On the cusp of winter, Indigenous peoples of Alaska work to secure food and safety for the brutal season ahead.

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

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

Alaska Natives work with family to uphold traditions of their ancestors.

Alaska Natives use long summer days for harvests and projects.

The younger generation of Alaska Natives step up to new challenges.

Alaska Natives train the next generation to provide from the land.

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.

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 Pickers hunt for deals in Niagara Falls.

One of the world's largest collections of art features galleries filled with tragedy, madness and murder.

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

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.

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 vets swing into action mending paws, jaws, and a down on his luck duck.

Dr. Nicole tends to her old, beloved beagle, and it's all hands on deck for a litter of 11 puppies.

Clinic house cat, Tater, falls ill and the team bands together to save him.

An ice storm shuts down the clinic, and newborn labs are melting hearts.

Doctors from Pol Veterinary Services rush to help a distressed cow and her calf.

The vets tackle a twisted calving, a flock of ducks and a pack of rats.

Pets in a jam with quills, fishhooks, and string go to PVS to get unstuck.

There's no time to rest with emergency calvings, rowdy pups, and ailing felines.

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

A new Pol family member is born.

There's no time to rest with emergency calvings, rowdy pups, and ailing felines.

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

A new Pol family member is born.

The vets swing into action mending paws, jaws, and a down on his luck duck.

Dr. Nicole tends to her old, beloved beagle, and it's all hands on deck for a litter of 11 puppies.

Clinic house cat, Tater, falls ill and the team bands together to save him.

An ice storm shuts down the clinic, and newborn labs are melting hearts.

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.

Officers get the dope on a traveler's rap sheet; A passenger is unsure of his luggage contents.

The Pickers find mounds of treasure and steep prices on Vancouver Island; Scott and Sheldon devise a special purchasing strategy.

African wildlife; horseshoe crab blood; a dinosaur embryo; knots in string; a comet's tail.

During a ferry ride in Vancouver, Scott and Sheldon meet an Aboriginal artist with a bag of unique carvings.

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.

Officers get the dope on a traveler's rap sheet; A passenger is unsure of his luggage contents.

Gordon embraces local ingenuity as he fishes and forages through Cuba.

Gordon battles it out at Petra to impress Jordan's royal family.

Gordon and his daughter Tilly explore centuries-old culinary traditions in Galicia, a largely overlooked but magnificent corner of Spain.

In June 2020, scientists discover Aguada Fenix, a monumental 3,000-year-old Maya structure, and uncover the secrets of this ancient monument.

New evidence unearthed in Mexico's Yucutan begins to transform long-held ideas about the growth of the Mayan civilization.

Evidence of man-made reservoirs and toxic contaminants, and clues of battles and monumental pressure paint a picture of the Maya's downfall.

While the arrival of the Spaniards in the 16th century triggered a series of wars that caused the abandonment of the great Mayan cities, there is evidence that the Mayans never disappeared and their civilization never fell.

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

Recounting the life of Chinggis Khan, beginning with the struggles of his early years, including his family's fall from power, his survival against rival tribes and his first alliances as a young warrior to rescue his kidnapped wife Borte.

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

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

Recounting the life of Chinggis Khan, beginning with the struggles of his early years, including his family's fall from power, his survival against rival tribes and his first alliances as a young warrior to rescue his kidnapped wife Borte.

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

Gordon embraces local ingenuity as he fishes and forages through Cuba.

Gordon battles it out at Petra to impress Jordan's royal family.

Gordon and his daughter Tilly explore centuries-old culinary traditions in Galicia, a largely overlooked but magnificent corner of Spain.

In June 2020, scientists discover Aguada Fenix, a monumental 3,000-year-old Maya structure, and uncover the secrets of this ancient monument.

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

Two macaques are being returned to their exhibit; rare turtle eggs; the newest baby koala must be hand fed.

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.

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

Two macaques are being returned to their exhibit; rare turtle eggs; the newest baby koala must be hand fed.

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.

The vets at Dr. K's are getting served lots of tricks during their treatments.

A variety of exotic and chaotic patients come in to the clinic.

Animal moms in need from reptiles to bunnies get a little help at Dr. K's.

Animals having an unlucky very bad day are lucky to find Dr. K's clinic.

At Dr. K's, shelled and scaly pets are just as loved as the furry ones; a large tegu lizard has trouble pooping; a pregnant pine snake may need a cesarean section; a sulcata tortoise bleeds after getting hit by a car.

Dr. Oakley runs after sheep and reunites with a dog that has developed a puzzling paw problem.

Dr. Michelle Oakley, a veterinarian in one of the most rugged environments on Earth.

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.

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 vets at Dr. K's are getting served lots of tricks during their treatments.

A variety of exotic and chaotic patients come in to the clinic.

Animal moms in need from reptiles to bunnies get a little help at Dr. K's.

Animals having an unlucky very bad day are lucky to find Dr. K's clinic.

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

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

Carefully catching and holding a dozen muscular kangaroos.

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

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

Carefully catching and holding a dozen muscular kangaroos.

British Prime Minister Winston Churchill risks his life during the Blitz; Nazis torture a housewife-spy; Saddam Hussein faces defeat; modern-day soldiers become invisible.

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.

AMO seizes over $60 million of cocaine out at sea.

AMO seizes $8 million of coke; HSI foils a port smuggling operation.

AMO discovers over 80 kilos of cocaine washed ashore in St. Thomas.

A high speed chase ending in the BVI lands AMO 1,800 kilos of coke.

The department finds boats in Puerto Rico containing 350 kg of coke and multiple guns.

A pursuit off the coast off Vieques ends by seizing 907 kg of cocaine.

Stanley delves into the complex identity of Italy's northernmost region.

Stanley explores the pioneering spirit of Italy's industrial heartland.

A pursuit off the coast off Vieques ends by seizing 907 kg of cocaine.

Stanley delves into the complex identity of Italy's northernmost region.

Stanley explores the pioneering spirit of Italy's industrial heartland.

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.

AMO seizes over $60 million of cocaine out at sea.

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 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.

The Pickers find mounds of treasure and steep prices on Vancouver Island; Scott and Sheldon devise a special purchasing strategy.

Now in a wheelchair, Big Al returns to gold mining; Bernie clashes with his son; Karl finds gold right away; Chris reunites with his partner and their kids.

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.

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 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.

HSI Miami catches a load of cocaine-filled fish; CBP San Diego fights human smuggling.

HSI busts a ketamine smuggler, while CBP uncovers ancient gold looted from Afghanistan.

AMO Puerto Rico sinks a marine smuggling op; HSI San Diego seals up a drug tunnel.

HSI busts a notorious dark web trafficker in France, while CPB finds fentanyl in Arizona.

AMO agents in Puerto Rico chase a fleeing boat carrying $2.5 million worth of cocaine.

CBP discovers abandoned fentanyl in Texas; HSI tracks an ecstasy package in Chicago.

HSI attempts a controlled delivery of meth in New York City, while CBP seizes party drugs in Florida.

CBP finds 142 kilos of coke worth over $7 million in a shipment of avocados in Florida.

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.

Whistleblower testimony reignites a decades-long fight for transparency.

CBP finds 142 kilos of coke worth over $7 million in a shipment of avocados in Florida.

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.

Whistleblower testimony reignites a decades-long fight for transparency.

HSI Miami catches a load of cocaine-filled fish; CBP San Diego fights human smuggling.

HSI busts a ketamine smuggler, while CBP uncovers ancient gold looted from Afghanistan.

AMO Puerto Rico sinks a marine smuggling op; HSI San Diego seals up a drug tunnel.

HSI busts a notorious dark web trafficker in France, while CPB finds fentanyl in Arizona.

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

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.

During a ferry ride in Vancouver, Scott and Sheldon meet an Aboriginal artist with a bag of unique carvings.

Karl finds new gold with old maps; Nika and Chris find their first gold of the season; Bernie struggles to get started.

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.

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

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.

Mariana investigates the illicit trade in human organs.

Mariana goes in search of the elusive chemists who make the world's LSD.

Mariana exposes the dangers of the growing and deadly ghost guns industry.

Mariana investigates the lucrative black market for private data.

Enhanced: Mariana follows the booming MDMA supply chain.

Mariana journeys into gangland to understand the violence plaguing LA.

Mariana investigates how illicit oil is fueling terrorist groups worldwide.

Mariana embeds with crypto scammers who show her how they make millions.

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.

Mariana embeds with crypto scammers who show her how they make millions.

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.

Mariana investigates the illicit trade in human organs.

Mariana goes in search of the elusive chemists who make the world's LSD.

Mariana exposes the dangers of the growing and deadly ghost guns industry.

Mariana investigates the lucrative black market for private data.

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.

Officers get the dope on a traveler's rap sheet; A passenger is unsure of his luggage contents.

Suspicious x-rays; an MMA fighter's story; an RV search that reveals unusual weapons; a cross-border car sale.

A businesswoman's personal items sound alarms; a cargo ship crew member who has been concealing in the ceiling; a puppeteer couple; an American seeking legal advice in Ontario.

The guys meet the Tin King of Brantford and the Prince of Puppets in Peterborough; the guys hire a new employee and put him to work on a massive public sale of collected treasures.

Big Al opens a new pit and Chris' dozer gets stuck; Karl struggles to find gold after a heavy rain; Bernie pushes his plant to its limit.

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 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.

Officers get the dope on a traveler's rap sheet; A passenger is unsure of his luggage contents.

Suspicious x-rays; an MMA fighter's story; an RV search that reveals unusual weapons; a cross-border car sale.

A businesswoman's personal items sound alarms; a cargo ship crew member who has been concealing in the ceiling; a puppeteer couple; an American seeking legal advice in Ontario.

Sometimes being a little crazy helps to overcome challenges.

Arctic survival forces adaptation on the lives of Alaskans.

Deep winter has Alaskans desperately seeking resources to survive.

Up against countless obstacles, rural Alaskans must work hard to survive.

Alaskans must overcome life-threatening obstacles to endure dark winter.

Arctic survival breeds ingenuity in the lives of Alaskans.

Determination, dedication, and grit.

As seasons change, Alaskans must be vigilant in their quest for survival.

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

Frigid temperatures wreak havoc on Dawson City, putting the fire department in danger; an avalanche shuts down the Klondike Highway and a tow operator races to find a driver who has plunged off-road and into an icy river.

As seasons change, Alaskans must be vigilant in their quest for survival.

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

Frigid temperatures wreak havoc on Dawson City, putting the fire department in danger; an avalanche shuts down the Klondike Highway and a tow operator races to find a driver who has plunged off-road and into an icy river.

Sometimes being a little crazy helps to overcome challenges.

Arctic survival forces adaptation on the lives of Alaskans.

Deep winter has Alaskans desperately seeking resources to survive.

Up against countless obstacles, rural Alaskans must work hard to survive.

Partygoers receive rave reviews at the Coutts crossing; officers delve into an international affair.

Cookies can be more trouble than treat; twins with matching beers take a wrong turn.

Officers make a stunning discovery; a tourist's papers hint at her true plans for coming to Canada.

A senior has some unfriendly gear in his RV; a Canadian returning from Panama tells all.

The Pickers encounter an obsessive collector of Coca-Cola memorabilia; examples of elegant American art glass command a high price.

Nika and Chris face breakdowns and water problems; Ken's wife wants him home for their child's birth; Bernie's son goes AWOL.

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.

Partygoers receive rave reviews at the Coutts crossing; officers delve into an international affair.

Cookies can be more trouble than treat; twins with matching beers take a wrong turn.

Officers make a stunning discovery; a tourist's papers hint at her true plans for coming to Canada.

A senior has some unfriendly gear in his RV; a Canadian returning from Panama tells all.

Dr. Pol and his team handle animal emergencies in Central Michigan.

A cow requires the doctor's assistance.

Dr. Pol needs to take blood samples from a flock of sheep to test for Ovine Progressive Pneumonia, a progressive, incurable and highly contagious disease.

Dr. Pol examines a goat that has been refusing to eat.

No matter the heat, the vets keep cool during multiple intense emergencies.

When a sick dog can barely walk, the PVS vets are on the case.

PVS is busy with a sick Shih Tzu, boisterous camels, and a hungry iguana.

From a harrowing farrowing to broken bones, the PVS vets pull off miracles.

Dan O'Neil explores the strange world of animals that stop at nothing, including leveraging other creatures, to get ahead.

These tall, bark and handsome canines have a date with Dr. Michelle Oakley.

From a harrowing farrowing to broken bones, the PVS vets pull off miracles.

Dan O'Neil explores the strange world of animals that stop at nothing, including leveraging other creatures, to get ahead.

These tall, bark and handsome canines have a date with Dr. Michelle Oakley.

Dr. Pol and his team handle animal emergencies in Central Michigan.

A cow requires the doctor's assistance.

Dr. Pol needs to take blood samples from a flock of sheep to test for Ovine Progressive Pneumonia, a progressive, incurable and highly contagious disease.

Dr. Pol examines a goat that has been refusing to eat.

An American is busted trying to catch a different kind of trip; officers help a tipsy traveler.

A heavy automobile container hints at trouble; A student's stash of food brings him discomfort.

A traveler returns with a surprise; Marine officers come upon an infested container.

A student is failing his customs exam; officers prevent an artifact from going down in history.

The Pickers visit Armstrong, Abbotsford and Mission in British Columbia as they compete to see who can obtain the most manly item; trolley ads, tin litho signs and rare gas pumps are among the unique finds.

Big Al's gamble pays off; Bernie argues with his son Justin; Ken and Guillaume sluice before Ken has to leave for his child's birth; Karl's team tries to sluice 200 ounces of gold in a week.

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.

An American is busted trying to catch a different kind of trip; officers help a tipsy traveler.

A heavy automobile container hints at trouble; A student's stash of food brings him discomfort.

A traveler returns with a surprise; Marine officers come upon an infested container.

A student is failing his customs exam; officers prevent an artifact from going down in history.

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.

CBP saves sacred African artifacts and finds a mega shipment of meth at LAX.

Temujin's powers grow as he battles with Jamuqa; he is exiled, but he returns to unify the Mongol tribes when he takes the title of Chinggis Khan.

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

CBP saves sacred African artifacts and finds a mega shipment of meth at LAX.

Temujin's powers grow as he battles with Jamuqa; he is exiled, but he returns to unify the Mongol tribes when he takes the title of Chinggis Khan.

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

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.

With the biggest storm in centuries only a few days away, the truckers race for loads; Art and Todd set out to prove themselves.

A pair of Siberian tigers are introduced to each other; an anteater is moved; Patsy the elephant needs a blood test.

The gorilla's old exhibit is torn down; the keepers hope the tigers will mate.

With the biggest storm in centuries only a few days away, the truckers race for loads; Art and Todd set out to prove themselves.

A pair of Siberian tigers are introduced to each other; an anteater is moved; Patsy the elephant needs a blood test.

The gorilla's old exhibit is torn down; the keepers hope the tigers will mate.

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 transports a bull by boat and sees chinchillas for a cuteness check.

Dr. Oakley treats a limping bison and a litter of puppies struggling to survive.

Dr. Oakley tries to outsmart a herd of bison and fights for the life of a cherished friend.

Dr. Oakley operates on an unusual mass and investigates a musk ox with a hair loss problem.

Dr. Oakley performs a checkup on two scrappy lynx, and Sierra takes charge on clinic day.

Back in the Yukon, the Oakleys help over 100 cattle and a rowdy mini mule.

Dr. Oakley treats a kitten with a bulging eye, and Sierra preg checks a miniature cow.

Dr. Oakley treats a beagle mix with a severely infected paw and rappels to an eagle's nest.