National Geographic (Canada)

Just weeks before the war ends, USS Indianapolis is violently sunk; hundreds of men are lost at sea as they fight off exposure and shark attacks; it is the worst disaster at sea in U.S. Naval history.

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.

Will Smith heads to the South Pole to meet remote scientists.

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.

Darrell continues to teach Reno how to drive the ice roads; bad wiring could sink Alex's cement load; Lisa and Todd run into a road block.

When a bear charges a group of remote researchers, a Conservation Officer deals with the potentially life-threatening situation, and Ray takes on a challenging recovery that bested two tow companies before him.

Darrell continues to teach Reno how to drive the ice roads; bad wiring could sink Alex's cement load; Lisa and Todd run into a road block.

When a bear charges a group of remote researchers, a Conservation Officer deals with the potentially life-threatening situation, and Ray takes on a challenging recovery that bested two tow companies before him.

Cesar rehabs two destructive Boston terriers and a senior husky that is taking a big social step.

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.

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.

The team investigates a shark bite in Australia.

Diva uncovers a cluster of shark bites which happened across the world, all within a few days of each other; the team get to work scouring the world for clues to uncover the reasons that connect them.

A cattle dog protects her fearful owner, and a family finds a perfect pal.

The team investigates a shark bite in Australia.

Diva uncovers a cluster of shark bites which happened across the world, all within a few days of each other; the team get to work scouring the world for clues to uncover the reasons that connect them.

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.

Polar drivers Lisa, Art and Todd start on an epic journey up the longest seasonal winter road in the world; VP stays closer to home, traveling dangerous roads in a late attempt to boost their load count.

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.

Polar drivers Lisa, Art and Todd start on an epic journey up the longest seasonal winter road in the world; VP stays closer to home, traveling dangerous roads in a late attempt to boost their load count.

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.

The final words of a lifelong gold hunter send Adam, Kru and Daryl Friesen through an icy gauntlet high above Pitt Lake.

The team examines if a glass scarab in Tutankhamun's tomb was created by forces from out of this world.

Why is one moai bearded?; are flying saucers real?; can a wooden bucket heal?

Is a bog body a murder?; can physics find illness?; who is on an Egyptian bust?

A rock solves murders?; metal ears repel aircraft?; the Sphinx wore a false beard?

Is the Shroud of Turin real? Are jetpacks fake? Why do ancient cups have holes?

Are zombies real?; did a device stop Armageddon?; did Shakespeare code his plays?

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

Is a crystal skull powered? Is a spiked chair torture? Is a tablet astronomical?

A robot chess player, an immortality device and a lost language, wrapped mummy?

Investigating the Vulture Stone, the Isolator helmet and a skeleton in armor.

Exploring Vietnam's mountain wildlife, from pangolins to rare primates.

Exploring Vietnam's Mekong Delta, home to macaques, turtles, and crocodiles.

Investigating the Vulture Stone, the Isolator helmet and a skeleton in armor.

Exploring Vietnam's mountain wildlife, from pangolins to rare primates.

Exploring Vietnam's Mekong Delta, home to macaques, turtles, and crocodiles.

Is a bog body a murder?; can physics find illness?; who is on an Egyptian bust?

A rock solves murders?; metal ears repel aircraft?; the Sphinx wore a false beard?

Is the Shroud of Turin real? Are jetpacks fake? Why do ancient cups have holes?

Are zombies real?; did a device stop Armageddon?; did Shakespeare code his plays?

Human bones are found inside luggage; a pair fails to declare thousands of dollars in jewelry; a mysterious powder is masked by beauty products.

A traveler is caught with injections; officers smoke out marijuana residue; a mom may end up in jail due to a wrong turn.

A one-way ticket raises red flags; a traveler is caught with undeclared meat; officers find a loaded gun and live crab.

Officers find white powder in tea sacks; pills marked ICE are frozen; some furry foreigners arrive to spread good will.

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.

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.

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

Human bones are found inside luggage; a pair fails to declare thousands of dollars in jewelry; a mysterious powder is masked by beauty products.

A traveler is caught with injections; officers smoke out marijuana residue; a mom may end up in jail due to a wrong turn.

A one-way ticket raises red flags; a traveler is caught with undeclared meat; officers find a loaded gun and live crab.

Officers find white powder in tea sacks; pills marked ICE are frozen; some furry foreigners arrive to spread good will.

In Port Protection, tools aren't always used for what they're intended.

Curly helps battle a group of deadly trees on his neighbor's property.

In Port Protection, good friends equal survival, as one hand helps another.

Sam and Squibb attempt to salvage an unwieldy boat mast.

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.

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

With the help of Troy and Sarah, Squibb tackles a ticking time bomb that threatens to kill all life in the Bay.

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

Border Patrol finds a smuggling tunnel; CBP seizes silver bars and coke.

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

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

Border Patrol finds a smuggling tunnel; CBP seizes silver bars and coke.