National Geographic Channel

'S2 - Sail'. Amsterdam Central is busy handling the crowds during the bustling SAIL event.

'S1/E3 of 6 - Battling Giants'. The Colosseum and the Great Wall of China are innovative engineering feats.

'S1/E7 of 8 - Gary Harrington'. A CIA case officer risks everything to recover a lost ally in Taliban territory.

'S1/E5 of 6 - Rise Of The Supertalls'. Reaching new heights, skyscrapers evolve as engineers learn from past disasters.

'S1/E3 of 6 - Greece'. Hannah Fry explores why ancient Greece was the birthplace of so many big ideas.

'S1/E1 of 6 - Spain'. Hannah Fry explores Spain's cultural treasures and their hidden contradictions.

'S1/E6 of 6 - Iceland'. Hannah Fry on how Iceland's dramatic geology shapes the nation's pioneering spirit.

'S3/E3 of 6'. Science of Stupid explains the mishaps behind wild self-shot clips of special occasions.

'S3/E4 - Play'. Science of Stupid At Play looks at misses in fun clips of people who failed at games.

'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/E12'. In this episode we learn the science behind the fails, when 'mud bogging' in off-roaders, dancing in circles or riding undersized bikes.

'S7/E13 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.

'S6/E8 - The Nubian Pharaohs'. Archaeologists investigate Egypt's ancient power struggle with the Nubians.

'S9/E4 of 8 - Convoy Carnage'. Wild weather and traffic convoys cause carnage on Thord's mountain.

'S3/E1 of 20 - How We Survive'. Alaska Natives battle the seas of the arctic as winter looms.

'S1/E2 of 6 - Realm of the Humpbacks'. The team reveals the greatest secrets in the lives of the humpback whale.

'S8/E1 of 8 - These Bedsheets are Dope!'. CBP Dulles finds outbound drugs and Border Patrol tracks human smugglers.

'S1/E3 of 10 - Last Days Of The Battleship'. How the most powerful warships had their weaknesses and paid a fatal price.

'S1/E3 of 6 - Jurassic Shark'. The team is in the Azores to tag a deep-sea giant - the sixgill shark.

'S1/E1 of 3 - Treasures Rediscovered'. A beautifully crafted ceremonial dagger made of iron found wrapped inside his mummified corpse has perplexed Egyptologists since it was first discovered.

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

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

'S1/E3 of 6 - Battling Giants'. The Colosseum and the Great Wall of China are innovative engineering feats.

'S1/E7 of 8 - Gary Harrington'. A CIA case officer risks everything to recover a lost ally in Taliban territory.

'S9/E5 of 8 - Spooky Night'. Thord gets spooked rescuing a van that crashed beside a graveyard.

'S3/E2 of 20 - The Great Hunter'. On ancestral lands, Alaska Natives unite to thrive and survive.

'S8/E2 of 8 - Unholy Guacamole'. HSI finds cocaine hidden in frozen avocado paste. CBP recovers stolen cars.

'S1/E4 of 10 - Nuclear Wrecks'. The wrecks of five warships show how the atom bomb changed our world.

'S2/E5 - Episode 5'. The station is celebrating the 750th anniversary of the city of Amsterdam.

'S1/E5 - Wake Up Call'. With New Orleans' population evacuated, the city's future remains unclear.

'S10/E7 - The Dope Boat'. HSI finds coke in Colombian sailboat. CBP rookie K9 finds drugs going overseas.

'S5/E1 - Japan's Warrrior Code'. June 1944. The Japanese are in retreat across the Pacific. Now they face a pivotal battle. If they lose the B-29 long-range bomber will be within range of Japan for the first time.

'S1/E4 - How To Start A War'. We discover that you can start a war over anything, from assassination to a lost ear and even pastry.

'S1/E3 - Scandal'. Suzannah and Joe examine how two of Henry VIII's wives lost their lives in the Tower following accusations of amorous affairs.

'S2/E5 of 6 - Episode 5'. The station is celebrating the 750th anniversary of the city of Amsterdam.