the most unusual and unruly behaviors of fauna from Australia and New Zealand.

Cesar finds a dog to help a woman heal; he helps a territorial Maltipom.

Jolo the rescued manatee battles a potentially deadly parasitic infection that puts her release into jeopardy; a cheetah has tummy trouble; Kianga the elephant throws a temper tantrum.

Various individuals discover the most unusual and unruly behaviors of fauna from Australia and New Zealand.

Cesar finds a dog to help a woman heal; he helps a territorial Maltipom.

Cesar helps an excited pit bull and matches a family with their forever dog.

Cesar works with a confused Goldendoodle and a fearful pet parent.

Cesar's rehab of two violent dogs threatening to kill each other continues.

Cesar finds a perfect dog for a single mom and helps a biting mini pinscher.

A Korean bride-to-be tries to enter Canada as a tourist; the Marine Enforcement Team tackles a massive Japanese freighter carrying an illegal passenger.

Officers suspect an IT consultant has arrived for more than just a holiday; a surfer returns from Southeast Asia with a strange souvenir.

The Inland Enforcement Team track down an alleged German sex offender; a detector dog sniffs out trouble in an unclaimed suitcase from Dubai.

A Canadian wanted in Alberta is stopped en route to Ecuador; a parcel of baby food contains surprising ingredients.

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

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

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.

A Korean bride-to-be tries to enter Canada as a tourist; the Marine Enforcement Team tackles a massive Japanese freighter carrying an illegal passenger.

Officers suspect an IT consultant has arrived for more than just a holiday; a surfer returns from Southeast Asia with a strange souvenir.

The Inland Enforcement Team track down an alleged German sex offender; a detector dog sniffs out trouble in an unclaimed suitcase from Dubai.

A Canadian wanted in Alberta is stopped en route to Ecuador; a parcel of baby food contains surprising ingredients.

Rocks and boulders in Death Valley; a light show on Brown Mountain; runners in northern Mexico.

The Allies head into enemy territory after capturing the beaches of Northern France; they embark on a two-month march to liberate Paris.

September 1944: Thousands of troops drop from the skies over the Netherlands, as the Allies launch the largest airborne assault in history.

From the audacious beach landings at Salerno to the mountaintop stand-off at Monte Cassino, the Allies battle to liberate Italy from the Nazis.

From the first shots fired to the horrors of Auschwitz, the battle to free Poland from the grip of the Nazis is one of the toughest of the war.

The new Nazi battleship Bismarck sets out to destroy Allied convoys in the Atlantic; it is up to the Royal Navy to stop it in its tracks.

Just weeks before the war ends, USS Indianapolis is violently sunk; hundreds of men are lost at sea as they fight off exposure and shark attacks; it is the worst disaster at sea in U.S. Naval history.