Access behind the scenes at some of America's busiest airports.

CBP investigates a trend of cocaine concealed in coffee bags and cracks down on a series of wildlife trafficking crimes.

HSI takes to the streets of Brooklyn to arrest the person picking up a suitcase of cocaine. CBP catches a man who has swallowed 85 pellets of cocaine.

HSI confiscate 21 kilos of meth and disrupt a transnational drug ring. CBP seize one of the largest shipments of illegal shark fins in Miami history.

Using an undercover agent, HSI finds a meth smuggler in Atlanta. CBP officers catch a passenger in New York with drugs inserted inside of her.

A Homeland Security Investigations stakeout leads to nearly $500K of meth and fentanyl in San Diego. Customs and Border Protection finds concealed cash and a carload of cocaine at the El Paso border.

HSI investigates a handler at JFK and uncovers an international criminal organization using airline employees to traffic cocaine into the US.

HSI stakes out a house during a controlled delivery of meth hidden in a shipment of votive candles. An unruly passenger causes trouble in Miami.

Fire-fighters rush to the aid of a 777 full of passengers, plus a man loses his son in the world's biggest airport terminal.

Fire-fighters rush to the aid of a 777 full of passengers, plus a man loses his son in the world's biggest airport terminal.

Follow the daily drama at Dubai International as its 60,000-strong workforce intercepts smugglers, makes emergency aircraft repairs and builds a huge new concourse.

The construction team behind the new concourse feel the heat as more than 200 volunteers test whether it's ready to be used by the public.

Scientific data combines with computer graphics to drain the oceans and investigate the lost wrecks of the war.

From gigantic birds to supersized dinosaurs, we count down the biggest monsters to ever roam the planet.

Federico Fanti goes to Canada to explore new fossils.

This episode explores a unique dig site in America to investigate how the T-Rex became the king of the dinosaurs.

Why did the giant Ice Age mammoth become extinct? This episode investigates unique finds that could help solve the mystery.

Returning to their homeland was the lifelong dream of two survivors of the last known U.S. slave ship. A century later, their dream is fulfilled.

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

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

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

Drowned shipwrecks and lost battlefields reveal secrets of America's most famous siege and tell how Texas secured its independence.

Draining Lake Michigan uncovers Chicago's secret history, exposes a catastrophe, and uncovers a naval training programme from World War 2.

A dramatic fossil could provide the final piece of the puzzle to prove that T. rex was not alone in the Late Cretaceous.

Federico Fanti arrives in the United Kingdom to the great scientific discoveries about dinosaurs.

How did the Tasmanian Tiger become extinct? This episode explores a unique dig site in Australia that could help solve the mystery.

How did prehistoric land mammals evolve into top ocean predators? This episode examines a unique dig site in Egypt that could help solve the mystery.

Archaeologists investigate the queens of Ancient Egypt and enter an unexplored pyramid for the first time in over 4,000 years.

Archaeologists are on the trail of Tutankhamun. To compile his story, they search his tomb and beyond for secrets missed by the first explorers.

Archaeologists hunt for clues to the dramatic downfall of Egypt's legendary last pharaoh - Cleopatra.

Archaeologists investigate how robbers looted the pyramids and tombs of ancient Egypt, and what clues they left behind.

Archaeologists investigate the mysterious Kings of Egypt's Pyramid Age, and discover a lost temple, buried for more than four thousand years.

Mediterranean

A dramatic fossil could provide the final piece of the puzzle to prove that T. rex was not alone in the Late Cretaceous.