Nat Geo HD Schedule, Today (United Kingdom)

Love Behind Bars: After smuggling drugs for eighteen months, Anelda Mare decides to quit, only to be told her parents will be killed unless she makes one last run. 16+. (S15, ep 1)

Coked-Up Oatmeal: Homeland Security Investigations seizes over 30 kilos of meth and fentanyl, while CBP finds bricks of cocaine hidden in oatmeal boxes from Guatemala. 7+. (S7, ep 5)

Space Rockets: Discover the story of how space rockets are built - from metal sheets to a 1.3-million pound-heavy service to the stars - with US rocket builder ULA. (S1, ep 7)

Blunderbuss Blowout: Sean stumbles on a 1700s blunderbuss, a huge gun used by pirates to debilitate treasure ships. He also examines a potentially-priceless WWI helmet. All ages.

Da Vinci's Killer Pistol: Sean finds an old wheelock which Leonardo da Vinci allegedly helped to design. If the rumours turn out to be true, it could be worth a fortune. All ages.

Get Fruity: Take a look at how gigantic batches of some of your favourites are made, from fruit candy to chicken soup! Suitable for all audiences. All ages.

Halloween Special 1: Discover the magic of making peanut brittle and bagels! Suitable for all audiences. All ages.

Downward Facing Elephant: At the Columbus Zoo, there's a gator on the loose and Hank the elephant practices his yoga. At The Wilds, an African painted dog overheats. RATING: AA (S1, ep 5)

Bon Voyage Bears: The staff at the Columbus Zoo say goodbye to their polar bears Neva and Amelia Gray before they head off to the Maryland Zoo. RATING: AA (S1, ep 6)

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Sneakers: New Balance reveal how high-tech machinery, hand-crafting skills and global logistics combine to make their best-selling sneaker across the world. (S1, ep 3) All ages.

SUVs: Jeep is the original all-terrain car maker. Here, unprecedented access to the brand's Ohio factory lifts the lid on how the iconic 4x4 Jeep Wrangler is made. (S1, ep 10)

End of a Sea Monster Season: In the final days of the season, three former champions battle it out for the top spot - with major fish to catch and major money to earn. 16+. (S13, ep 12)

Hitler's War Trains: A look at how Hitler's vast network of railways became the lifeblood of the Nazi empire, spreading Hitler's ambition and control across Europe. (S4, ep 1) RATING: AA

Luftwaffe: Fast tracked by Hitler, the Luftwaffe grew from nothing into an advanced air force that contained some of the deadliest technology of World War II. 12+.

Chaos in Command: After their first war patrol ends in conflict, a new submarine Commander must build trust as they travel to target enemies in dangerous Japanese waters. 7+. (5 of 6)

Nazi Secrets: Marine archaeologists investigate the lost wrecks of World War II as they investigate the Nazi secrets that are hidden under water. (S1, ep 2) RATING: AA

Conquering Living Space: It's June 1941, and Hitler is busy invading the USSR. He's eager to conquer this 'living space'. All ages. (S1, ep 1)

The Decisive Fight: In October 1941, Hitler thinks his victory over the USSR is imminent, but his madness leads to an apocalypse on the Eastern front. All ages. (S1, ep 2)

Killer Causeway: In the aftermath of the D-Day landings, Nazi paratroopers try to defend Carentan and prevent US forces from regrouping on Utah and Omaha Beaches. 12+. (S4, ep 1)

Bunker Blitz: As the war finally arrives on German soil, US soldiers must smash through two layers of the infamous Siegfried Line to seize the city of Aachen. 12+. (S4, ep 2)

Did drugs affect Hitler's actions and behaviour? Find out in this compelling documentary examining the medications the dictator was taking, how much he took and how often.

Motorway Plane Crash: On January 8, 1989, a Boeing 737 crash-landed on the M1, killing 46 people. Why did the pilots turn off the only working engine, and how did so many survive?. All ages

Cockpit Killer: Rangers discover the wreckage from a missing plane. After ruling out a host of possible causes, investigators come to a chilling conclusion. RATING: AA (S19, ep 9)

Massacre Over The Mediterranean: In 1980, Itavia Flight 870 exploded over the sea. After 30 years of investigations, experts reveal the truth behind the mysterious disaster. RATING: AA

Qantas 32: Titanic In The Sky: On 4 November 2010, the pilots of Qantas Flight 32 had to deal with a series of failures when an explosion tore apart an engine on their A380. RATING: AA

The One That Got Away: SAS commando Chris Ryan tells of how he had to race 200 miles across the desert to evade Iraqi forces when a mission went awry in 1991. (S1, ep 1)