Mariana explores the growing influence of Mexican cartels in the U.S.

Mariana heads to a Southeast Asian hotbed of scamming, where criminal organizations are holding thousands of hostages and forcing them to scam.

Mariana investigates the mysterious next wave of America's opioid crisis.

Mariana travels to Vietnam to investigate reports that young women are being trafficked into China to be sold as unwilling brides.

A conductor arrives to lead a symphony orchestra; a drug dealer tries to enter the United States.

CBP worries a man from Nicaragua may not leave the U.S.; a traveler's plan to start an e-vape business may go up in smoke.

A traveler must make a difficult decision; a bus passenger is busted with bud in her bag.

Officers find cocaine inside a Caribbean cocktail; officers sift through packages of pills.

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.

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 guys get a sneak peek of an auction with antique cars, retro gas pumps and collectibles.

A conductor arrives to lead a symphony orchestra; a drug dealer tries to enter the United States.

CBP worries a man from Nicaragua may not leave the U.S.; a traveler's plan to start an e-vape business may go up in smoke.

A traveler must make a difficult decision; a bus passenger is busted with bud in her bag.

Officers find cocaine inside a Caribbean cocktail; officers sift through packages of pills.

The work never ends as Alaskans prepare for another brutally harsh winter.

It's a hierarchy of predator versus prey, for all who live in Alaska.

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.

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

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

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

When a truck crashes into a snowbank in the mountains, Thord and rookie Terje must put their lives at risk to save its valuable cargo.

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

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

When a truck crashes into a snowbank in the mountains, Thord and rookie Terje must put their lives at risk to save its valuable cargo.

The work never ends as Alaskans prepare for another brutally harsh winter.

It's a hierarchy of predator versus prey, for all who live in Alaska.

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.

Real estate entrepreneurs are questioned; a traveler's investments in the U.S. raises alarms; suspicious Mexican souvenirs.

A traveler is caught driving without a license; a U.S. resident returns from the Dominican Republic.

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.

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

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.

A showroom full of antique cars, jukeboxes and tin trucks in central Alberta.

Real estate entrepreneurs are questioned; a traveler's investments in the U.S. raises alarms; suspicious Mexican souvenirs.

A traveler is caught driving without a license; a U.S. resident returns from the Dominican Republic.

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 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.

Golden eagles, otters, wild boars and cormorants struggle to survive the harsh winter in the land of the Iberian lynx.

Doctors from Pol Veterinary Services rush to help a distressed cow and her calf.

An ice storm shuts down the clinic, and newborn labs are melting hearts.

Golden eagles, otters, wild boars and cormorants struggle to survive the harsh winter in the land of the Iberian lynx.

Doctors from Pol Veterinary Services rush to help a distressed cow and her 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 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.

A traveler is caught with cocaine-filled pen caps; a long stay alerts CBP; a probation-breaking welder feels the heat.

A fake ID is comes to light at the border; a young traveler's stories don't jibe; CBP hounds sniff out forbidden food.

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.

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.

The guys haggle with a teenage girl over classic old Canadian canoes.

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.

A traveler is caught with cocaine-filled pen caps; a long stay alerts CBP; a probation-breaking welder feels the heat.

A fake ID is comes to light at the border; a young traveler's stories don't jibe; CBP hounds sniff out forbidden food.

In the shadow of the Great Pyramid, archaeologists unearth a royal palace.

Archeologists excavate an unexplored burial chamber inside a pyramid.

Archaeologists explore life and death in Ancient Egypt's metropolis, Alexandria.

Archaeologists explore hidden tombs and find spectacular mummies.

Archaeologists unearth new clues about a forgotten dynasty, the Sun Kings.

Archaeologists investigate Egypt's last legendary Queen, Cleopatra.

Archaeologists investigate the mysterious mega tombs of a forgotten era.

Experts investigate a forgotten valley hiding a hoard of royal mummies.

In this enhanced episode, CBP seizes looted Ukrainian antiques.

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

Experts investigate a forgotten valley hiding a hoard of royal mummies.

In this enhanced episode, CBP seizes looted Ukrainian antiques.

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

In the shadow of the Great Pyramid, archaeologists unearth a royal palace.

Archeologists excavate an unexplored burial chamber inside a pyramid.

Archaeologists explore life and death in Ancient Egypt's metropolis, Alexandria.

Archaeologists explore hidden tombs and find spectacular mummies.

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 Pickers load up on Newfoundland collectibles.

Officers find a stash of luxury knockoffs; a drag race fan slows his roll; CBP catches a wanted duo.

The Pickers load up on Newfoundland collectibles.

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.

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.

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

The Pols welcome a fluffy addition to the family; Tater is not pleased.

Welcome to the fair; Vets rally to keep dreams alive for hardworking kids.

Charles is worried about his dog Athena and looks to his dad for guidance.

The Pols welcome a fluffy addition to the family; Tater is not pleased.

Welcome to the fair; Vets rally to keep dreams alive for hardworking kids.

Charles is worried about his dog Athena and looks to his dad for guidance.

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.

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.

An old map connected to testimony from an 1891 eyewitness account of Slumach's hanging sheds light on the legend.

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.

An old map connected to testimony from an 1891 eyewitness account of Slumach's hanging sheds light on the legend.

A recurring mine marker points the team east to neighboring Harrison Lake as leads and legend line up; clues found in a 1950s article by an investigative reporter place a lost Spanish gold mine directly on Slumach's path.

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.

The story of the Netherlands' most powerful defence - water.

The ingenious fortress designs used to defend France.

Spain's impressive fortifications in a dramatic history of conflict.

A birds-eye view of the Canaries and Balearic Islands of Spain showcasing marine mammals and unique vineyards; a gothic Cathedral welcomes a rare light phenomenon.

An aerial view over the Alps region reveals a solar panel engineering feat, a hot air balloon festival and a flight alongside the Northern Bald Ibis.

The filmmaker reveals Santorini's vertiginous skyline, a quarry for volcanic glass and a festival with an explosive climax through an aerial tour.

The filmmaker reveals a record-breaking rollercoaster, a hair-raising window cleaning operation and Europe's biggest floating solar park in the Iberian Peninsula.

Pulitzer Prize-winning war photographer Lynsey Addario finds herself torn between work and family.

The filmmaker reveals a record-breaking rollercoaster, a hair-raising window cleaning operation and Europe's biggest floating solar park in the Iberian Peninsula.

Pulitzer Prize-winning war photographer Lynsey Addario finds herself torn between work and family.

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.

The story of the Netherlands' most powerful defence - water.

A car's radiation levels alert CBP; an officer digs up a stash of deadly bath salts; multiple phones materialize.

CBP converges on flights arriving from drug-source countries; a coffee expo volunteer finds trouble; pills are found in film containers.

A faceoff develops over luxury counterfeits; agents detect potentially lethal powder; a CBP beagle finds the mother load of meat.

Suspected of smuggling narcotics, a jittery traveler's next stop is a medical facility; a pair arrives bearing a trophy; CBP question a DJ's find.

The source of Slumach's lost gold.

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.

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.

A car's radiation levels alert CBP; an officer digs up a stash of deadly bath salts; multiple phones materialize.

CBP converges on flights arriving from drug-source countries; a coffee expo volunteer finds trouble; pills are found in film containers.

A faceoff develops over luxury counterfeits; agents detect potentially lethal powder; a CBP beagle finds the mother load of meat.

Suspected of smuggling narcotics, a jittery traveler's next stop is a medical facility; a pair arrives bearing a trophy; CBP question a DJ's find.

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.

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

Curly shoots a bear; Troy and Sarah struggle with a new water system.

Residents tackle tasks at the height of summer's season of productivity.

HSI busts date-rape drug traffickers; CBP stops a car filled with cocaine.

Spanish Coastguards coastal patrols unveil the cunning tactics of sea mafias.

Residents tackle tasks at the height of summer's season of productivity.

HSI busts date-rape drug traffickers; CBP stops a car filled with cocaine.

Spanish Coastguards coastal patrols unveil the cunning tactics of sea mafias.

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.

A tourist's uncertain vacation plans make him suspicious; two backpackers return with more than just memories; in Port Huron, a traveler carries a concealed weapon.

Cameras follow U.S. border protection agencies as they man the front lines of national security.

Cameras follow U.S. border protection agencies as they man the front lines of national security.

Cameras follow U.S. border protection agencies as they man the front lines of national security.

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

The Yukon's Civil Air Search and Rescue Association battles flying conditions in their search for a historic missing plane that had 44 people on board; the Dawson City Fire Department responds to a 911 call that puts the town in jeopardy.

Lisa Kelly finds herself in a real jam after jackknifing her truck deep in the back-country; Alex Debogorski gets more than he bargained for when he falls through a patch of thin ice; Todd Dewey comes to the aid of a stranded trucker.

A tourist's uncertain vacation plans make him suspicious; two backpackers return with more than just memories; in Port Huron, a traveler carries a concealed weapon.

Cameras follow U.S. border protection agencies as they man the front lines of national security.

Cameras follow U.S. border protection agencies as they man the front lines of national security.

Cameras follow U.S. border protection agencies as they man the front lines of national security.

A look at Sydney Airport's never-ending maintenance; featuring the changing of a wind sock, repairing a stuck airbridge and putting out a potentially catastrophic fire.

The busy Christmas season picks up, with thousands of families going on holiday, but the airport is shut down when an unidentified white powder is discovered on board an incoming flight.

Operating under a noise curfew, Sydney Airport faces pressure to complete 900 plane movements in a day; duty manager George is confronted by a suspicious package.

Baggage manager Kevin has a rough day trouble-shooting a number of mechanical breakdowns; security screening discovers a passenger travelling with a gun.

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.

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.

Pakistan International Airlines Flight 8303 crashes near Karachi on 22 May 2020, minutes from landing. The Airbus A320 collides with a residential area during a second approach, just miles from the runway.

Mariana investigates the illegal trade in shark fins, going face-to-face with hunters and smugglers and undercover to explore the demand in the U.S.

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.

Pakistan International Airlines Flight 8303 crashes near Karachi on 22 May 2020, minutes from landing. The Airbus A320 collides with a residential area during a second approach, just miles from the runway.

Mariana investigates the illegal trade in shark fins, going face-to-face with hunters and smugglers and undercover to explore the demand in the U.S.

A look at Sydney Airport's never-ending maintenance; featuring the changing of a wind sock, repairing a stuck airbridge and putting out a potentially catastrophic fire.

The busy Christmas season picks up, with thousands of families going on holiday, but the airport is shut down when an unidentified white powder is discovered on board an incoming flight.

Operating under a noise curfew, Sydney Airport faces pressure to complete 900 plane movements in a day; duty manager George is confronted by a suspicious package.

Baggage manager Kevin has a rough day trouble-shooting a number of mechanical breakdowns; security screening discovers a passenger travelling with a gun.

Cameras follow U.S. border protection agencies as they man the front lines of national security.

Cameras follow U.S. border protection agencies as they man the front lines of national security.

In the American border, agents questions an African traveler with a one-way ticket; in Detroit, a passenger receives a special surprise; officers wait for a drug-smuggler to expulse a pack of cocaine.

An Asian woman arrives with an American man who is not her husband; CBP discover a large collection of vapes and vape oils in a traveler's luggage; an officer discovers undeclared items belonging to an American couple returning from Europe.

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 races to protect the town from devastating flash floods; officers track down a dangerous and destructive bison herd, have a run-in with a bear and set up a sting to catch a suspected serial over-fisher.

A sudden warm-up threatens to derail the ice road season; Art Burke faces scary and slick roads; Lisa Kelly is forced to ask her former boss for financial help; Alex Debogorski encounters a mystery man walking alone on an isolated winter road.

Cameras follow U.S. border protection agencies as they man the front lines of national security.

Cameras follow U.S. border protection agencies as they man the front lines of national security.

In the American border, agents questions an African traveler with a one-way ticket; in Detroit, a passenger receives a special surprise; officers wait for a drug-smuggler to expulse a pack of cocaine.

An Asian woman arrives with an American man who is not her husband; CBP discover a large collection of vapes and vape oils in a traveler's luggage; an officer discovers undeclared items belonging to an American couple returning from Europe.

Every day our planet faces deadly threats; from earthquakes, viruses, tsunami's and extreme weather phenomenon, to threats from outer space in the form of radiation, asteroids and other space debris.

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.

Exploring various catastrophies that has happened in mankind's quest to conquer space, from the Apollo 1 tragedy to the Challenger and the Columbia disasters.

Witness the 10 worst sports crashes from the high-risk world of sport racing.

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

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

Severe winter weather brings chaos to the mountains and Thord's running out of options; Bjoern does Thord a big favor, leaves his territory and takes a ferry to the coast to rescue a snowplough.

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

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

Severe winter weather brings chaos to the mountains and Thord's running out of options; Bjoern does Thord a big favor, leaves his territory and takes a ferry to the coast to rescue a snowplough.

Every day our planet faces deadly threats; from earthquakes, viruses, tsunami's and extreme weather phenomenon, to threats from outer space in the form of radiation, asteroids and other space debris.

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.

A traveler is suspected of smuggling cocaine; an officer questions a traveler with low funds and a lengthy travel plan; a family from Canada traveling with a puppy is barking up the wrong tree.

CBP has beef with a traveler when they discover undeclared meat in his fiancé's luggage.

In Buffalo, officers search the vehicle of an American permanent resident; CBP are perplexed by a batch of ceramic pastries.

A family risks losing their stacks of cash; officers are on high alert after an American declares he is packing heat; CBP suspect a traveler is pulling a con job with his US work visa.

Adam, Kru and Tony follow the path of a failed 1982 Vancouver news team led by a Slumach gold hunter and mystic dowser.

Conservation Officer Logan has a close call while investigating a case of poaching; an aggressive grizzly bear ransacks a remote trapper's cabin.

A blast of arctic air reopens the ice roads; Steph Custance falls victim to severe icing and winds up in a ditch; truckers set out to see if the newly reopened ice crossings are really ready for their big rigs.

A traveler is suspected of smuggling cocaine; an officer questions a traveler with low funds and a lengthy travel plan; a family from Canada traveling with a puppy is barking up the wrong tree.

CBP has beef with a traveler when they discover undeclared meat in his fiancé's luggage.

In Buffalo, officers search the vehicle of an American permanent resident; CBP are perplexed by a batch of ceramic pastries.

A family risks losing their stacks of cash; officers are on high alert after an American declares he is packing heat; CBP suspect a traveler is pulling a con job with his US work visa.

Cesar rehabs an overprotective Belgian Malinois and a puppy with no leadership.

A pet parent unknowingly trains his pit bull to attack cleaning objects.

Cesar rehabs a sound sensitive sheepdog and a confused golden retriever.

Cesar helps a back-of-the-pack biter and his pet parent shed their fear.

Two dogs with bizarre obsessions.

Cesar helps three little dogs with big problems.

In this special episode, Cesar helps two dogs with aggression issues.

In this special episode, Cesar helps two dogs in life-or-death situations.

Spring rain brings new opportunities to the land of the Iberian lynx. However, the lynxes of the valley find it challenging to raise their cubs.

From the North Pole to Dr. Pol, everyone is getting in the Christmas spirit.

In this special episode, Cesar helps two dogs in life-or-death situations.

Spring rain brings new opportunities to the land of the Iberian lynx. However, the lynxes of the valley find it challenging to raise their cubs.

From the North Pole to Dr. Pol, everyone is getting in the Christmas spirit.

Cesar rehabs an overprotective Belgian Malinois and a puppy with no leadership.

A pet parent unknowingly trains his pit bull to attack cleaning objects.

Cesar rehabs a sound sensitive sheepdog and a confused golden retriever.

Cesar helps a back-of-the-pack biter and his pet parent shed their fear.

A CBP canine tracks a THC-toting traveler.

A traveler isn't blowing smoke when it comes to declaring her cigarettes.

A South American surfer's vague travel plans make waves with CBP.

A CBP canine is on the hunt for concealed contraband.

After aborting his mission last season, lone wolf prospector David Muise returns undeterred and looking for a partner.

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.

Polar Industries must deliver an oversized load hundreds of miles north on the winter roads; owner Mark Koyhaykewych recruits Lisa Kelly, then calls in Reno Ward, the 23-year-old son of the late Darrell Ward; a blizzard adds a new layer of danger.

A CBP canine tracks a THC-toting traveler.

A traveler isn't blowing smoke when it comes to declaring her cigarettes.

A South American surfer's vague travel plans make waves with CBP.

A CBP canine is on the hunt for concealed contraband.

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.

Undersea explorers aboard the research vessel Petrel detect a wreck off the coast of the Philippines that fits the profile of an American destroyer.

Hours after emerging victorious in the first carrier-to-carrier battle of World War II, the USS Lexington erupts in flames due to enemy fire; after 80 years, Petrel hopes to spot the wreck and the planes that went down with the ship.

The Petrel team searches for the American aircraft carrier USS Hornet; the ship's life is cut short when the Hornet sails into a hornet's nest of Japanese ships.

What happened aboard the USS Juneau; five brothers are lost, but not all perish when the ship goes down; at least one brother is among scores of men stranded at sea for eight days.

In one night, over 1000 Allied sailors perish when four cruisers go down in flames; Petrel searches for the cruisers in a graveyard littered with ships.