National Geographic Channel

'S1/E1 - Episode 1'. NASA learns from past space disasters to design safer missions toward Mars.

'S3/E6 - Sudden Impact'. Flash floods, cable car calamity, car park fires and a train station collapse.

'S1/E1 - The Coming Storm'. As Hurricane Katrina's wrath is unleashed, residents prepare for disaster.

'S3/E5 - Japanese Superfortress'. April 1945. The war in the Pacific has now fully turned against the Japanese forces.

'S4/E5 - Judgement Day'. Follow three inmates from their jail cell to the judge as we join them for the potentially life-changing ordeal of facing a jury trial.

'S5/E1 - The Bismarck'. Naval historian Andrew Lambert takes a closer look at the Royal Navy's battle with Bismarck and how it changed the course of World War Two.

'S1/E1 - Episode 1'. NASA learns from past space disasters to design safer missions toward Mars.

'S1/E1 of 6 - Episode 1'. NASA learns from past space disasters to design safer missions toward Mars.

'S3/E6 of 6 - Sudden Impact'. Flash floods, cable car calamity, car park fires and a train station collapse.

'S1/E1 of 5 - The Coming Storm'. As Hurricane Katrina's wrath is unleashed, residents prepare for disaster.

'S2/E4 of 7 - Battle For The Pacific'. As American forces sweep across the Pacific, the Japanese fight to their last breath to protect mainland Japan. They turn to desperate tactics with kamikaze suicide bombers using killer planes.

'S1/E5 of 10 - Liu Bowen, Caesar's Soothsayer, Alloa Tower'. Prophecies feature China's 'Nostradamus,' Ides of March and a family curse.

'S1/E2 of 10 - Rasputin's Reign, Oracle Bones, Mothman'. Explore the legends of Rasputin, China's oracle bones and the Mothman.

'S1/E1 of 10 - Nostradamus, Castle Houska, The First Stigmata'. Explore the legends of a French seer, a pit to hell and the first stigmata.

'S8/E7 of 16'. In this episode we examine snowless snowboarding, homespun boats and walking the plank.

'S8/E8 of 16'. In this episode we examine grass-boarding, aerial splits and kayaking over a waterfall.

'S98/E1'. We have created four 'Best Of' sports compilations, lest we forget how inadequate and dumb humans can be.

'S98/E2'. We have created four 'Best Of' sports compilations, lest we forget how inadequate and dumb humans can be.

'S2/E1 - Secrets of D-Day'. Using the latest sonar technology, a unique expedition to map sunken Allied vessels off of the Normandy coast reveals stunning images from beneath the waves.

'S2/E7 - Secrets Of New York City'. Examining hidden giants can explain New York City's meteoric rise to become a bustling world metropolis.

'S2/E7 - Death of The Pyramids'. Archaeologists hunt for clues to explain the abandoning of the pyramids - they unearth tactics used to protect mummies and find a 4,000-year-old tomb.

'S2/E8 - Curse of The Mummy'. Archaeologists search Egypt's ancient burial grounds to solve the mysteries of the most intriguing artefacts of all: mummies.

'S1/E4 - Superskilled W/ Eva Zu Beck: Hiking Kilimanjaro... As a Porter'. Eva carries heavy loads to the top of Kilimanjaro with a team of female porters.

'S4/E2 - Ambition Fuels Innovation'. Archaeologists discover engineering marvels and clever innovations of Rome.

'S1/E4 - Mark Kelton'. The clock is ticking in the CIA's pursuit of the country's most wanted fugitive.

'S1/E1 - Episode 1'. NASA learns from past space disasters to design safer missions toward Mars.

'S3/E7 - Babe Flute, Casino Shoe, Cursed Amethyst'. Does a 50,000-year-old bear bone upend humanity's place in evolution? Can a black shoe be a high-tech device? Is a beautiful gemstone really cursed?

'S3/E8 - Crystal Skull, Dragon Chair, Assyrian Star Map'. Is a crystal skull powered? Is a spiked chair torture? Is a tablet astronomical?

'S5/E2 - Mountain Tsunami'. In 1963, a tsunami hit Europe's tallest dam and swamped the valley, taking over 2,000 lives. A number of systematic errors led to the tragedy.

'S1/E4 of 4 - Superskilled W/ Eva Zu Beck: Hiking Kilimanjaro... As a Porter'. Eva carries heavy loads to the top of Kilimanjaro with a team of female porters.

'S4/E2 of 3 - Ambition Fuels Innovation'. Archaeologists discover engineering marvels and clever innovations of Rome.

'S1/E4 of 8 - Mark Kelton'. The clock is ticking in the CIA's pursuit of the country's most wanted fugitive.

'S1/E1 of 6 - Episode 1'. NASA learns from past space disasters to design safer missions toward Mars.

'S1/E3 of 7 - Joan of Arc - Patron Saint of Soldiers'. On a divinely inspired mission to drive the English out of France, Joan was instrumental in lifting the seige of Orleans, a turning point in the Hundred Years' War.

'S1/E2 of 7 - Mary Magdalene - Patron Saint of Women'. Mary's life began with mental instability until she met Jesus, who exorcised her to her demons.

'S98/E2 of 4'. We have created four 'best of' sports compilations lest we forget how inadequate and dumb humans can be.

'S1/E1 of 7 - John the Baptist - Patron Saint of Converts'. In 1st Century Galilee, John baptized new followers as she awaited the coming of the Messiah.

'S98/E1'. We have created four 'Best Of' sports compilations, lest we forget how inadequate and dumb humans can be.

'S98/E2'. We have created four 'Best Of' sports compilations, lest we forget how inadequate and dumb humans can be.

'S7/E11'. In this episode we learn the science behind the fails when bouldering on rock faces, doing flips on wakeboards, or diving into foam pits.

'S7/E14 of 20'. 'Science of Stupid' returns for a seventh series. We love to watch other people make a mess of things - preferably in spectacular fashion.

'S1/E5 of 8 - William Kidd'. Captain Kidd, the treasure hunter, turns from pirate hunter to pirate.

'S7/E1 of 8 - Marathon Mission'. Thord and Bjoern join forces to rescue a truck from falling into a lake.

'S1/E4 of 8 - In Perfect Balance'. Unstable winter weather tests the Indigenous Alaskan way of life.

'S1/E6 of 8 - Tension On The Line'. Cyril and his team search for 200-pound Pirarucu and hulking Piraiba.

'S5/E6 of 8 - Dope in the Hood'. LA HSI executes undercover drug buys, CBP intercepts Coyotes at the border.

'S5/E2 of 10 - Miracle Flight'. It's a calm summer evening, when an inexplicable failure strikes, causing the loss of two engines.

'S1/E7 of 8 - Edge Of Disaster'. Cyril and the team battle hidden dangers in their quest for the Piraiba.

'S1/E6 of 8 - Blackbeard'. Blackbeard's name strikes fear into all as a brutal diabolical pirate.

'S4/E11 of 14'. In this episode we learn just how many ways there are to embarrass, injure and humiliate yourself while racing a snowmobile, jumping a skateboard or simply walking in long robes.

'S4/E12 of 14'. In this episode we learn just how many ways there are to embarrass, injure and humiliate yourself while jumping into a snowdrift, drumming or simply landing your pogo stick.

'S4/E2 of 3 - Ambition Fuels Innovation'. Archaeologists discover engineering marvels and clever innovations of Rome.

'S1/E4 of 8 - Mark Kelton'. The clock is ticking in the CIA's pursuit of the country's most wanted fugitive.

'S7/E2 of 8 - Test Of Mettle'. Thord and Bjoern battle one of Norway's biggest storms in a decade.

'S1/E5 of 8 - Cold Catch'. Time-honored methods outshine new technology in Alaska's brutal winters.

'S5/E7 of 8 - Freeway Meth'. SD HSI follows a loaded car. CBP and HSI test out a drug detection device.

'S5/E1 of 10 - Slammed To The Ground'. The crash of Flight 191 helps scientists overcome a notorious danger to airplanes, the microburst.

'S2/E1 of 6 - Tourist Hotspot'. Amsterdam Central Station has its hands full with the influx of tourists.

'S1/E1 of 5 - The Coming Storm'. As Hurricane Katrina's wrath is unleashed, residents prepare for disaster.

'S10/E1 of 8 - High Caliber Highway'. HSI St. Louis pursues gun traffickers. CBP stops siblings hiding money.

'S3/E6 of 6 - Pacific Megaships'. In the 1930s the Japanese begin designing the Yamato, the world's most powerful battleship, 30 per cent larger than anything their enemies have.

'S4/E6 of 12 - Revolving Door'. Jail may be a wake-up call for most Clark County inmates, but thousands of past offenders - many of them addicts - become trapped in the system.

'S5/E3 of 6 - Waco Cult'. When a 51-day siege at a religious cult's ranch leads to an FBI attempt to force them out with tear gas, a fire erupts, killing nearly 80 people.

'S2/E1 of 6 - Tourist Hotspot'. Amsterdam Central Station has its hands full with the influx of tourists.