National Geographic Canada

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

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

In Costa Rica, Dr. Oakley handles a pair of jaguars and a sloth in heat.

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.

In Costa Rica, Dr. Oakley handles a pair of jaguars and a sloth in heat.

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 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.

Art Burke attempts to keep his rig above ground on a melting ice crossing; polar driver Alex Debogorski battles his way up a mud covered mountain.

Snow leopard comes from Halifax; an elk has a broken leg.

Training a camel for riders; the health center nurtures a baby gorilla.

The baby gorilla goes back to holding; Zoofari debut; released fruit bat.

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Snow leopard comes from Halifax; an elk has a broken leg.

Training a camel for riders; the health center nurtures a baby gorilla.

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

Simon, Sioux and Mbali face a global snake crisis; as cities continue to grow and temperatures rise, thousands of snakes are on the move in a desperate search for food, water and shelter, which has led to a spike in snakebites.

In the height of black mamba season, the team splits up to deal with all the calls; Sioux and Mbali face a feisty black mamba while Simon wrestles an enormous specimen solo.

Simon and Sioux help rescue some of the world's deadliest snakes; a giant rat snake causes chaos at a kid's summer camp; a woman gets a surprise visit from a cobra in the toilet; the team come face to face with a King cobra for the first time.

Simon and Sioux join local snake catchers to capture and remove snakes sheltering people's homes and places of work; along the way, they face off with India's most dangerous snakes, including a giant King Cobra.

Snake Shyam needs help rescuing a deadly Russell's viper from a motorbike; a King cobra in search of a mate comes too close to the village and needs to be relocated; a spectacled cobra has to be dug out from a burrow in someone's back yard.

Si and Sioux help Shyam rescue a very elusive 'Houdini-snake'; Mbali goes solo with a black mamba in a courthouse, while Si and Sioux tackle a grumpy krait on the night-shift; Simon tails his first wild king cobra.

Finland's impressive defence in the Second World War and the nuclear age.

How Britain defended itself from invasion for nearly a thousand years.

The story of Poland's survival, against all the odds.

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

As the tsunami hits Thailand, tourists and locals fight for survival.

Ten of history's worst maritime disasters at sea.

The crew of a Metal Shark investigates a tip about the possible dealing of laughing gas on a party boat; an abandoned dinghy with possible human remains is located.

As the tsunami hits Thailand, tourists and locals fight for survival.

Ten of history's worst maritime disasters at sea.

Simon, Sioux and Mbali face a global snake crisis; as cities continue to grow and temperatures rise, thousands of snakes are on the move in a desperate search for food, water and shelter, which has led to a spike in snakebites.

In the height of black mamba season, the team splits up to deal with all the calls; Sioux and Mbali face a feisty black mamba while Simon wrestles an enormous specimen solo.

Simon and Sioux help rescue some of the world's deadliest snakes; a giant rat snake causes chaos at a kid's summer camp; a woman gets a surprise visit from a cobra in the toilet; the team come face to face with a King cobra for the first time.

Simon and Sioux join local snake catchers to capture and remove snakes sheltering people's homes and places of work; along the way, they face off with India's most dangerous snakes, including a giant King Cobra.

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

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

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

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

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.

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

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.

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

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

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

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

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.

A dangerous rescue takes place on Curacao's highest mountain.

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

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

A dangerous rescue takes place on Curacao's highest mountain.

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

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.

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

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

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

A 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.

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.

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

Ancient athletes kick a severed head; floating human sacrifices; channeling the dead using crystal skulls; arrogance dooms a city; powerful peasant dress.

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

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

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

A 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.

Three real-world disasters dissected; in space, in a hotel, on a bridge.

Three real-world disasters forensically dissected: Deepwater Horizon explosion, the Concorde crash, the funicular fire at Kaprun.

Three real disasters dissected; a high-rise, a submarine and a subway station.

Three real disasters analyzed: a nuclear plant, a tunnel and a department store.

Three real world disasters dissected; in space, on a train, in a high-rise.

Three real world disasters dissected; nuclear missile, ferry, oil rig.

Three real-world disasters forensically dissected: Lac-Mégantic train crash, Imperial Sugar refinery explosion, Ever Given container ship accident.

Arctic survival forces adaptation on the lives of Alaskans.

Towers, bridges, cranes: ranking history's 10 most dramatic collapses.

Ten of history's worst maritime disasters at sea.

Arctic survival forces adaptation on the lives of Alaskans.

Towers, bridges, cranes: ranking history's 10 most dramatic collapses.

Ten of history's worst maritime disasters at sea.

Three real-world disasters dissected; in space, in a hotel, on a bridge.

Three real-world disasters forensically dissected: Deepwater Horizon explosion, the Concorde crash, the funicular fire at Kaprun.

Three real disasters dissected; a high-rise, a submarine and a subway station.