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

A documentary-style look into the personal lives of the country vets.

Dr. Pol welcomes a new vet, Dr. Olivia, to the clinic.

The staffers become the clients when several of their pets fall ill.

The clinic works together to create an extra special surprise for Diane.

The Pols need to fix the sheep hut before winter arrives.

Everything feels connected as the vets see patterns emerge in their cases.

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.

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.

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.

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.

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.

A look at some of the extraordinary events of the Second World War from a brand-new perspective.

In 1942, Hitler wants revenge for the relentless bombing of German cities; in a secret research facility, his scientists are developing the world's first cruise and ballistic missiles.

In 1945, Stalin wages a war of annihilation against Nazi Germany; over one million Soviet soldiers charge towards Berlin; the Red Army must defeat several German strongholds in a series of battles.

By 1943 Hitler's marauding armies have steamrollered across mainland Europe; the allies can't compete on the battlefield, so the commanders plan an audacious attack on the booming industry, which is producing German tanks, submarines and aircraft.

December 1944 - Hitler launches an all-out assault on the Western front across Belgium and Luxembourg; vastly outnumbered allied platoons face off against entire German battalions in a series of David Vs Goliath attacks.

In May 1940, 400,000 Allied troops are surrounded by Hitler's army on the beaches of Dunkirk; deep in the tunnels under Dover Castle, the Royal Navy plans a rescue mission; success or failure could decide the outcome of the war.

Reconstructing the WWII battle in the skies over Britain, the hunt for the deadly Nazi U-boats, the parachute drop at Arnhem, the Allies' bloody struggle through Normandy, the showdown at the Italian Abbey of Montecassino, and the fight for Poland.

The longest campaign of the war pits the deadly stealth of the Nazi U-boats against the code-breaking genius and long-range bombers of the Allies.

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.

Chris has done everything possible to delay the aging process. Now he's facing his most extreme and emotional challenge. He's testing the theory that the best way to combat aging and fear of mortality might not be to fight it but accept it.

Psychologist Modupe Akinola challenges Chris to stay calm during a terrifying walk along a crane that's projecting from a skyscraper. Chris learns powerful techniques to control stress in his life and combat the risk it poses to long-term health.

Psychologist Modupe Akinola challenges Chris to stay calm during a terrifying walk along a crane that's projecting from a skyscraper. Chris learns powerful techniques to control stress in his life and combat the risk it poses to long-term health.

A look at some of the extraordinary events of the Second World War from a brand-new perspective.

In 1942, Hitler wants revenge for the relentless bombing of German cities; in a secret research facility, his scientists are developing the world's first cruise and ballistic missiles.

In 1945, Stalin wages a war of annihilation against Nazi Germany; over one million Soviet soldiers charge towards Berlin; the Red Army must defeat several German strongholds in a series of battles.

By 1943 Hitler's marauding armies have steamrollered across mainland Europe; the allies can't compete on the battlefield, so the commanders plan an audacious attack on the booming industry, which is producing German tanks, submarines and aircraft.

December 1944 - Hitler launches an all-out assault on the Western front across Belgium and Luxembourg; vastly outnumbered allied platoons face off against entire German battalions in a series of David Vs Goliath attacks.

In May 1940, 400,000 Allied troops are surrounded by Hitler's army on the beaches of Dunkirk; deep in the tunnels under Dover Castle, the Royal Navy plans a rescue mission; success or failure could decide the outcome of the war.

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.

The pickers make a friendly bet to find the greatest piece of kitsch in Newfoundland.

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.

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

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.

HSI chase down a drug smuggler during a cocaine transfer at a parking lot; CBP discovers gold coins and ancient artifacts in mail parcels.

CBP finds $200k of weed in luggage; HSI disrupts a Colombian counterfeit ring.

Features HSI running multiple undercover drug deals; CBP discovers coke hidden in oatmeal.

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

Homeland Security Investigations Miami uncovers a mysterious new drug; CBP discovers invasive African snails in mail.

CBP uncovers smuggled human remains; Border Patrol stops migrant smugglers.

CBP Dulles finds outbound drugs; Border Patrol tracks human smugglers.

Hoping to add a new weapon to his fishing arsenal, Oliver hits the water with Carl, Matt and a new set of slinky pots, and they're in for a shock.

CBP seizes suitcases of drugs bound for the UK and looted ancient statues.

Curly Leach spends some final moments with a very dear old friend, leaving Port Protection for an easier life back on the grid.

Hoping to add a new weapon to his fishing arsenal, Oliver hits the water with Carl, Matt and a new set of slinky pots, and they're in for a shock.

In this enhanced episode, CBP stops suitcases full of marijuana.

Curly Leach spends some final moments with a very dear old friend, leaving Port Protection for an easier life back on the grid.

HSI chase down a drug smuggler during a cocaine transfer at a parking lot; CBP discovers gold coins and ancient artifacts in mail parcels.

CBP finds $200k of weed in luggage; HSI disrupts a Colombian counterfeit ring.

Features HSI running multiple undercover drug deals; CBP discovers coke hidden in oatmeal.

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

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; Baily the dog has a big day.

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

Scott and Sheldon travel to southern British Columbia, where a hot tip leads to the mother lode.

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.

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.

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; Baily the dog has a big day.

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

Mariana explores the growing influence of Mexican cartels in the U.S.

Mariana heads to a Southeast Asian hotbed of scamming, where criminal organizations are holding thousands of hostages and forcing them to scam.

Mariana investigates the mysterious next wave of America's opioid crisis.

Mariana travels to Vietnam to investigate reports that young women are being trafficked into China to be sold as unwilling brides.

Mariana investigates the explosive world of armored car heists.

Mariana investigates the growing influence of heavily armed militias.

Mariana investigates the dirty business of bogus addiction treatment.

Mariana investigates a wave of anti-LGBTQ+ violence and uncovers a well-funded global network pushing an anti-gay agenda around the world.

On King's Day, it is all hands-on deck for the staff at Amsterdam Central Station; while Menno and Carolien resuscitate a girl, the rest of the team tries to control the chaos at the station.

Mariana investigates the deadly world of illegal street racing.

Mariana investigates a wave of anti-LGBTQ+ violence and uncovers a well-funded global network pushing an anti-gay agenda around the world.

On King's Day, it is all hands-on deck for the staff at Amsterdam Central Station; while Menno and Carolien resuscitate a girl, the rest of the team tries to control the chaos at the station.

Mariana investigates the deadly world of illegal street racing.

Mariana explores the growing influence of Mexican cartels in the U.S.

Mariana heads to a Southeast Asian hotbed of scamming, where criminal organizations are holding thousands of hostages and forcing them to scam.

Mariana investigates the mysterious next wave of America's opioid crisis.

Mariana travels to Vietnam to investigate reports that young women are being trafficked into China to be sold as unwilling brides.

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.

Scott and Sheldon uncover a silver saddle and cedar-stripped canoes in southern British Columbia.

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.

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.

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.

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

The next generation must adapt to the ever-changing demands spring brings.

The next generation explores new territories to claim their fall harvest.

As winter draws near, the needs to hunt, harvest and build are top priorities.

Alaskans must heed Mother Nature's messages or face the consequences.

As fall wanes, Alaskans must do what it takes to prepare for winter.

Alaska's Next Generation faces unpredictable dangers in the wild to ensure their safety, livelihoods, and survival in the deadly cold.

As deep winter sets in, rural Alaskans must use their knowledge of the land to get what they need in order to survive.

Lost and Found agents return a pair of Shriners fezzes, a designer watch worth $12,000 and a bride's pearl necklace to their owners.

Thord and Bjoern join forces when a truck threatens to tip down a hill.

As deep winter sets in, rural Alaskans must use their knowledge of the land to get what they need in order to survive.

Lost and Found agents return a pair of Shriners fezzes, a designer watch worth $12,000 and a bride's pearl necklace to their owners.

Thord and Bjoern join forces when a truck threatens to tip down a hill.

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

The next generation must adapt to the ever-changing demands spring brings.

The next generation explores new territories to claim their fall harvest.

As winter draws near, the needs to hunt, harvest and build are top priorities.

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.

While looking for antiques in Quebec's horse country, the Pickers make a large offer on two of the best pieces they have ever seen.

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.

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

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.

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.

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

An elephant faces a fear; a monkey family has a baby; vultures make a nest.

Bertie searches the islands of Indonesia for an elusive devil ray.

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

Shedding light on the world's largest Komodo dragon on Rinca Island; with rising global temperatures and intense competition for survival, the Komodo dragon must remain active to survive.

Bertie searches the islands of Indonesia for an elusive devil ray.

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

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.

Scott and Sheldon uncover nine bar tables reportedly from the tavern owned by NHL star Henri Richard.

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.

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

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.

Archaeologists explore life and death in Ancient Egypt's metropolis, Alexandria.

Archaeologists explore hidden tombs and find spectacular mummies.

Enslaved warrior Spartacus rises as a gladiator to lead a revolt against Rome.

Spiculus, Nero's champion gladiator, rises to fame amid Roman combat games.

Marcus Attilius, citizen-turned-gladiator, fights for survival in Pompeii.

Beast hunter Carpophorus rises in Rome's Colosseum, but at a brutal cost.

Rome watches in horror as Commodus, mad with power, becomes a gladiator.

Gladiator Flamma rises from Syrian soldier to arena legend in Sicily.

Can a holey bone rewrite evolution? A shoe beat a casino? A sapphire be cursed?

Jeff tends to a community garden and climbs some of the tallest trees on the planet.

Wildlife activist Louise Remedios attempts to catch an Indian krait, a venomous snake known for its unpredictable nature and sharp intelligence, all by herself.

Gladiator Flamma rises from Syrian soldier to arena legend in Sicily.

Can a holey bone rewrite evolution? A shoe beat a casino? A sapphire be cursed?

Jeff tends to a community garden and climbs some of the tallest trees on the planet.

Wildlife activist Louise Remedios attempts to catch an Indian krait, a venomous snake known for its unpredictable nature and sharp intelligence, all by herself.

Archaeologists explore life and death in Ancient Egypt's metropolis, Alexandria.

Archaeologists explore hidden tombs and find spectacular mummies.

Enslaved warrior Spartacus rises as a gladiator to lead a revolt against Rome.

Spiculus, Nero's champion gladiator, rises to fame amid Roman combat games.

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.

The Pickers hunt for deals in Niagara Falls.

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.

The Pickers hunt for deals in Niagara Falls.

Dr. Oakley competes in a rodeo and treats a dog with persistent nosebleeds.

Dr. Oakley treats a sheep with a large growth and the eye of a tiny owl.

Dr. Oakley treats a pair of neglected dogs, and Willow rescues feral cats.

Dr. Oakley lassos a calf, shears an overgrown sheep and treats a dog with an eye injury.

Dr. Oakley treats an emaciated chicken and a dog with a lacerated paw.

Dr. Oakley treats a cherished breeding bull and a cat with a worrying lump.

Dr. Oakley vaccinates a jet-setting chihuahua, tries to outsmart a shifty coyote and meets a cow with an unusual growth.

Dr. Oakley treats a baby elk with a limp, performs a dental on a musk ox and gives a roadside pedicure to a pig.

Dr. Oakley transports baby bison to their new home and treats a pair of therapy reindeer that help a veteran with PTSD.

Dr. Oakley treats a pair of debilitated chickens and a Highland cow that loves to give hugs; a reindeer farm hopes to turn its luck around.

Ahead of Sierra's departure for vet school, the team treats an emu, a dog with a bulging eye and a reindeer with a cracked antler.

Dr. Oakley treats a cat that swallowed a string and a pregnant reindeer with cancer.

Dr. Oakley faces a toxic emergency and removes the eye of an alpaca.

Ahead of Sierra's departure for vet school, the team treats an emu, a dog with a bulging eye and a reindeer with a cracked antler.

Dr. Oakley treats a cat that swallowed a string and a pregnant reindeer with cancer.

Dr. Oakley faces a toxic emergency and removes the eye of an alpaca.

Dr. Oakley lassos a calf, shears an overgrown sheep and treats a dog with an eye injury.

Dr. Oakley treats an emaciated chicken and a dog with a lacerated paw.

Dr. Oakley treats a cherished breeding bull and a cat with a worrying lump.

Dr. Oakley vaccinates a jet-setting chihuahua, tries to outsmart a shifty coyote and meets a cow with an unusual growth.

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.

The season's best items are auctioned off; the Pickers meet aviator "Buffalo" Joe McBryan from the television show "Ice Pilots NWT.".

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.

The season's best items are auctioned off; the Pickers meet aviator "Buffalo" Joe McBryan from the television show "Ice Pilots NWT.".

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

Awkwafina lost her mother at a young age; eager to help her reconnect with her South Korean culinary and ancestral heritage, Antoni curates a voyage of discovery filled with new experiences, family revelations, and evocative flavors.

Antoni helps Florence explore the origins of her family's passion for food as they travel through Oxford, the Yorkshire coast and London; they encounter dishes and discover stories of ancestors.

On the hunt for the origins of the Marsden family's beloved chicken fried steak, Antoni takes James from the Texas plains to Germany; they discover just how much the experiences of his German forebears have shaped James' family history.

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.

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.

Antoni takes Henry to Borneo, where they unearth family stories and taste their way to a deeper connection with Henry's mother's Iban heritage; Henry learns that genealogy in this oral tradition is about far more than storytelling.

Stanley Tucci revels in the culinary artistry of the picturesque region of Tuscany; the spirit of creativity is alive in the birthplace of the Renaissance.

Stanley explores the revolutionary spirit of Italy's industrial heartland, where the cuisine and ingredients are unique and innovative.

Stanley delves into the identity of Italy's northernmost region, where many speak German as well as Italian, and the cuisine reflects both cultures.

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.

Chris Hemsworth turns the spotlight away from himself and toward his father, Craig, who was diagnosed with Alzheimer's; Chris designs a road trip back in time, revisiting key places from their past to explore the science of social connection.

Chris has always worked to keep his body healthy; now it's time to start looking after his brain. Neurologist Dr. Sharon Sha challenges him to go off-grid into the wilderness without a GPS or map. The hike stirs up Chris' most precious memories.

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.

Chris Hemsworth turns the spotlight away from himself and toward his father, Craig, who was diagnosed with Alzheimer's; Chris designs a road trip back in time, revisiting key places from their past to explore the science of social connection.

Chris has always worked to keep his body healthy; now it's time to start looking after his brain. Neurologist Dr. Sharon Sha challenges him to go off-grid into the wilderness without a GPS or map. The hike stirs up Chris' most precious memories.

On the hunt for the origins of the Marsden family's beloved chicken fried steak, Antoni takes James from the Texas plains to Germany; they discover just how much the experiences of his German forebears have shaped James' family history.

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.

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.

Antoni takes Henry to Borneo, where they unearth family stories and taste their way to a deeper connection with Henry's mother's Iban heritage; Henry learns that genealogy in this oral tradition is about far more than storytelling.

A Russian dissident's complicated past raises questions for officers; a Korean tourist's resume and school diplomas raise eyebrows.

The Inland Enforcement Unit tracks a pair of Honduran drug runners; an American tourist seems to have already put down roots in Canada.

Trouble looms for a young Asian woman carrying someone else's bag, and a pair of Canadians return from a concert in California with more than a T-shirt.

A street performer is caught in the middle of an escape act; a cheeky bus passenger answers questions about his mischievous past.

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.

Adam, Kru and Tony follow the path of a failed 1982 Vancouver news team led by a Slumach gold hunter and mystic dowser.

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.

A Russian dissident's complicated past raises questions for officers; a Korean tourist's resume and school diplomas raise eyebrows.

The Inland Enforcement Unit tracks a pair of Honduran drug runners; an American tourist seems to have already put down roots in Canada.

Trouble looms for a young Asian woman carrying someone else's bag, and a pair of Canadians return from a concert in California with more than a T-shirt.

A street performer is caught in the middle of an escape act; a cheeky bus passenger answers questions about his mischievous past.

The villagers of Port Protection are back to paving with good intentions.

Curly shoots a bear; Troy and Sarah struggle with a new water system.

Residents tackle tasks at the height of summer's season of productivity.

All around Port Protection, neighbors lend each other helping hands.

Port Protection's canine community takes center stage.

Curly takes advantage of a break between storms to hunt for deer.

Curly's deer hunt comes to a thrilling end with a shot gone awry; Sam, Troy and Terry struggle with uneven ground to build Troy a bathroom.

Milestone achievements are only possible with steep challenges in Port Protection; Carl and Matt pull a 3,000-gallon barrel up a cliff.

CBP seizes fentanyl, coke and heroin; HSI Miami intercepts outbound guns.

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

Milestone achievements are only possible with steep challenges in Port Protection; Carl and Matt pull a 3,000-gallon barrel up a cliff.

In this enhanced episode, CBP seizes hidden fentanyl, cocaine and heroin.

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

The villagers of Port Protection are back to paving with good intentions.

Curly shoots a bear; Troy and Sarah struggle with a new water system.

Residents tackle tasks at the height of summer's season of productivity.

All around Port Protection, neighbors lend each other helping hands.

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.

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

After aborting his mission last season, lone wolf prospector David Muise returns undeterred and looking for a partner.

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

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.

Fresh from nine months of training at the Border Force Academy, Labrador Warner faces his first day on the job as a drug sniffer; security managers test their screening teams by trying to smuggle a fake bomb past them.

A look at Sydney Airport's never-ending maintenance; featuring the changing of a wind sock, repairing a stuck airbridge and putting out a potentially catastrophic fire.

The busy Christmas season picks up, with thousands of families going on holiday, but the airport is shut down when an unidentified white powder is discovered on board an incoming flight.

Operating under a noise curfew, Sydney Airport faces pressure to complete 900 plane movements in a day; duty manager George is confronted by a suspicious package.

Baggage manager Kevin has a rough day trouble-shooting a number of mechanical breakdowns; security screening discovers a passenger travelling with a gun.

An emergency training exercise encounters disturbance due to dangerous winds, flight board failure, and a real-life emergency of an explosion in a passenger terminal.