CBP seizes $500K worth of coke; HSI arrests an importer of illegal pills.

For those who choose to live in Port Protection, freedom comes at the cost of isolation.

CBP and HSI track 25,000 ecstasy pills bound for Philadelphia from Germany.

AMO seizes over 280 kilos of cocaine and $750,000 from smuggling vessels.

Caribbean AMO agents bust a smuggling ring and seize 1300 kilos of cocaine.

HSI arrests 37 gang members; AMO seizes $5.4 million worth of cocaine.

HSI arrests drug traffickers; AMO seizes $13.2 million of coke on a beach.

A distinctive bag has officers seeing double; a photographer misses the big picture; a heavily-modified truck causes concern.

A traveler's textbooks teach him an unexpected lesson; a tourist hits a snag instead of the slopes; officers inspect a shipment of cosmetics.

Officers add charges to a woman's lengthy rap sheet and stumble upon a hair-raising package from Malaysia.

Officers are stumped by a backpacker carrying photos of his criminal activities; an American band gets caught in a jam.

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.

The truckers race to deliver their loads while a massive storm approaches; Lisa and Art face a deadly shutdown; Darrell and Todd's feud threatens to rip team Polar apart.

PJ and Andy's investor gives them an ultimatum; Chris discovers something that could lead to a big payout; Ed and Riley's season may end early.

A distinctive bag has officers seeing double; a photographer misses the big picture; a heavily-modified truck causes concern.

A traveler's textbooks teach him an unexpected lesson; a tourist hits a snag instead of the slopes; officers inspect a shipment of cosmetics.

Officers add charges to a woman's lengthy rap sheet and stumble upon a hair-raising package from Malaysia.

Officers are stumped by a backpacker carrying photos of his criminal activities; an American band gets caught in a jam.

In 1944 the Allied invasion of Nazi-occupied Europe brings the hope of freedom and the devastation of war to the people of France.

New colourized footage and testimony reveal the true cost paid by the Allies and civilians to free Belgium and the Netherlands from Nazi occupation.

In late 1944 Hitler forces the Americans into their biggest and bloodiest battle of the war when he launches a surprise attack into liberated Belgium.

New colourized footage and testimony reveals the cost of victory, the aftermath of war and the liberation of the camps and the destruction of Germany.

Ranking history's 10 most dramatic global disasters.

Ten of history's worst maritime disasters at sea.

Explore the 10 most dramatic structural collapses in history, from bridges to buildings.

When a dam fails, catastrophe follows; history's 10 worst dam failures.

Seeking the origins of a family pasta dish, Antoni takes Justin on an Italian road trip; from chasing chickens to harvesting clams, they sample the region's finest food and uncover how Justin's Italian ancestry relates to a family dish.

Stanley discovers surprises in this wild region he has never visited before; he investigates how the rugged terrain influences the food and culture; high in sheep country, he prepares mutton on a traditional barbecue.

When a dam fails, catastrophe follows; history's 10 worst dam failures.

Seeking the origins of a family pasta dish, Antoni takes Justin on an Italian road trip; from chasing chickens to harvesting clams, they sample the region's finest food and uncover how Justin's Italian ancestry relates to a family dish.

Stanley discovers surprises in this wild region he has never visited before; he investigates how the rugged terrain influences the food and culture; high in sheep country, he prepares mutton on a traditional barbecue.

In 1944 the Allied invasion of Nazi-occupied Europe brings the hope of freedom and the devastation of war to the people of France.

New colourized footage and testimony reveal the true cost paid by the Allies and civilians to free Belgium and the Netherlands from Nazi occupation.

In late 1944 Hitler forces the Americans into their biggest and bloodiest battle of the war when he launches a surprise attack into liberated Belgium.

New colourized footage and testimony reveals the cost of victory, the aftermath of war and the liberation of the camps and the destruction of Germany.

Staff confront an American soldier running scared; a British woman causes confusion with her bag of tricks.

Hidden compartments in a traveler's backpack raise red flags; the discovery of a deadly weapon leaves mail center workers stunned.

Officers look for a message in a bottle; a lack of papers land a group of LA rappers in the doghouse; a young man receives a wake-up call.

An accidental detour leads two Canadians to a dead-end; an ornate frame holds more than just a picture; a man is suspected of money laundering.

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.

A storm delivers deadly driving conditions as the truckers struggle to deliver their loads.

Al faces breakdowns that threaten his profit; desperate, PJ and Andy start a night shift; Ed and Riley make a final effort to prove themselves.

Staff confront an American soldier running scared; a British woman causes confusion with her bag of tricks.

Hidden compartments in a traveler's backpack raise red flags; the discovery of a deadly weapon leaves mail center workers stunned.

Officers look for a message in a bottle; a lack of papers land a group of LA rappers in the doghouse; a young man receives a wake-up call.

An accidental detour leads two Canadians to a dead-end; an ornate frame holds more than just a picture; a man is suspected of money laundering.

The team is in the crystal-clear waters of Bimini in the Bahamas to witness the incredible journey of the great hammerhead shark; as the team follows the shark's migration, they discover the secrets of how these animals navigate the vast ocean.

The team travels to the Dominican Republic in the Caribbean to reveal the greatest secrets in the lives of the North Atlantic humpback whale; they witness a mother defend her calf in the ultimate ocean battle with a pack of orcas.

The team is in the Azores to tag the sixgill shark and learn more about its nightly patterns hunting for food in the abyss; the team tags and retrieves valuable data, uncovering why this shark undertakes its epic journey from the depths at night.

In the Azores, the team follows the elusive sperm whales to their hunting grounds a mile beneath the surface, where they discover the secret lives of these deep-diving whales.

Learning how a population of bowhead whales, once hunted almost to extinction, is faring today; the team is the first to observe the feeding strategies of the deep-sea Greenland shark, an animal that can live for more than 400 years.

The team's mission is to figure out if Svalbard's polar bears are adapting to their environment; they face this giant of the Arctic Ocean and scale a glacier to learn how much time is left for one of the most critical habitats for polar bears.

Alaskans engineer inventive solutions for survival in the harsh elements.

The source of Slumach's lost gold.

An investigation identifies an American who has become a powerful recruiter for a terrorist group.

For those who choose to live in Port Protection, freedom comes at the cost of isolation.

National Geographic explorer and writer Paul Salopek traces the ancient Min River in Sichuan province with his local walking partners, including Chinese historian Professor Luo Xing.

An investigation identifies an American who has become a powerful recruiter for a terrorist group.

National Geographic explorer and writer Paul Salopek traces the ancient Min River in Sichuan province with his local walking partners, including Chinese historian Professor Luo Xing.

The team is in the crystal-clear waters of Bimini in the Bahamas to witness the incredible journey of the great hammerhead shark; as the team follows the shark's migration, they discover the secrets of how these animals navigate the vast ocean.

The team travels to the Dominican Republic in the Caribbean to reveal the greatest secrets in the lives of the North Atlantic humpback whale; they witness a mother defend her calf in the ultimate ocean battle with a pack of orcas.

The team is in the Azores to tag the sixgill shark and learn more about its nightly patterns hunting for food in the abyss; the team tags and retrieves valuable data, uncovering why this shark undertakes its epic journey from the depths at night.

In the Azores, the team follows the elusive sperm whales to their hunting grounds a mile beneath the surface, where they discover the secret lives of these deep-diving whales.

An American traveler has trouble recalling his hazy past; bad decisions may keep a rugby player off the pitch; a bag is found in a restricted area.

A traveler's belongings raise repeated alarms; a man's reasons for studying in Canada may not be academic; an American couple make the move to Alaska.

A currency dog sniffs out thousands in undeclared cash; an aspiring actor can't keep track of the plot; officers arrest a wanted burglar.

An American's trip to Alaska heads south; officers suspect a convicted drug dealer is taking his business north; a ship containing weapons is searched.

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

Darrell and Todd try to get through record breaking snowfall, while the rest of the team fights to survive; despite frigid temperatures the war between VP Express and Polar reaches a boiling point.

Big Al gets off to a great start as the gold mining season begins, while Bernie struggles with a rookie crew and Ken suffers mechanical difficulties.

An American traveler has trouble recalling his hazy past; bad decisions may keep a rugby player off the pitch; a bag is found in a restricted area.

A traveler's belongings raise repeated alarms; a man's reasons for studying in Canada may not be academic; an American couple make the move to Alaska.

A currency dog sniffs out thousands in undeclared cash; an aspiring actor can't keep track of the plot; officers arrest a wanted burglar.

An American's trip to Alaska heads south; officers suspect a convicted drug dealer is taking his business north; a ship containing weapons is searched.

Cesar rehabs an overprotective Great Dane mix.

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

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

Cesar rehabs two aggressive German Shepherds, and one very loud Min Pin Mix.

Cesar helps a rottweiler on house arrest and a Pom Terrier to socialize.

A cattle dog protects her fearful owner, and a family finds a perfect pal.

Cesar rehabs a boxer with an aggressive obsession with attacking handbags.

Dr. Pol and Charles cook up a special treat for Mother's Day.

The Docs at Critter Fixer return to FVSU as Homecoming Grand Marshals.

Dr. Oakley treats an electrocuted sloth and releases rescued animals back into the wild.

Dr. Pol and Charles cook up a special treat for Mother's Day.

The Docs at Critter Fixer return to FVSU as Homecoming Grand Marshals.

Dr. Oakley treats an electrocuted sloth and releases rescued animals back into the wild.

Cesar rehabs an overprotective Great Dane mix.

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

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

Cesar rehabs two aggressive German Shepherds, and one very loud Min Pin Mix.

Officers stop a father and son packing loads of ammo, but can't find the gun. Meanwhile, the Vessel Search Unit find a suspect sailor on a US tug.

A young man's lies could keep him from his fiancee, while the discovery of a gold bar and lots of cash spell trouble for another traveller.

Suspicions about a convicted smuggler uncover a scam; questions are raised when officers stumble upon a suitcase full of meat.

Some engineering students carry out an unusual experiment; officers find a construction worker's story has no foundations.

Massive and sophisticated contributions from Korea have shaped our modern world, from ancient advances like the greenhouse and armoured boats to modern screen technology, online gaming, E-sports and K-Pop.

The truckers battle a massive storm.

Ken's gold camp is threatened by a flooding river; Karl falls far behind his rivals; Big Al's machines break down as he hunts "smart" gold.

Officers stop a father and son packing loads of ammo, but can't find the gun. Meanwhile, the Vessel Search Unit find a suspect sailor on a US tug.

A young man's lies could keep him from his fiancee, while the discovery of a gold bar and lots of cash spell trouble for another traveller.

Suspicions about a convicted smuggler uncover a scam; questions are raised when officers stumble upon a suitcase full of meat.

Some engineering students carry out an unusual experiment; officers find a construction worker's story has no foundations.

Francis Drake is cemented in history as the world's most controversial pirate.

Grace O'Malley defies gender conventions of her day and becomes the most feared and respected leader of both the land and the sea, eventually rising to Chieftain.

Englishman-turned-Algerian pirate John Ward becomes ruler of the Tunisian empire.

Brilliant strategist Morgan takes humans, treasure, and towns without mercy.

Captain Kidd, the treasure hunter, turns from pirate hunter to pirate.

Blackbeard's name strikes fear into all as a brutal diabolical pirate.

Braver than the men, Anne Bonny and Mary Read are ferocious female pirates.

Eager to prove herself, Breanna splits from Oliver in search of deer; Terry helps Troy and Sarah while Squibb attacks Veronica's parking problem.

Rescues persist as thousands are trapped at home, with others ushered to the Superdome; stories of resilience emerge amid media focus on violence.

With big plans for the future, Oliver sets out to bring home some massive cedar trees that will help him turn his float house home into a kingdom.

Eager to prove herself, Breanna splits from Oliver in search of deer; Terry helps Troy and Sarah while Squibb attacks Veronica's parking problem.

Rescues persist as thousands are trapped at home, with others ushered to the Superdome; stories of resilience emerge amid media focus on violence.

With big plans for the future, Oliver sets out to bring home some massive cedar trees that will help him turn his float house home into a kingdom.

Francis Drake is cemented in history as the world's most controversial pirate.

Grace O'Malley defies gender conventions of her day and becomes the most feared and respected leader of both the land and the sea, eventually rising to Chieftain.

Englishman-turned-Algerian pirate John Ward becomes ruler of the Tunisian empire.

Brilliant strategist Morgan takes humans, treasure, and towns without mercy.

Hugh has a plan to crush the competition; Todd and Lisa are pressured to up their game.

Zoo vet tries to delay the transfer of Simon the tamandua to his new home; two koalas prepare for their move from San Diego to Toronto.

Warthog mom is anything but friendly to her four tiny newborns.

Hugh has a plan to crush the competition; Todd and Lisa are pressured to up their game.

Zoo vet tries to delay the transfer of Simon the tamandua to his new home; two koalas prepare for their move from San Diego to Toronto.

Warthog mom is anything but friendly to her four tiny newborns.

The docs at Critter Fixer help a greyhound suffering from seizures and a kitten in need.

The docs at Critter Fixer see an axolotl and try to recover stones in a dog.

The Docs at Critter Fixer take on a cattle auction and help a pup in need.

The Docs at Critter Fixer treat a host of canine companions needing help.

The docs wrangle some lively sugar gliders, treat a dog and help a horse.

The doctors at "Critter Fixer" see a prized show rabbit and help out a coyote.

The doctors' toughest surgery yet.

The doctors help Dr. Hodges and his French bulldog, Ghost.

The doctors at "Critter Fixer" work nose-to-toes on a variety of animals.

The doctors see something they've never encountered before.

The doctors at "Critter Fixer" help a first-time dog owner with newborn puppies.

The doctors are honored as Grand Marshals of the Macon Cherry Blossom parade.

The docs lean on their vet techs to save a beloved sick chicken, help a giant schnauzer, and acclimate some wild bass to a new home.

The doctors at "Critter Fixer" help a first-time dog owner with newborn puppies.

The doctors are honored as Grand Marshals of the Macon Cherry Blossom parade.

The docs lean on their vet techs to save a beloved sick chicken, help a giant schnauzer, and acclimate some wild bass to a new home.

The docs at Critter Fixer help a greyhound suffering from seizures and a kitten in need.

The docs at Critter Fixer see an axolotl and try to recover stones in a dog.

The Docs at Critter Fixer take on a cattle auction and help a pup in need.

The Docs at Critter Fixer treat a host of canine companions needing help.

With temperatures on the rise, conditions on the ice roads result in meltdown. The truckers from Polar and VP Express are pushed to the limit, crossing thin ice on their way to deliver critical loads.

Carefully catching and holding a dozen muscular kangaroos.

Orangutans get new play toys; a dwarf crocodile is ailing.

With temperatures on the rise, conditions on the ice roads result in meltdown. The truckers from Polar and VP Express are pushed to the limit, crossing thin ice on their way to deliver critical loads.

Carefully catching and holding a dozen muscular kangaroos.

Orangutans get new play toys; a dwarf crocodile is ailing.

Lisa and Todd take on one of the toughest runs of the season; Darrell steals business from his former boss; Alex's trucking season is threatened by a crash.

Tim and Fuzz are out to help Darren, who was left disabled after a tragic road accident in which he saved his grandson, by fixing up his iconic 1989 Golf.

Fuzz Townshend and Tim Shaw restore a "Triumph TR7," one of the most divisive British sports cars ever made.

Tim and Fuzz are in unknown territory as they take on 28-year-old Charlie's Lexus IS200 and transform it into a full-blown drift car.

A Datsun Skyline is the next restoration project for Tim and Fuzz; a Japanese classic from the 1970's, it is going to be no easy task, as there are only two others on the road in the UK.

The most-famous witch trials of them all: Salem, Massachusetts.

The brutal Trier witch trials and the origins of witch-hunting.

The true story of the first major witch trials in Scotland.

Witch-hunters torture so-called witches during England's Civil War.

Swedish children tell stories of a place witches took them to.

A terrifying tale of demonic possession in a witch trial in Ireland.

A unique look into the mission and inner workings of Greenpeace through its legal campaigns, top-level scientific work and lobbying, and follows the work of activists and campaigners in their mission to save the planet.

The octopus is like an alien on Earth but with shapeshifting superpowers.

A terrifying tale of demonic possession in a witch trial in Ireland.

A unique look into the mission and inner workings of Greenpeace through its legal campaigns, top-level scientific work and lobbying, and follows the work of activists and campaigners in their mission to save the planet.

The octopus is like an alien on Earth but with shapeshifting superpowers.

Tim and Fuzz are in unknown territory as they take on 28-year-old Charlie's Lexus IS200 and transform it into a full-blown drift car.

A Datsun Skyline is the next restoration project for Tim and Fuzz; a Japanese classic from the 1970's, it is going to be no easy task, as there are only two others on the road in the UK.

The most-famous witch trials of them all: Salem, Massachusetts.

The brutal Trier witch trials and the origins of witch-hunting.

A jewelry box contains something valuable; a biking teen hits a roadblock; a Thai sailor may be land-locked over computer content; a vagabond musician must prove his worth.

The X-ray machine isn't fooled by aluminum foil wrapping; a truck full of plastic seems like it may have been tampered with.

A British traveler hopes to turn their back on their failed marriage; officers do a close inspection of a car that may contain drugs.

A foreign student's possessions are full of surprises; an X-ray machine finds a strange shape inside of a container.

The guys come across an old Victorian home while freestyling in Nova Scotia.

The re-creation of a Bugatti proves to be a nightmare; a wrench is thrown into the delivery of a 1963 classic.

Mexico's gifts to the world include the tomato, the avocado, tacos, tequila, Frida Kahlo, Oscar-winning directors, Mexican wrestling, Latino pop music, silver, rubber, and Mayan astronomy.

A jewelry box contains something valuable; a biking teen hits a roadblock; a Thai sailor may be land-locked over computer content; a vagabond musician must prove his worth.

The X-ray machine isn't fooled by aluminum foil wrapping; a truck full of plastic seems like it may have been tampered with.

A British traveler hopes to turn their back on their failed marriage; officers do a close inspection of a car that may contain drugs.

A foreign student's possessions are full of surprises; an X-ray machine finds a strange shape inside of a container.

CBP finds 100 kilos of coke in a banana shipment bound for a Philly bodega.

CBP detains a man suspected of swallowing drugs; AMO agents find $51 million of coke.

LA HSI executes undercover drug buys; CBP intercepts Coyotes at the border.

SD HSI follows a loaded car; CBP and HSI test out a drug detection device.

Customs and Border Protection finds $1 million of cocaine in a cargo truck; Homeland Security Investigations cracks down on a date rape drug.

An HSI stakeout leads to nearly $500,000 of meth and fentanyl in San Diego; CBP finds concealed cash and a carload of cocaine at the El Paso border.

PR AMO team hunts down boat loaded with $41 million of coke; CBP gets a tip about money smugglers and finds cocaine and people inside car trunks.

HSI performs an undercover drug sting; CBP finds cocaine in Rio Grande Valley.

The residents of Port Protection build a life-changing tool.

CBP's K9 sniffs out hidden cash; HSI intercepts a $2 million drug deal.

HSI performs an undercover drug sting; CBP finds cocaine in Rio Grande Valley.

The residents of Port Protection build a life-changing tool.

CBP's K9 sniffs out hidden cash; HSI intercepts a $2 million drug deal.

CBP finds 100 kilos of coke in a banana shipment bound for a Philly bodega.

CBP detains a man suspected of swallowing drugs; AMO agents find $51 million of coke.

LA HSI executes undercover drug buys; CBP intercepts Coyotes at the border.

SD HSI follows a loaded car; CBP and HSI test out a drug detection device.

A tattoo artist brings the tools of his trade on his vacation; homemade treats conceal a deadly surprise.

A traveler swallows an unknown substance; a Thai vacation guide offers more than holiday advice; a car dealer takes a long road to the truth; hard iced tea and a passenger bring attention to a trucker.

A driver under the influence risks ending the family vacation; a trip behind the wheel of a borrowed truck raises suspicions.

An untruthful traveler is missing two bags; a favor may land an American in hot water; mail center officers uncover a narcotic scheme; a traveler's visa is revealing; a student learns a lesson; a producer's luggage could be showstopper.

A collector welcomes the guys into his home, garage and bar in Hudson, Quebec.

Cartoon car called Mr. Beep rolls in on life support; Jay burns out on the Bugatti; exploding engines hinder Mustang deadline.

From early exploration to cutting-edge technologies, Sweden has helped define the modern world through innovations from Viking ship design, IT, dynamite, Nobel prizes, and the music of ABBA.

A tattoo artist brings the tools of his trade on his vacation; homemade treats conceal a deadly surprise.

A traveler swallows an unknown substance; a Thai vacation guide offers more than holiday advice; a car dealer takes a long road to the truth; hard iced tea and a passenger bring attention to a trucker.

A driver under the influence risks ending the family vacation; a trip behind the wheel of a borrowed truck raises suspicions.

An untruthful traveler is missing two bags; a favor may land an American in hot water; mail center officers uncover a narcotic scheme; a traveler's visa is revealing; a student learns a lesson; a producer's luggage could be showstopper.

An aerial tour of the Mediterranean reveals a lonely lighthouse and Christmas celebrations in Malta.

A birds-eye view of the Canaries and Balearic Islands of Spain showcasing marine mammals and unique vineyards; a gothic Cathedral welcomes a rare light phenomenon.

This aerial tour of the Islands of Great Britain reveals a picturesque beach airport.

An aerial journey across the Benelux region reveals the world's biggest storm barrier, one of Europe's busiest ports and a mesmerizing giant flower carpet.

An aerial view over the Alps region reveals a solar panel engineering feat, a hot air balloon festival and a flight alongside the Northern Bald Ibis.

An aerial journey over the Nordic region reveals the world's longest continuous staircase.

An aerial tour of the Mediterranean reveals a lonely lighthouse and Christmas celebrations in Malta.

A birds-eye view of the Canaries and Balearic Islands of Spain showcasing marine mammals and unique vineyards; a gothic Cathedral welcomes a rare light phenomenon.

Antoni takes Issa to her father's homeland of Senegal, where they uncover ancestral stories of powerful women and royal connections; through this journey, Issa learns more about her family's epic history and how it all relates to her own identity.

Stanley ventures beyond Rome to explore its less visited countryside.

A birds-eye view of the Canaries and Balearic Islands of Spain showcasing marine mammals and unique vineyards; a gothic Cathedral welcomes a rare light phenomenon.

Antoni takes Issa to her father's homeland of Senegal, where they uncover ancestral stories of powerful women and royal connections; through this journey, Issa learns more about her family's epic history and how it all relates to her own identity.

Stanley ventures beyond Rome to explore its less visited countryside.

An aerial tour of the Mediterranean reveals a lonely lighthouse and Christmas celebrations in Malta.

A birds-eye view of the Canaries and Balearic Islands of Spain showcasing marine mammals and unique vineyards; a gothic Cathedral welcomes a rare light phenomenon.

This aerial tour of the Islands of Great Britain reveals a picturesque beach airport.

An aerial journey across the Benelux region reveals the world's biggest storm barrier, one of Europe's busiest ports and a mesmerizing giant flower carpet.

A pleasant American jumps the gun when he decides to go on a quick day-trip; a cheerful traveller's trip is in the bag; a baggage search turns cheesy; a traveller's odd luggage needs to go through the proper channels.

Two long boarders can't skate over their border exam; A traveler's phony story is exposed; a sailor's got more than pennies in his pockets; a rocker's lifestyle drums up some crucial questions.

Honesty is the best policy, even for ex-cons; A student gets the dish on declaring items properly.

Airport officers let the khat out of the bag; A repeat offender must prove he's learned his lesson.

The guys stop at an amateur historian's home in Quebec's Eastern townships.

Paul has passport problems after David invites him to an elite-car auction in the United States; a 1959 Cadillac has more problems than expected.

Dutch inventions and innovators have changed the world, from artists like Rembrandt and Van Gogh to Anne Frank, the first stock exchange, telescopes, submarines, windmills, flowers and gin.

A pleasant American jumps the gun when he decides to go on a quick day-trip; a cheerful traveller's trip is in the bag; a baggage search turns cheesy; a traveller's odd luggage needs to go through the proper channels.

Two long boarders can't skate over their border exam; A traveler's phony story is exposed; a sailor's got more than pennies in his pockets; a rocker's lifestyle drums up some crucial questions.

Honesty is the best policy, even for ex-cons; A student gets the dish on declaring items properly.

Airport officers let the khat out of the bag; A repeat offender must prove he's learned his lesson.

With surprises around every bend, Alaskans must be ready for anything.

Alaskans brave the deadly cold of winter to protect their way of life.

The next generation must be resourceful tackling late winter challenges.

The next generation of Alaskans risk it all to ensure their survival.

Alaskans must push their boundaries in hopes of a prosperous future.

As the seasons change, the next generation must adapt in order to survive.

As spring begins, the next generation races to finish vital tasks.

CBP in JFK and HSI in San Diego tackle fentanyl crisis on opposite coasts.

Gary Muehlberger is clamming at night and keeps a big fire going to deter the wolves from getting too close; everyone is getting ready for the harsh winter that's on the way.

Gary Muehlberger is clamming at night and keeps a big fire going to deter the wolves from getting too close; everyone is getting ready for the harsh winter that's on the way.

With surprises around every bend, Alaskans must be ready for anything.

Alaskans brave the deadly cold of winter to protect their way of life.

The next generation must be resourceful tackling late winter challenges.

The next generation of Alaskans risk it all to ensure their survival.

A traveler has suitcases full of surprises; A Canadian couple returns home with a man-eating beast; two Americans tow their friend's boat to Alaska.

The dogs are brought in to assist officers; A traveler goes gaga at Vancouver International Airport.

Officers question a nervous traveler; a trampoline installer hopes to avoid the bounce around; undeclared dogs from Hungary.

A chef with limited funds and no return ticket; serial numbers aren't piecing together in a gun shipment; a travel agent's last-minute Caribbean booking raises red flags; a boat owner fails to report to CBSA.

On the way to Winnipeg, the van needs some mechanical TLC.

Jay clashes with the new guy; a 1972 Plymouth Road Runner GTX arrives at the shop; a one-of-kind Swiss car goes up for auction.

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 traveler has suitcases full of surprises; A Canadian couple returns home with a man-eating beast; two Americans tow their friend's boat to Alaska.

The dogs are brought in to assist officers; A traveler goes gaga at Vancouver International Airport.

Officers question a nervous traveler; a trampoline installer hopes to avoid the bounce around; undeclared dogs from Hungary.

A chef with limited funds and no return ticket; serial numbers aren't piecing together in a gun shipment; a travel agent's last-minute Caribbean booking raises red flags; a boat owner fails to report to CBSA.

A blocked bearded dragon; a feisty cow to dodge; a surprise for Tater.

A puppy tornado touches down at PVS; a cute kitten is rescued.

A snake with lumps, a cat with a sky-high temperature, and a goose on the loose.

Dr. Pol has the great honor of escorting U.S. veterans to Washington.

Dr. Pol and Diane celebrate a milestone that's been decades in the making.

Dr. Pol celebrates turning 80 with a trip to the Netherlands with Diane.

The Pols welcome a fluffy addition to the family; Tater is not pleased.