National Geographic

'S4/E5 - Death in Mid-Air'. When two planes collided above Germany in 2002, 71 people died. Having lost his family, Vitaly Kaloyev murdered the air traffic controller.

'S2/E2 - America's Lost Treasures'. Ravages of war, visions of a future and the quest for gold helped create the modern United States.

'S2/E4 - Operation Market Garden'. September 1944: thousands of troops drop from the skies over the Netherlands as the Allies launch the largest airborne assault in history.

'S5/E9 of 10 - Memphis Mayhem'. In Memphis, cops find themselves confronted by paranoid and trigger-happy dealers as they try to stop a heroin epidemic engulfing the city.

'S2/E5 - Pirates'. The black market can be brutal. Workers, suppliers, customers and law enforcement share their experience of a hidden world that touches us all.

'S1/E4 - Nuclear Wrecks'. We uncover the remains of warships from the remote Pacific to the Atlantic, revealing new insights into how the atom bomb changed our world forever.

'S4/E5 - Death in Mid-Air'. When two planes collided above Germany in 2002, 71 people died. Having lost his family, Vitaly Kaloyev murdered the air traffic controller.

'S2/E2 - America's Lost Treasures'. Ravages of war, visions of a future and the quest for gold helped create the modern United States.

'S2/E4 - Operation Market Garden'. September 1944: thousands of troops drop from the skies over the Netherlands as the Allies launch the largest airborne assault in history.

'S5/E9 of 10 - Memphis Mayhem'. In Memphis, cops find themselves confronted by paranoid and trigger-happy dealers as they try to stop a heroin epidemic engulfing the city.

'S3/E3 of 6 - Hostile Canyon'. In the deepest canyon in North America, Hazen Audel must navigate mountainous terrain on a deadly solo run.

'S5/E13 - Death Moan'. The changing seasons bring risks the next generation has yet to experience deep in the Arctic backcountry.

'S5/E7 - Freeway Meth'. HSI in San Diego tracks a vehicle stuffed with meth all the way to Long Beach, and CBP & HSI in Philly test a new drug detection device.

'S3/E8'. Today we learn how many ways there are to embarrass yourself when pulling an emergency stop on a motorbike, attempting a front-flip or sliding down hills.

'S4/E9'. In this episode we learn just how many ways there are to embarrass and humiliate yourself while doing a ski flip, attempting the limbo, or flying down a speedy zipline.

'S1/E15 - Gone Fishing'. Discover how succulent rainbow trout, crunchy roasted cashew nuts, expertly sliced apples and unspeakably tasty peameal bacon get to the masses.

'S1/E16 - A Griller Thriller'. Discover how chewy granola bars, tasty BBQ veggie medleys, rich blue cheese and hearty rice cakes get to the masses.

'S3/E3 of 6 - Hostile Canyon'. In the deepest canyon in North America, Hazen Audel must navigate mountainous terrain on a deadly solo run.

'S5/E13 - Death Moan'. The changing seasons bring risks that the Next Generation has yet to experience deep in the Arctic backcountry.

'S3/E8 - Lost Lake Dinosaur'. Cyril's next mission is the invasive paiche, a giant, air-breathing monster fish that can grow to twice the length of an adult human.

'S5/E7 - Freeway Meth'. HSI in San Diego tracks a vehicle stuffed with meth all the way to Long Beach, and CBP & HSI in Philly test a new drug detection device.

'S1/E4 - Nuclear Wrecks'. We uncover the remains of warships from the remote Pacific to the Atlantic, revealing new insights into how the atom bomb changed our world forever.

'S2/E1 - The River Stingray'. Cyril and his team of adventure filmmakers work with local scientists in Argentina to locate the elusive short-tailed river stingray.

'S1/E17 - Like Momma Makes'. Discover how perfect frozen pizzas, creamy spreadable butter, versatile organic mushrooms and rich mini quiche florentines get to the masses.

'S1/E18 - Flour Power'. Discover how cranberry-covered goat's cheese, whipped creamy strawberry shortcake, perfectly ground wheat and pickled herring gets to the masses.

'S6/E17'. In this episode we learn all about surface tension, the best way to catch a drone, how to foot grab a pogo stick and the secrets behind bike river jumps.

'S6/E18'. In this engineering special we discover the workings of the combustion engine, the secrets of airfoils, how pumps work, and the proper way to operate a chainsaw.

'S4/E5 - Death in Mid-Air'. For the forty-five schoolchildren who boarded the Bashkirian Airlines flight from Moscow to Barcelona it was going to be the trip of a lifetime.

'S2/E2 - America's Lost Treasures'. Ravages of war, visions of a future and the quest for gold helped create the modern United States.

'S3/E1 of 6 - Killer Seas'. Hazen braves the treacherous tropical seas of Pongso no Tao on a quest to catch a prized big fish and prove his manhood.

'S5/E14 - The Break In'. While temperatures rise and predators wake, Alaskans must stay on high alert in order to survive.

'S5/E8 - Ice Cold Cocaine'. CBP in El Paso finds $1M of cocaine hidden in a refrigerated cargo truck. LA HSI executes controlled delivery and arrests the recipient of date rape drugs.

'S1/E5 - Savage Revenge'. How the Americans launched a massive bombardment of the Japanese fleet and how the German liner Wilhelm Gustloff was torpedoed by a Russian sub.

'S1/E1 of 6 - Secrets of the Deadly T-Rex'. Palaeontologists at a dig site in America want to find out how the Tyrannosaurus Rex became the king of the mighty primeval lizards.

'Life Below Zero: Port Protection Alaska Compilation. S4/E4 - Takes a Crew'. Port Protection residents team up to help each other prepare for a rapidly approaching winter, then celebrate their efforts with a communal potluck.

'S1/E3 - England: The Witchfinders' Cruel Crusade'. Two self-appointed witch-hunters investigate and torture so-called witches in exchange for money during the turmoil of England's Civil War.

'S5/E6 of 10 - Snitch Cities'. Police turn to confidential informants to hunt down the mobile dealers in Minneapolis and Saint Paul who deal some of the purest heroin around.

'S1/E1 of 3'. As smugglers adapt to government tactics, officials enhance the scope of their ability to catch those breaking the law.

'S1/E5 - Savage Revenge'. How the Americans launched a massive bombardment of the Japanese fleet and how the German liner Wilhelm Gustloff was torpedoed by a Russian sub.

'S1/E1 of 6 - Secrets of the Deadly T-Rex'. Palaeontologists at a dig site in America want to find out how the Tyrannosaurus Rex became the king of the mighty primeval lizards.

'Life Below Zero: Port Protection Alaska Compilation. S4/E4 - Takes a Crew'. Port Protection residents team up to help each other prepare for a rapidly approaching winter, then celebrate their efforts with a communal potluck.

'S1/E3 - England: The Witchfinders' Cruel Crusade'. Two self-appointed witch-hunters investigate and torture so-called witches in exchange for money during the turmoil of England's Civil War.

'S5/E6 of 10 - Snitch Cities'. Police turn to confidential informants to hunt down the mobile dealers in Minneapolis and Saint Paul who deal some of the purest heroin around.

'S3/E1 of 6 - Killer Seas'. Hazen braves the treacherous tropical seas of Pongso no Tao on a quest to catch a prized big fish and prove his manhood.

'S5/E14 - The Break In'. While temperatures rise and predators wake, Alaskans must stay on high alert in order to survive.

'S5/E8 - Ice Cold Cocaine'. CBP in El Paso finds $1M of cocaine hidden in a refrigerated cargo truck. LA HSI executes controlled delivery and arrests the recipient of date rape drugs.

'S3/E9'. We learn just how many ways there are to embarrass and humiliate yourself when attempting a snowboard flip, bouncing on a space hopper or juggling a football.

'S4/E10'. In this episode we learn just how many ways there are to embarrass and humiliate yourself while jumping into hedges, stopping a longboard or confronting parking gates.

'S1/E17 - Like Momma Makes'. Discover how perfect frozen pizzas, creamy spreadable butter, versatile organic mushrooms and rich mini quiche florentines get to the masses.

'S1/E18 - Flour Power'. Discover how cranberry-covered goat's cheese, whipped creamy strawberry shortcake, perfectly ground wheat and pickled herring gets to the masses.

'S3/E1 of 6 - Killer Seas'. Hazen braves the treacherous tropical seas of Pongso no Tao on a quest to catch a prized big fish and prove his manhood.

'S5/E14 - The Break In'. While temperatures rise and predators wake, Alaskans must stay on high alert in order to survive.

'S2/E1 - The River Stingray'. Cyril and his team of adventure filmmakers work with local scientists in Argentina to locate the elusive short-tailed river stingray.

'S5/E8 - Ice Cold Cocaine'. CBP in El Paso finds $1M of cocaine hidden in a refrigerated cargo truck. LA HSI executes controlled delivery and arrests the recipient of date rape drugs.

'S1/E5 - Savage Revenge'. How the Americans launched a massive bombardment of the Japanese fleet and how the German liner Wilhelm Gustloff was torpedoed by a Russian sub.

'S2/E2 - Razor Sharp'. Cyril and his team of adventure filmmakers continue searching for the venomous short-tailed river stingray.

'S1/E19 - Crunch Time'. Discover how perfectly blended vodka mixers, delicious Italian pizzelle cookies, juicy Buffalo wings and an entirely original Super Caramel Crunch cake get to the masses.

'S1/E20 - The Cream Of The Crop'. Discover how healthy organic milk, high-fibre chick peas, aromatic samosas and delicious creamy mini eclairs get to the masses.

'S6/E19'. In this episode we take a deep dive into entropy, learn the secrets of bowling lane etiquette, and discover the best way to carve on a snowboard.

'S6/E20'. In this episode we learn about motorcycle flips, how to avoid hurt when attempting to parkour lache, and how to avoid humiliation when walking up stairs.

'S1/E1 of 6 - Secrets of the Deadly T-Rex'. Palaeontologists at a dig site in America want to find out how the Tyrannosaurus Rex became the king of the mighty primeval lizards.

'Life Below Zero: Port Protection Alaska Compilation. S4/E4 - Takes a Crew'. Port Protection residents team up to help each other prepare for a rapidly approaching winter, then celebrate their efforts with a communal potluck.

'S3/E6 of 6 - Killer Blizzard'. Hazen Audel is pushed to the limit in some of the world's most hostile environments and answers the question - how does anyone survive here?

'S5/E15 - Blood Trail'. As the seasons change, the next generation of Alaskans is in search of autumn's bounty in order to prepare for winter.

'S6/E1 - Junk In The Trunk'. A Homeland Security Investigations stakeout leads to a haul of meth and fentanyl, and Customs and Border Protection finds a carload of cocaine at the El Paso border.

'S1/E6 - Failed Invasions'. Explore two of the greatest failed invasions in the history of naval warfare, how the Spanish Armada was defeated and why the Allied fleet was crushed in WWI.

'S7/E7 - New Drug On The Block'. HSI uncovers a new street drug during a controlled delivery. CBP finds invasive snails in the mail at JFK and 16 kilos of coke in a bumper in El Paso.

'S1/E3 - Kegworth BD Flight 92'. A routine flight from London Heathrow to Belfast International Airport ends in tragedy when British Midland Flight 92 crashes onto a motorway.

'S1/E7'. With unrivalled quality and spectacular imagery, this channel brings you award-winning documentaries from around the world - from wildlife adventure and exploration to natural phenomena and world cultures.

'S5/E4 of 10 - Molly Madness'. Meet 'Molly', the deadly drug that's driving Atlanta's night life. From the hot clubs to AK47 toting dealers, it's a growing threat to the city.

With unrivalled quality and spectacular imagery, this channel brings you award-winning documentaries from around the world - from wildlife adventure and exploration to natural phenomena and world cultures.

'S1/E6 - Failed Invasions'. Explore two of the greatest failed invasions in the history of naval warfare, how the Spanish Armada was defeated and why the Allied fleet was crushed in WWI.

'S7/E7 - New Drug On The Block'. HSI uncovers a new street drug during a controlled delivery. CBP finds invasive snails in the mail at JFK and 16 kilos of coke in a bumper in El Paso.