HSI Miami investigates two separate maritime smuggling cases and seizes more than 450 kilograms of cocaine off a yacht coming from the Caribbean.

Air Crash Investigation 4 investigates legendary aviation disasters to find out what went wrong and why.

A massive explosion tears a hole in a 747 over Hawaii, and the trail of clues ultimately leads investigators to a catastrophic short circuit.

Dangerous situations turn deadly when pilots ignore their training. Basketball legend Kobe Bryant is among the casualties in this crash.

Three hundred people are killed in one of the deadliest aviation accidents of all time after a fire breaks out on board Saudia Flight 163.

Witness a fig Newton that's literally 80-feet long, and find out what makes this seasonal Wisconsin butter so special.

Find out why these tealeaves get to lie down on the job, and these ice cream sandwiches have been a San Francisco tradition since 1928.

Discover the humble black olive's story, enjoy guilt-free fruit and veggie pops, and learn about the production of millions of cookie chips.

Discover how potatoes become Mexi-Fries, Hollywood's connection to chocolate toffees, and California's perfected absinthe distillery.

In this episode we learn the science behind the fails when driving tracked vehicles, jumping down stairs on unicycles, and getting into kayaks.

In this episode we learn the science behind the fails, when driving through snow and cycling around velodromes, and the terrifying effect of a malfunctioning powerline.

In this episode we learn the science behind the fails, when driving through snow and cycling around velodromes, and the terrifying effect of a malfunctioning powerline.

In this episode we learn the science behind the fails, when attempting a BMX 720 stunt, having fun on playground spinners and trying to parallel park.

In this episode we learn the science behind the fails, when riding a horse through water, steering a radio-controlled plane and underestimating the power of ocean tides.

Discover what a laser beam and applesauce have in common, and this snack factory produces a billion onion rings every year.

We learn the secrets to bacon-flavoured soda at a Texas smokehouse and visit the farm where crispy bacon bits are smothered in rich chocolate.

Find out what it takes to make a 5,000-pound cheese wheel, and these irresistible blondies are shipped to snack-lovers across the country.

Behind the scenes of one of the biggest and soon to be busiest airports in the world

Customs are suspicious of a man carrying uncut diamonds in his luggage, and a cargo of racehorses from France poses a logistical challenge.

Clues from a 13,000-year-old skeleton and a submerged coastline reveal surprising insights about the first humans to arrive in the Americas.

Finders Keepers. When the oceans finally give up their sunken treasures, is it finders' keepers? Or does the bounty belong to history?

Tim and Fuzz take on one of the most divisive British sports cars ever made - a Triumph TR7, a British Leyland relic from the 1970s.

This time Tim and Fuzz are in unknown territory as they take on 28-year-old Charlie's Lexus IS200 and transform it into a full-blown drift car.

The Hard Merchandise races to catch one more fish before Dave's surgery.

World-class rock climber Alex Honnold launches a first-ever Greenlandic expedition to climb a 4,000-foot sea cliff.

With the fish biting, each boat tries to catch the biggest bluefin.

Alex and the team are hit by deadly ice fall as they make a first ascent of an unnamed 1,500-foot rock wall.

Alex and the team reach the final phase of their epic expedition. A 4000 foot unclimbed sea wall, and one of the most important glaciers in Greenland.

In the fishiest season Gloucester has seen in years, the fleet battles it out to try and land Bluefin bigger and better than their competition.

Dangerous situations turn deadly when pilots ignore their training. Basketball legend Kobe Bryant is among the casualties in this crash.

When Ethiopian Airlines Flight 302 crashes shortly after takeoff, the catastrophe leads to the grounding of the entire Boeing 737 MAX 8 fleet.

PenAir 3296 attempts landing on a notorious Alaskan island airport but it can't stop. Investigators find crossed wires and treacherous tailwind.

Gordon explores the stunning Florida Keys, where vibrant locals challenge him to embrace the Conch Republic's way of life.

Gordon explores Ireland's Connemara coastline, foraging for crabs, rounding up lamb, and harvesting delectable oysters, abalone, and seaweed.

Travis Rice reflects on the avalanche that catapulted him into the unknown, sharing how it has shaped his approach to his sport and his life.

Sarah McNair Landry and her brother Eric share their story of kite-skiing the Northwest Passage in winter, only to be hunted by polar bears.

Alex and the team reach the final phase of their epic expedition. A 4000 foot unclimbed sea wall, and one of the most important glaciers in Greenland.

National Geographic Explorers conduct groundbreaking research to take the pulse of one of the planet's integral and endlessly magical resources.

In a groundbreaking research expedition, scientists and Sherpas team up on Mount Everest to install the highest weather station in the world.

Stress levels rise at Hard Merchandise as they struggle to catch their first fish. Marciano hates crowds, but that's where the fish are.

World-class rock climber Alex Honnold launches a first-ever Greenlandic expedition to climb a 4,000-foot sea cliff.

National Geographic Explorers conduct groundbreaking research to take the pulse of one of the planet's integral and endlessly magical resources.

With the fish biting, each boat tries to catch the biggest bluefin.

Hot Tuna spreads good karma as the fleet struggles to hook up.

Alex and the team are hit by deadly ice fall as they make a first ascent of an unnamed 1,500-foot rock wall.

Clues from a 13,000-year-old skeleton and a submerged coastline reveal surprising insights about the first humans to arrive in the Americas.

Finders Keepers. When the oceans finally give up their sunken treasures, is it finders' keepers? Or does the bounty belong to history?

HSI pursues a case of cocaine-filled cakes across state lines, and CBP seizes more than $100,000 of undeclared currency.