Nat Geo HD

Tragedy In The Air: F1 driver Niki Lauda investigates the fate of Lauda Air Flight 004, uncovering a design flaw that could affect planes globally. (S13, ep 2) 7+.

Mother Nature's game is not for the weak or unprepared and the next generation of Alaskans must rise to the occasion.

A drug vehicle unloads in a parking lot and the driver flees on foot. Meanwhile, a second stash of cocaine is found in a storage unit. 7+.

At LAX, CBP dismantles a shipment with 66 kilos of meth worth $509,000 and a music festival draws travellers with illegal promethazine and firearms. 7+.

Dave hopes to find hidden gold in a former jewellery store. Plus, Rich makes an unlikely find when he clears out an antique dealer's storage locker. 7+.

Rich hunts for old rocket parts under the belief they are made from precious metal. Plus, how much can Dave make from the silver found on old photo paper? 7+.

Get to grips with Hot Tamales and cheese crisps, and visit a state-of-the-art factory that produces 1.5 billion chocolate truffles a year. (S4, ep 12) 7+.

Sink your teeth into Indian cashew candy, cookies and tropical smoothies and learn how to produce 500,000 chocolate bars a day. (S4, ep 13) 7+.

The beaches of North Carolina are the site of four shark attacks, and experts are determined to find out why. (S6, ep 11) 12+.

In 2010, the peace enjoyed by visitors and residents alike was suddenly shattered by a shocking shark attack - the first ever recorded along its coast. 12+.

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Chris discovers there's nothing like a war to get an inventor's cogs going, as he investigates fire pumps, radar, shrapnel-proof fire engines and tractors. 7+.

Sriwijaya Air Flight 182 crashed into the Java Sea after a hard left bank, revealing deadly defects in the investigation that followed. (S24, ep 2 of 10) 7+.

A tense look at the worst nuclear incident since Chernobyl. As a tsunami hit the Fukushima power plant in 2011, explosions tore the site apart, releasing lethal radiation. 7+.

German U-Boat commander Gunther Prien is recalled from patrol early and offered a secret mission to strike the Royal Navy at its home port. (S3, ep 1) 7+.

German and Italian tanks roll into British-controlled Egypt in a bid to capture the vital Allied supply route through the Suez Canal. (S3, ep 3 of 6) 7+.

Approaching Taipei in an intensifying electrical storm, China Airlines Flight 676 falls out of the sky, killing all 196 people on board. But why? (10 of 10) 7+.

On 3 January 2004, Flash Airlines flight 604 took off from Sharm el-Sheikh; moments later it crashed into the Red Sea. But what happened? 7+.

Resistance fighters in German-occupied nations risk all to assassinate Hitler. Experts reveal the plot details of each mission. (S1, ep 2) 7+.

In lakes and rivers of the modern United States, teams of explorers are discovering forgotten shipwrecks from the American Revolution. 7+.

When a truck driver refuses help after sliding to a standstill, he creates chaos on the main road. Plus, a gritter falls victim to the ice. (S9, ep 6) 7+.

A look at Nazi seafaring super weapon Type 21. A speedy submarine with phenomenal firepower, it was set to outperform any U-boat that had come before. 7+.

On 3 January 2004, Flash Airlines flight 604 took off from Sharm el-Sheikh; moments later it crashed into the Red Sea. But what happened? 7+.

Commercial flying is changed forever when investigators discover what caused Continental Airlines Flight 1713 to crash during heavy snow. (S17, ep 10) 7+.

In 1985, the deadliest year in civilian aviation, a DC-9 commuter plane crashes seconds after take-off from Milwaukee. (S24, 6 of 10) 7+.

Experts investigate the cause behind the devastating storm that ravaged New York. 7+.

Investigators face a baffling mystery when Varig Flight 254 crash-lands in a remote jungle nearly 700 miles off course. (S13, ep 3) 7+.