Drain the Oceans unlocks the secrets of how the Roman Empire controlled the seas of the Ancient world and how it harnessed the power of volcanoes to defy nature itself. It reveals the extraordinary secrets of one of the oldest shipwrecks in the world, and unearths a port lost for centuries under Italian soil.

There may be as many as one hundred thousand vessels lying on the floor of the Baltic sea, but perhaps the most spectacular of those is the battleship the Mars, which vanished over 450 years ago on just the second day of her career at sea. Shrouded in legend, this ship has recently been discovered off the coast of Sweden and is proving that she more than lives up to the many myths that surround her.

En route from Singapore to Perth, Qantas Airways Flight 72 takes a sudden nosedive over the Indian Ocean. Sudden G-forces are so violent passengers are lifted out of their seats. A series of over-speed and stall warnings flood the cockpit display, and it's clear something is terribly wrong. An experienced fighter pilot, the captain manages to safely land the plane. It's up to Australian investigators to uncover the mysterious and potentially deadly malfunction that's putting one of the world's most popular planes at risk.

When basketball legend Kobe Bryant is killed in a helicopter crash in Los Angeles, investigators look for clues amid a global outpouring of grief.

Only minutes after takeoff, a fire breaks out on Saudia Flight 163. The crew manages to turn the L-1011 around and land in Riyadh, but then the fire quickly engulfs the plane, killing all 301 people board. It's one of the deadliest aviation disasters of all time, and it's up to investigators to determine both the cause of the fire—and why it spread so quickly once the plane was on the ground.

En route from Bogota to the tiny Caribbean island of San Andres, Aires Flight 8250 is rocked by a major tropical storm. And though the crew expects to emerge from the intense weather, they are pummeled by high winds and heavy rains on their final approach and slam into the ground just short of the runway. The pilots claim the weather is to blame, but investigators ultimately reveal the cause of the accident was in their heads.

A state-of-the-art helicopter carrying oil workers to a drilling platform crashes into the ocean off the coast of Newfoundland. Remarkably one man survives and within hours, a major recovery effort has begun to retrieve the victims, the flight recorder, and the mangled wreckage from the ocean floor. Investigators piece together the clues and ultimately reveal a fatal flaw in the S-92's design.

Engineer Chad Zdenek gets hands on with a Mississippi disassembly team as they take on the task of stripping down the six million parts that make up the iconic 747 aircraft. Meeting some of its original designers and pilots along the way, Chad will get to the nuts and bolts of what this particular plane the 'Queen of the Skies'.

Coal powered the birth of modern America and smokestacks dotted the landscape. As we turn to natural gas and renewables, engineer Chad Zdenek gets deep inside the workings of one of the nation's behemoth coal power stations in North Carolina before it's taken apart and consigned to history forever.

As modernisation decimates its traditional cityscape, a team of warriors fight to preserve Kyoto's essence in the face of inevitable change.

It's a land before time... a sanctuary filled with giant ferns, ancient trees, and prehistoric predators. But Everglades National Park is under siege. A full-scale invasion of escaped pets and exotic species threatens to wipe out the local wildlife and a snarling system of dams and canals is slowly strangling its fragile ecosystem. So severe is the threat that UNESCO has put Everglades National Park on their list of most vulnerable locations. Now, the defenders of this World Heritage Site are fighting back - to fend off the onslaught of invaders and pump life back into the legendary river of grass before it's too late.

Maritime archaeologists and historians go in search of the crucial component in the Atlantic Slave Trade: the slave ship. An armoured, floating fortress operating for over four centuries, capturing and transporting over 12 million Africans, who were sold and forced to work in brutal conditions in the New World. By draining we reveal the cruel technology on-board, gain an insight into the horrific conditions and ID a wreck in Alabama that could be the last ever slave ship to bring Africans to American soil.

The attack on Pearl Harbor took the US fleet by surprise and went down in history books. But draining the islands of Hawai?i using the latest scanning techniques not only reveals the advanced technology of secret Japanese subs and fighter planes that enabled the enemy to sink US battleships, but that the battle itself started far earlier and was far wider ranging than anyone ever knew before.

The battle for oil in Alaska's Arctic National Wildlife Refuge has waged for over 40 years. Environmental and ingenuous groups fight to preserve the 19 million acres of wilderness home to caribou, birds, and polar bears. But it's the oil potentially hidden underneath that corporations are after. National Geographic investigates the battle for oil in Arctic Alaska.

X-raying the earth reveals a vast fault 80 miles off the Pacific Northwest coast. For over 300 years pressure has been silently building. When it slips if will generate a megaquake and tsunami that will devastate the region threatening the lives of 15 million residents living in Cascadia. Now scientists are racing to understand how bad the destruction will be when the really Big One hits.

X-Raying the Earth reveals the Atlantic island of La Palma has collapsed several times in mega-landslides. Another could trigger a tsunami with enough power to cross the Atlantic Ocean and decimate the US East Coast. Now scientists race to understand what could trigger the tsunami - and just how devastating the catastrophe could be.

X-Raying the Earth reveals the largest volcano on the planet lies beneath Yellowstone National Park. It has erupted many times before - on a scale so big it has plunged the earth into a volcanic winter. No-one alive has ever witnessed such a catastrophic event. Now the race is on to find out what could trigger a future eruption and how much warning would we get.

The 24-hour news cycle arrives and with it a booming tabloid industry hungry for scandals and strife to fuel its engines. With breathless non-stop coverage fanning the flames of the biggest beefs of the decade, the 90s becomes famous for its high profile divorces, fighting figure skaters, feuding rappers, battling boy bands and the first presidential impeachment in over 100 years.

Approaching Taipei in an intensifying electrical storm, China Airlines Flight 676 stalls, falls out of the sky, and pancakes on a busy roadway. Claiming the lives of all 196 people on board and six residents on the ground, it's the worst aviation disaster in the country's history. And it all boils down to 11 baffling seconds when neither pilot took control of the plane.

With Brazil's Chapecoense soccer team on board, LaMia Flight 2933 is on its final approach to Medellin, Columbia when the crew suddenly declares a fuel emergency. Before air traffic control even has time to clear a path, the plane crashes on the crest of a mountain, killing nearly everyone on board. With the soccer world in mourning, investigators face incredible pressure to figure out what happened. And as they pore over the evidence, they uncover a disturbing tale of greed and a deadly gamble.

A DC-8 with only three working engines is being ferried from Kansas City to a maintenance facility for repairs. The crew attempts a three-engine take-off, but the plane veers off the runway and crashes, killing all three pilots. Investigators dig into the pilots' training and discover that the simulator they trained on would have given them a fatal misunderstanding of the three-engine procedure.

One drug lord uses millions of drug dollars to bribe soldiers to desert the army, creating the Zetas - the most feared cartel in Mexico's history. With heavy weapons, military discipline and a ruthlessness that shocks even the most hardened agents, this new breed of narcos take the drugs war to a whole new level. But when the Zetas are betrayed, a whole town pays the price, sparking a cross-border manhunt to bring down the cartel.

El Chapo Guzman's rise to cartel leader through his ingenious cocaine-smuggling tunnels and a war with the Tijuana cartel unleashes narco terror.

The Latin American Narco Wars are spiralling out of control. Despite the $1 trillion spent on enforcement and the 2.5 million death toll, more illegal drugs are being produced, trafficked and consumed than ever before. Featuring interviews and action filmed with key players on both sides of the law, this 10 part series will examine the drug wars - both past and present - to explain why.

Pablo Escobar goes from cocaine tycoon in the late '70s to full-blown narcoterrorism by 1985, waging war against the Colombian state.

Cocaine king Pablo Escobar fights a war on two fronts - against the authorities and his rivals, the Cali Cartel .His campaign of terror sees airliners blown up and politicians assasinated, but his enemies are uniting against him...This episode features interviews with Pablo Escobar's wife and son and the former Colombian president. It follows Escobar's bloody battle against extradition to the usa - a battle that threatens to destroy the Colombian state.

The Latin American Narco Wars are spiralling out of control. Despite the $1 trillion spent on enforcement and the 2.5 million death toll, more illegal drugs are being produced, trafficked and consumed than ever before. Featuring interviews and action filmed with key players on both sides of the law, this 10 part series will examine the drug wars - both past and present - to explain why.

Tim and Fuzz are off to Dorset to pick up a 1987 Renault Alpine GTA. The car belongs to former computer technician David, who has sadly been struck down by ill health leaving his beloved car off the road and in desperate need of some TLC. His friends and family hope Car SOS can restore David's pride and joy back to its former glory.

Tim and Fuzz are off to the home counties where a 1955 Ford Popular awaits. However, this is no bog-standard classic, it's a highly modified hot-rod with a brute of a V8 engine and a whole host of problems. The car was once the pride and joy of cerebral palsy sufferer Andy, but with so many mechanical troubles his beloved "Pop" has been rotting away in storage with virtually no chance of getting it back on the road. Until, that is, his wife wrote in to Car SOS.

With weekend vacationers and commuters returning home, Friday is always a busy day at the airport. More passengers means more problems, keeping the Duty Managers on high alert. Today its an air ambulance emergency, security breaches, illegal drugs and a shouting passenger facing a ban from the airline shes booked to fly on.

With the Prime Minister of Singapore due to arrive, Security at the airport is on high alert. A passenger is detected in possession of a dangerous weapon. Meanwhile the search is on for a woman reported to have collapsed on the street. Duty Manager Mel is excited to learn that hell escort his favourite Pop Artist when they arrive at Sydney Airport.

In this episode of Border Wars, U.S. Customs and Border Protection (CBP) and local law enforcement know that drugs, humans, weapons, and money could be stashed anywhere , by anyone , at any time in South Texas. Throughout the region, smugglers and traffickers use clever tactics to hide, store, and transport illegal contraband , while agents and officers protecting the border and nearby communities, are determined to find the stashes before they disappear.

In this episode of Border Wars we meet specially trained agents and officers equipped to combat the border problems that prevail in South Texas. The U.S. Border Patrol RIIP team adjusts their tactics and hours to foil the current smuggling trends. And San Juan PD SWAT uses their tactical expertise to take down a suspected drug dealer without endangering the surrounding community. These teams and units are highly selective, and these agents and officers are the best of best.

Maritime archaeologists and historians go in search of the crucial component in the Atlantic Slave Trade: the slave ship. An armoured, floating fortress operating for over four centuries, capturing and transporting over 12 million Africans, who were sold and forced to work in brutal conditions in the New World. By draining we reveal the cruel technology on-board, gain an insight into the horrific conditions and ID a wreck in Alabama that could be the last ever slave ship to bring Africans to American soil.