The next generation is tireless in the hunt to secure Alaska's resources.

Alaska provides, but the next generation must be able to reap its rewards.

Alaskans must master trapping, fishing, construction and mechanical repair in order to survive.

Alaskans work hard to prepare for winter's brutally harsh elements.

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.

Chris risks his season on a new cut; Andy tries to manage the mine alone while Ed and Riley go hunting.

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.

The guys go to a 70-mile garage sale in Prince Edward Island that has plenty of treasures and junk.

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.

The clinic braces for a snowstorm as Doc races to an emergency farm call.

A muskrat attack sends a dog to the vet; Dr. Nicole has exciting news.

Spring brings a baby boom of goats, reindeer, and puppies to the clinic.

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.

A challenging farm call turns into an emergency for one of the team.

A muskrat attack sends a dog to the vet; Dr. Nicole has exciting news.

The Docs at Critter Fixer attempt to remove an egg from a cockatiel.

Dr. Oakley herds a group of unruly reindeer and treats a mini ram with a limp.

A muskrat attack sends a dog to the vet; Dr. Nicole has exciting news.

The Docs at Critter Fixer attempt to remove an egg from a cockatiel.

Dr. Oakley herds a group of unruly reindeer and treats a mini ram with a limp.

The clinic braces for a snowstorm as Doc races to an emergency farm call.

A muskrat attack sends a dog to the vet; Dr. Nicole has exciting news.

Spring brings a baby boom of goats, reindeer, and puppies to the clinic.

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

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.

Desperate, Big Al pushes Hiro to his limit; Chris looks to salvage his season; PJ and Andy's camp experiences a mini revolt.

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.

After stopping in Peggy's Cove, the guys bet to see who will find the ultimate East Coast prize.

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.

Albert Lin heads deep into the Mexican jungle to find a lost Mayan city.

Albert Lin travels to the deserts of Sudan to search for a forgotten kingdom.

A look into how the T-Rex became king of the dinosaurs.

A look into how prehistoric land mammals evolved into top ocean predators.

How the giant ice age mammoth became extinct.

Taking a look at the excavations in the La Brea Tar Pits in Los Angeles and showcasing how the pits can help unravel the mystery of how the saber-toothed tiger hunted its prey.

How the Tasmanian Tiger became extinct.

Mariana reveals the most intense and unexpected moments from Trafficked.

New Orleans floods after the levees breach; residents try to evacuate, rescue efforts begin, and a chaotic atmosphere sets in.

Mariana investigates a scam that tricks seniors into becoming drug mules.

Mariana reveals the most intense and unexpected moments from Trafficked.

New Orleans floods after the levees breach; residents try to evacuate, rescue efforts begin, and a chaotic atmosphere sets in.

Mariana investigates a scam that tricks seniors into becoming drug mules.

Albert Lin heads deep into the Mexican jungle to find a lost Mayan city.

Albert Lin travels to the deserts of Sudan to search for a forgotten kingdom.

A look into how the T-Rex became king of the dinosaurs.

A look into how prehistoric land mammals evolved into top ocean predators.

The truckers in the historic four-truck convoy face fire and a thin crossing; after Art Burke's engine dies, he must travel back to Winnipeg with Alex Debogorski over a trail that destroys his truck.

The men and women who live side by side with the animals at the Toronto Zoo.

A mandrill monkey gets sick; walking with a new camel calf.

The truckers in the historic four-truck convoy face fire and a thin crossing; after Art Burke's engine dies, he must travel back to Winnipeg with Alex Debogorski over a trail that destroys his truck.

The men and women who live side by side with the animals at the Toronto Zoo.

A mandrill monkey gets sick; walking with a new camel calf.

A Chihuahuas labor stalls, and a curious cat gets hooked.

A family tradition for the generations, it's time for an incredible fair.

A new addition; Doc and Diane welcome a Friesian filly to the family.

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 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.

A new Pol family member is born.

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.

A new Pol family member is born.

A Chihuahuas labor stalls, and a curious cat gets hooked.

A family tradition for the generations, it's time for an incredible fair.

A new addition; Doc and Diane welcome a Friesian filly to the family.

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

The drivers are ready for what is forecast to be a cold and busy winter, but the tragic passing of legendary driver Darrell Ward leaves the drivers wondering who can take his place.

Keepers must contend with a crocodile while they round up turtles in the same pond; Kim tries to keep the giant pandas company.

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

The drivers are ready for what is forecast to be a cold and busy winter, but the tragic passing of legendary driver Darrell Ward leaves the drivers wondering who can take his place.

Keepers must contend with a crocodile while they round up turtles in the same pond; Kim tries to keep the giant pandas company.

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

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

A colorful collection of daredevils inspires David to take a leap of faith.

David Blaine examines fear by learning to interact with venomous creatures.

In South Africa, David explores how magic can reshape perceptions.

In Japan, David meets masters who spend a lifetime refining a single skill.

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.

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.

Genghis Khan built power by building an army and eliminating rivals; he begins conquests against the Tanguts and the Jin, expanding his empire.

When the neighboring empire attacks a Mongol caravan and Genghis Khan's envoys, he unleashes a campaign that annihilates the empire and solidifies Mongol dominance in Persia; he names his son Ogedei as his successor before his death.

Ogedei is proclaimed ruler of the Mongol Empire; he conquers Armenia, Georgia and the Jin Empire and builds the capital city of Karakorum.

Ogedei's death triggers a struggle for succession over the largest empire in the world.

Paul leaves Yunnan and moves to neighboring Sichuan province with his hiking friends.

Ogedei's death triggers a struggle for succession over the largest empire in the world.

Paul Salopek, a National Geographic explorer and Pulitzer Prize winner, navigates through the mountains of the Yunnan province in southwest China, exploring its rich biodiversity with the help of a few locals.

Paul leaves Yunnan and moves to neighboring Sichuan province with his hiking friends.

In South Africa, David explores how magic can reshape perceptions.

In Japan, David meets masters who spend a lifetime refining a single skill.

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.

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.

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 fundamental creation of the wheel helps shape the human experience, but if the wheel suddenly stopped working and society lost the greatest, game-changing accomplishments made using wheel technology, the world would be vastly different.

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

Big Al's plans are thwarted by no-show staff; PJ's wife has concerns regarding mining and their family; Ed and Riley run out of fuel.

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.

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.

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

Residents of Port Protection use both brain and brawn to survive.

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

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.