National Geographic Channel

'Oklahoma City Bombing: One Day in America. S1/E3 - Justice'. With the suspect in custody, the nation grapples with the reality that the bomber is an American - and the government seeks the death penalty.

'S1/E5 - Fight's On!'. Defensive dogfighting proves a tough test, as instructors go for the kill.

'S1/E1 - The Hitchhiker'. DNA detectives attempt to identify a victim of serial killer Larry Eyler.

'To Catch a Smuggler: Contraband Capture. S1/E6'. With unrivalled quality and spectacular imagery, this channel brings you award-winning documentaries from around the world.

'S5/E7 - Inside America's Militias'. Mariana investigates the growing influence of heavily armed militias.

'World's Greatest Train Journeys From Above. S1/E2 - Canada's Wilderness Railroad'. The Winnipeg to Churchill train crosses the province of Manitoba along a route that requires determination, force, and fire to keep it running.

'Life Below Zero: Port Protection Alaska. S6/E1 - The Perfect Bear'. As the community of Port Protection springs forward, Squibb and Troy join forces to repair a sinking float that could cause a massive oil spill.

'S2/E2 - Full Throttle Traffickers'. The Dutch Caribbean Coast Guard intercepts drug smugglers at full throttle.

'S3/E29'. In this episode we learn just how many ways there are to injure and humiliate yourself when skiing, operating a digger or attempting stunts on a motorbike.

'S3/E30'. In this episode we learn just how many ways there are to embarrass, injure and humiliate yourself when leaping out of trees, sumo wrestling or attempting a ramp jump.

'S1/E7 - The Motion of the Ocean'. Richard Hammond explores the painful potential of knocking down buildings, sledging and abusing airbags.

'S1/E8 - Big Tires, Monster Fails'. Richard Hammond explores the humiliating and painful potential of karate kicks, urban-biking bunny hops and snowboarding on water.

'S1/E6 - Stonehenge'. Albert Lin heads deep into the Mexican jungle to find a lost Mayan city.

'World's Greatest Train Journeys From Above. S1/E2 - Canada's Wilderness Railroad'. The Winnipeg to Churchill train crosses the province of Manitoba along a route that requires determination, force, and fire to keep it running.

'Life Below Zero: Port Protection Alaska. S6/E1 - The Perfect Bear'. As the community of Port Protection springs forward, Squibb and Troy join forces to repair a sinking float that could cause a massive oil spill.

'S2/E5 - Buried Secrets Of The Gold Rush'. The streets of San Francisco, the Sacramento River, and the icy wastes of the Klondike in northern Canada are drained to tell the true story of 19th-century gold mania.

'S2/E2 - Full Throttle Traffickers'. The Dutch Caribbean Coast Guard intercepts drug smugglers at full throttle.

'S14/E10 - Carnage In Sao Paulo'. Seconds after taking off, TAM Airlines Flight 402 slammed into a residential neighbourhood bursting into flames, killing all 95 people on board.

'S2/E4 - Secrets Of The Civil War'. The land battles of the American Civil War are well known, but it's the war on the seas that shaped the outcome of the war. Maritime archaeologists and historians go in search of Civil War secrets.

'S1/E1 - Cities In The Sky'. Albert Lin explores Peru in search of the Lost City of the Cloud Warriors.

'S2/E1 - Segways and Water Skis'. What do Segways, water balloons and yo-yos have in common? They all pack a powerful punch! Watch as Segway riders ignore the laws of physics and water skiing goes wrong.

'S2/E2 - High Jumps and Shallow Water'. Some people can dive into the sea from giant cliffs and emerge unscathed, while others end up bloody after diving from the bank of a river.

'S1/E5 - Fight's On!'. Defensive dogfighting proves a tough test, as instructors go for the kill.

'S1/E1 - The Hitchhiker'. DNA detectives attempt to identify a victim of serial killer Larry Eyler.

'World's Greatest Train Journeys From Above. S1/E3 - Copper Canyon Railway'. The luxury El Chepe train is a wonder of Mexican engineering that took 100 years to build through the world's largest canyon region: Copper Canyon.

'Life Below Zero: Port Protection Alaska. S6/E2 - Everything Eats Each Other'. When a massive sunken tree blocks the local waterway, Matt Carlson uses his boat and a rope to try to haul the stump to safety.

'S1/E1 - On Patrol 24/7'. The team gets busy with an alleged case of domestic violence, and an attempt to smuggle drugs into the country raises alarm bells at headquarters.

'S18/E1 - Deadly Descent'. En route from Indonesia to Hong Kong, Cathay Pacific Flight 780 is high over the South China Sea when both of the plane's engines fail, turning the Airbus A-330 into a 200-ton glider.

'S2/E6 - Super-Sized Collapse'. Fails include a supermarket collapse, amusement parks ablaze and a tunnel rescue in India.

'S1/E8 - Heat'. This episode tells firsthand stories of an East Coast fishing community facing the end of an industry and an epic heat wave in Montreal.

'Unmasking the Killers of the Third Reich'. Previously unpublished photos unearth the origins of Nazi officials.

'S5/E8 - Scam City'. Mariana heads to Southeast Asia's ground zero for 'pig butchering' scams.

'S2/E4 - Escape From Supermax'. A nationwide FBI hunt ensues when armed robber Roy Harper and murderer John Woolard escape from the notorious Mississippi State Penitentiary.

'S1/E1 - Assassination'. The story of JFK's assassination through the eyes of the secret service agents whose mission was to protect him.

'S2/E6 - Super-Sized Collapse'. Fails include a supermarket collapse, amusement parks ablaze and a tunnel rescue in India.