Nat Geo HD

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+.

Examine the startling events of Helios Flight 522, which crashed into the side of a mountain when all on board inexplicably slipped into unconsciousness. 7+.

Nuclear energy is beneficial, advancing technology in industries like forensics and space through radioisotope generators. (6 of.

Race against time as Tim and Fuzz battle rare parts and complex faults to save a near-extinct Lamborghini and reunite it with its owner. (S14, ep 10) 7+.

A look at how 19 tourists fell to their deaths at an Italian ski resort in 1998 when a military plane accidentally cut a cable supporting their gondola. 7+.

A terrifying story of chaos and confusion emerges as experts investigate a cargo jet that plummeted to Earth in the Swedish Arctic. (S19, ep 2) 7+.

Rauray, Normandy, 1944: British commander John Semken's Sherman faces a German Tiger just 110 metres away. Against all odds, he triumphs, revealing why the Allies were winning. 7+.

After being invaded by the Germans in the west and the Soviets in the east in 1939, the Poles were liberated during the Battle of Barbarossa.

Uncover the secrets behind monuments that reveal ancient ambition, engineering brilliance and stories of power and war. (S1, ep 3) 7+.

The Myth of the Pacific Pirate Ships: Fragments of porcelain and blocks of beeswax lead to a 250-year-old shipwreck and a forgotten trade route of vast cargo ships in the Pacific. 7+.

As the war reaches its endgame, the Western and Soviet Allies race to take Berlin, the heart of Nazi Germany. (S3, 5 of 6) 7+.

Experts are thrown by contradictory evidence as they investigate the fate of Spanair Flight 5022, which crashed in 2008, killing 154 people. 7+.

The most famous shipwreck in the world lies 12,000 feet down in the waters of the Atlantic Ocean. No one has fully recorded the extent of what remains of the Titanic - until now. 7+.

A team of experts use a specially equipped sub to capture the first ever 4k footage of the Titanic in the first manned dives to the ship in nearly 15 years. 7+.

James Cameron explores the enduring myths and mysteries of the shipwreck and mounts tests to see whether Jack could have fit on that raft and survived. 7+.

When a UK billionaire and his family die in an Australian seaplane crash, investigators uncover a minor maintenance issue with deadly consequences. (S22, ep 7) 7+.