Earhart, Everest and the Lost City of Z; uncovering the causes behind the top 10 tragic expeditions in history.

Trains, planes, and ships collide; exploring ten global collisions.

Torrential rain closes two runways as an incoming flight deals with an onboard medical emergency; a fire training drill turns into a real emergency.

Sydney Airport is on high alert for the arrival of the Prime Minister of Singapore, and Duty Manager Mel's favorite pop star; security searches for a woman reported to have collapsed on the street.

An emergency training exercise encounters disturbance due to dangerous winds, flight board failure, and a real-life emergency of an explosion in a passenger terminal.

Security breaches, an air ambulance emergency, drugs found in an unattended bag and an angry passenger add up to a busy Friday for Duty Manager George.

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.

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.

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

While looking for antiques in Quebec's horse country, the Pickers make a large offer on two of the best pieces they have ever seen.

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 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.

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.

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

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.

Alaska Natives work to rebuild after an unprecedented storm surge floods and devastates coastal villages.

Unpredictable winter weather challenges food security for Alaska Natives.

Wildlife activists Benhail Antao and Louise Remedios must carefully remove a cobra from a building full of children.

Wildlife activists Benhail Antao and Louise Remedios try to deal with a snake that makes loud noises and rescue a leopard trapped in a well.

Alaska Natives work to rebuild after an unprecedented storm surge floods and devastates coastal villages.

Unpredictable winter weather challenges food security for Alaska Natives.

Wildlife activists Benhail Antao and Louise Remedios must carefully remove a cobra from a building full of children.

Wildlife activists Benhail Antao and Louise Remedios try to deal with a snake that makes loud noises and rescue a leopard trapped in a well.

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

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.

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.

A jewelry box contains something valuable; a biking teen hits a roadblock; a Thai sailor may be land-locked over computer content; a vagabond musician must prove his worth.

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.

Scott and Sheldon uncover nine bar tables reportedly from the tavern owned by NHL star Henri Richard.

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.

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.

A jewelry box contains something valuable; a biking teen hits a roadblock; a Thai sailor may be land-locked over computer content; a vagabond musician must prove his worth.

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 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.

Wolves are reintroduced to Yellowstone National Park in 1995 in a controversial experiment, and no one is capable of predicting what will happen next.

Wildlife activist Benhail Antao sets out on a dangerous mission to rescue a kite stuck in a 60-foot-tall tree.

Dr. Pol and Diane celebrate a milestone that's been decades in the making.

Wolves are reintroduced to Yellowstone National Park in 1995 in a controversial experiment, and no one is capable of predicting what will happen next.

Wildlife activist Benhail Antao sets out on a dangerous mission to rescue a kite stuck in a 60-foot-tall tree.

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 blocked bearded dragon; a feisty cow to dodge; a surprise for Tater.

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.

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.

The Pickers hunt for deals in Niagara Falls.

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.

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.

Gordon dives, hunts, forages and forges on Hawaii's Big Island.

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

Gordon uncovers treasures of land and sea on Ireland's Connemara Coast.

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.

A dog gets a hole in one, a turtle and a gator high five, and a roadrunner dances.

A beaver smells something strange, chickens run on wet concrete, and a dog steals a pacifier.

A spider hides in a shoe, a squirrel scores a touchdown, and a terrier is offended by a balloon.

A dog gets a hole in one, a turtle and a gator high five, and a roadrunner dances.

A beaver smells something strange, chickens run on wet concrete, and a dog steals a pacifier.

A spider hides in a shoe, a squirrel scores a touchdown, and a terrier is offended by a balloon.

Gordon dives, hunts, forages and forges on Hawaii's Big Island.

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

Gordon uncovers treasures of land and sea on Ireland's Connemara Coast.

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

Todd Dewey must fix his truck or find himself stranded a hundred miles from the nearest town; Alex Debogorski confronts a creek in the middle of the road; Art Burke receives bad news; Lisa Kelly battles an ice crossing unlike any she's seen.

Getting a baby gorilla to take her medicine; catching a reindeer.

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

Todd Dewey must fix his truck or find himself stranded a hundred miles from the nearest town; Alex Debogorski confronts a creek in the middle of the road; Art Burke receives bad news; Lisa Kelly battles an ice crossing unlike any she's seen.

Getting a baby gorilla to take her medicine; catching a reindeer.

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

Michelle faces off against the unforgiving Alaskan winter to help animals.

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

Dr. Michelle Oakley is knee-deep in snow and animal emergencies.

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.

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.

Michelle faces off against the unforgiving Alaskan winter to help animals.

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

Dr. Michelle Oakley is knee-deep in snow and animal emergencies.

Dr. Oakley treats a cat that swallowed a string and a pregnant reindeer with cancer.

As the end of the season nears, Mark Kohaykewych makes a deal with rivals Darrell Ward and Lisa Kelly to join forces for a four-truck convoy; Alex Debogorski must complete one of the longest trails; Art Burke's truck gives out on the ice.

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

Vaccinating wild horses for the West Nile Virus; chimps come out to play.

Two bears are trained for medical exams; a wood bison gets moved.

Paid programming.

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

Vaccinating wild horses for the West Nile Virus; chimps come out to play.

Evidence reveals who really killed Rasputin; curators hide treasures from Hitler.

Racing to a rescue, rookie Terje runs into trouble when he crashes Thord's tow-truck; Thord risks it all to rescue a garbage truck.

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

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

Jo Roger and Ole Henrik struggle to rescue a trailer load of salt that threatens to pollute Norways biggest salmon river.

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.

Bjørn and Thord work together to rescue a truck heavily loaded with steel; in the north, Jo Roger tries to salvage a new harvester, but he gets angry when the impatient driver delays the rescue, putting the crew in danger.

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

On a steep hillside, Bjoern risks everything to rescue a tractor that threatens to fall; Thord gets stuck in the mud after a truck sinks deep in a farmers' field; when his tow-truck can't get a grip, he must think on his feet.

Interviews and rare footage document the 1915 Turkish slaughter of Armenians.

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

Apoorva hides his failed MA from his mother in Bengaluru. He works odd jobs and relies on Swapna. His ability to control blinking becomes a curse when an old man says his father lives.

A navy vessel opens fire on a drug boat that won't stop; a Metal Shark crew in Aruba tries to calm down a captain's temper.

Apoorva hides his failed MA from his mother in Bengaluru. He works odd jobs and relies on Swapna. His ability to control blinking becomes a curse when an old man says his father lives.

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

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

Jo Roger and Ole Henrik struggle to rescue a trailer load of salt that threatens to pollute Norways biggest salmon river.

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.

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.

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.

The guys scramble to ready their Alpha Romeo and Delahaye for the Concours show in Pebble Beach, Calif.

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

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.

SD HSI follows a loaded car; CBP and HSI test out a drug detection device.

Customs and Border Protection finds $1 million of cocaine in a cargo truck; Homeland Security Investigations cracks down on a date rape drug.

An HSI stakeout leads to nearly $500,000 of meth and fentanyl in San Diego; CBP finds concealed cash and a carload of cocaine at the El Paso border.

PR AMO team hunts down boat loaded with $41 million of coke; CBP gets a tip about money smugglers and finds cocaine and people inside car trunks.

HSI performs an undercover drug sting; CBP finds cocaine in Rio Grande Valley.

CBP's K9 sniffs out hidden cash; HSI intercepts a $2 million drug deal.

CBP in JFK and HSI in San Diego tackle fentanyl crisis on opposite coasts.

HSI Colombia chases illegal gold; CBP thwarts cartel activity in Texas.

Whistleblower testimony reignites a decades-long fight for transparency.

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

HSI Colombia chases illegal gold; CBP thwarts cartel activity in Texas.

Whistleblower testimony reignites a decades-long fight for transparency.

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

SD HSI follows a loaded car; CBP and HSI test out a drug detection device.

Customs and Border Protection finds $1 million of cocaine in a cargo truck; Homeland Security Investigations cracks down on a date rape drug.

An HSI stakeout leads to nearly $500,000 of meth and fentanyl in San Diego; CBP finds concealed cash and a carload of cocaine at the El Paso border.

PR AMO team hunts down boat loaded with $41 million of coke; CBP gets a tip about money smugglers and finds cocaine and people inside car trunks.

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.

Examining the history of cats and dogs and how they have been helpful companions to humankind all over the globe.

The re-creation of a Bugatti proves to be a nightmare; a wrench is thrown into the delivery of a 1963 classic.

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

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.

A maverick scientist begins his quest to find a shipwreck full of gold.

Tommy Thompson is labeled a hero, but his dreams soon crumble around him.

Tommy Thompson fails to appear in court, and the search begins.

Force K6, an Indian regiment of mule handlers in WW2, aided Allied evacuation at Dunkirk, other units escaped Nazi-occupied France.

The stories of three Black sailors, who not only miraculously survived the attack on Pearl Harbor, but also saved countless lives.

Unearthing the hidden heroes of the 320th Barrage Balloon Battalion, the only all-Black combat unit to fight on the D-Day beaches to help liberate Europe.

The Black Panthers, an elite tank unit, push back Hitler's final advance.

Alaska's next generation must respect the land and its inhabitants to survive.

Across the globe lies unseen but widely known threats that can change the world as people know it, from the Yellowstone Supervolcano, the San Andreas fault to nuclear armageddon, climate change, artificial intelligence and global pandemics.

Earhart, Everest and the Lost City of Z; uncovering the causes behind the top 10 tragic expeditions in history.

Alaska's next generation must respect the land and its inhabitants to survive.

Across the globe lies unseen but widely known threats that can change the world as people know it, from the Yellowstone Supervolcano, the San Andreas fault to nuclear armageddon, climate change, artificial intelligence and global pandemics.

Earhart, Everest and the Lost City of Z; uncovering the causes behind the top 10 tragic expeditions in history.

A maverick scientist begins his quest to find a shipwreck full of gold.

Tommy Thompson is labeled a hero, but his dreams soon crumble around him.

Tommy Thompson fails to appear in court, and the search begins.

Force K6, an Indian regiment of mule handlers in WW2, aided Allied evacuation at Dunkirk, other units escaped Nazi-occupied France.

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.

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.

Cartoon car called Mr. Beep rolls in on life support; Jay burns out on the Bugatti; exploding engines hinder Mustang deadline.

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.

The next generation of remote Alaskans must secure food in bleak winter.

Alaskans confront brutal elements while on the hunt for critical resources.

Alaskans engineer inventive solutions for survival in the harsh elements.

With surprises around every bend, Alaskans must be ready for anything.

Alaskans brave the deadly cold of winter to protect their way of life.

The next generation must be resourceful tackling late winter challenges.

The next generation of Alaskans risk it all to ensure their survival.

Alaskans must push their boundaries in hopes of a prosperous future.

Alaska's Indigenous Peoples rely upon the lessons and values of their ancestors to harvest resources for their families and neighbors.

Wildlife activists Benhail Antao and Louise Remedios spend hours rescuing a rat snake and a checkered keelback snake.

Wildlife activists Benhail Antao and Louise Remedios put their patience and resilience to the test as they receive back-to-back snake rescue calls.

Alaskans must push their boundaries in hopes of a prosperous future.

Alaska's Indigenous Peoples rely upon the lessons and values of their ancestors to harvest resources for their families and neighbors.

Wildlife activists Benhail Antao and Louise Remedios spend hours rescuing a rat snake and a checkered keelback snake.

Wildlife activists Benhail Antao and Louise Remedios put their patience and resilience to the test as they receive back-to-back snake rescue calls.

The next generation of remote Alaskans must secure food in bleak winter.

Alaskans confront brutal elements while on the hunt for critical resources.

Alaskans engineer inventive solutions for survival in the harsh elements.

With surprises around every bend, Alaskans must be ready for anything.

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.

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.

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.

Paul has passport problems after David invites him to an elite-car auction in the United States; a 1959 Cadillac has more problems than expected.

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.

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.

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.

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

Cesar helps sequestered sisters and a woman preparing for surgery.

A Boston terrier fights with an Akita next door; two terriers hunt dogs.

Cesar rehabs an overexcited labrador and a pushy adolescent doberman.

Fueled by fear, two brothers turn against each other in deadly attacks.

Cesar rehabs an aggressive Labradoodle with an alarming history of biting.

Cesar rehabs an over-policing pit mix and a space-invading mini schnauzer.

Dr. Pol celebrates turning 80 with a trip to the Netherlands with Diane.

A look at natures furry little geniuses in all their wonder.

Wildlife activists Benhail Antao and Louise Remedios discover an Indian spectacled cobra stuck in a well. Ben descends the well using a winch installed in his SUV to rescue it.

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

Dr. Pol celebrates turning 80 with a trip to the Netherlands with Diane.

A look at natures furry little geniuses in all their wonder.

Wildlife activists Benhail Antao and Louise Remedios discover an Indian spectacled cobra stuck in a well. Ben descends the well using a winch installed in his SUV to rescue it.

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

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

Cesar helps sequestered sisters and a woman preparing for surgery.

A Boston terrier fights with an Akita next door; two terriers hunt dogs.

Cesar rehabs an overexcited labrador and a pushy adolescent doberman.

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.

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.

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.

Jay clashes with the new guy; a 1972 Plymouth Road Runner GTX arrives at the shop; a one-of-kind Swiss car goes up for auction.

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

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.

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.

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.