National Geographic (Canada)

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.

Thord Paulsen and his colleagues must fight against snow and icy winds as they rescue cars and trucks on Norway's slippery mountain roads.

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

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.

Thord Paulsen and his colleagues must fight against snow and icy winds as they rescue cars and trucks on Norway's slippery mountain roads.

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

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

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

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.

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.

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.

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.

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

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.

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.

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.

Cesar rehabs an overexcited Australian shepherd and its emotional pet parent.

Cesar helps an aggressive beagle and a Malinois that refuse to leave home.

A pitbulls aggression is fueled by fear; a Frenchie eats everything.

Cesar helps a possessed pit mix and a miniature dachshund with a giant bark.

Cesar rehabilitates a German shepherd whose behavior is getting dangerous.

A couple with a baby seeks Cesar's help with a dog who bites and guards.

A Border Collie causes isolation and a Chihuahua bites the hand that feeds her.

Cesar rehabilitates a loud, anti-social Chihuahua and her inexperienced pet parents.

Orcas captivate with their intelligence and family structures; recent attacks on boats near Gibraltar raise questions, are they threatening us or just playing?

Cesar rehabilitates a loud, anti-social Chihuahua and her inexperienced pet parents.

Orcas captivate with their intelligence and family structures; recent attacks on boats near Gibraltar raise questions, are they threatening us or just playing?

Cesar rehabs an overexcited Australian shepherd and its emotional pet parent.

Cesar helps an aggressive beagle and a Malinois that refuse to leave home.

A pitbulls aggression is fueled by fear; a Frenchie eats everything.

Cesar helps a possessed pit mix and a miniature dachshund with a giant bark.

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.

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.

The truckers battle a massive storm.

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.

The Dawson City Fire Department struggles in the absence of their chief; Ray is stuck in deep snow on a remote backroad and Colin races against an incoming storm to keep the travelling public safe.

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.

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.

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.

Bartholomew Roberts is the most successful pirate of the Golden Age.

HSI arrests human smugglers and discovers overcrowded and rundown stash houses in New Mexico; CBP extracts meth from shipped machinery in Miami.

Carl and Morgan attempt to move a thousand-pound sawmill to their property.

Bartholomew Roberts is the most successful pirate of the Golden Age.

HSI arrests human smugglers and discovers overcrowded and rundown stash houses in New Mexico; CBP extracts meth from shipped machinery in Miami.

Carl and Morgan attempt to move a thousand-pound sawmill to their property.

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.

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

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

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

The docs at Critter Fixer help their first capybara and an alpaca farm.

The docs at Critter Fixer move quickly to save a canine bitten by a snake.

The docs at Critter Fixer take Vet for a Day to the Zoo Atlanta.

The docs at Critter Fixer help a laboring bulldog and an aquatic axolotl.

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

The docs at Critter Fixer rush to aid a big tortoise with a cracked shell.

The Docs at Critter Fixer strive to aid the animals of service members.

The docs at Critter Fixer exemplify treating both ends of the leash.

The Docs at Critter Fixer help a rescued wolf and deliver ten puppies.

The doctors at Critter Fixer attempt to outfit a duck with a prosthetic leg.

The doctors at Critter Fixer teach fish surgery at Tuskegee University.

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

The docs see a goat with severe bloating, a boa constrictor that refuses to feed, and a turtle infected with parasitic "vampire worms.".

The doctors at Critter Fixer teach fish surgery at Tuskegee University.

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