National Geographic Channel HD Sunday

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An attack forces an American submarine into a disastrous dive, and the crew struggles to regain control while battling a chemical fire that threatens their air supply

The career of a young U-Boat officer begins with promise when he is awarded command of his own submarine, but clashes over Nazi ideology cause tension

After switching from pirate hunter to unpopular pirate captain, William Kidd chased treasure until his fateful trial - where he was charged with murder

The story of pirate-turned-colonial governor Henry Morgan, revealing the circumstances that led him to imprisonment in the Tower of London

The restoration of one of the most iconic castles in the world

Stanley Tucci embarks on a culinary voyage Across five Italian regions, beginning in Tuscany

Stanley Tucci exposes the pioneering spirit of Italy's industrial heartland, where the cuisine and ingredients are defiantly forward-thinking

The construction of the largest battleships ever seen, and fortified bunkers designed to protect German U-boats

Part one of two. The story of the Nazi youth organisation, which was used to indoctrinate German boys in the 1930s and prepare them for the war Hitler was planning

Part two of two. A look at the expansion of the organisation in the build-up to war, and the efforts of the Allies to counter the indoctrination of captured Nazi soldiers

Engineer and explorer Albert Lin heads to the Burkhan Khaldun mountain, as he goes in search of the Mongol leader's body in a bid to preserve his burial site

The rise to power of the leader of the Mongol empire. The first episode focuses on his early life, building alliances and fending off threats from rival tribes

The story of the sinking of the USS Juneau, which left soldiers stranded at sea for eight days, one of whom lost five brothers when the ship went down

For 38 years, the identity of a Texas murder victim has been a mystery. Now, police team up with the DNA Doe Project to find out who she was

Recently recovered film footage of the Zeppelin crash provides a fresh insight into the reasons for the disaster

Documenting the story of the revolutionary Messerschmitt ME 262, which was one of the most technologically advanced aeroplanes of the Second World War and was built in a bat cave

An expose of the medications Adolf Hitler was taking, how much he took and how often, and whether drugs played a role in the Fuhrer's behaviour and actions

Airport workers reunite travellers with their missing items, including a sentimental 40th anniversary gift and a wallet with $1500

When a massive explosion tears a hole in a 747 over Hawaii, the search for answers ultimately leads to a deadly short circuit

Discover how an iconic breakfast cereal, jet-black fettuccine, and gummy peaches are created from raw materials to finished products

Discover how frozen strawberry cheesecake, sea salt caramels, allergen-free snack bars, and a culinary classic are created from raw materials to finished products

The team tries to convince the owner of an old Maryland silk mill to sell the property when one-of-a-kind items are discovered inside

Jay makes a big find under a pile of rubble in an 18th-century mill, including a set of antique tiles with an estimated value of $140 each

A job at an old school house proves lucky for the team when a Second World War Enigma machine worth up to £60,000 is spotted and recovered

Teleshopping.

Teleshopping.

Teleshopping.

Teleshopping.