Nat Geo HD Schedule, Today (United Kingdom)

The security team at El Dorado International Airport stop a young man carrying six kilos of cocaine. Plus, a couple are surprised when they find drugs in their suitcase. Rating: 12+

Not My Meth: A mother travelling with her children to El Paso is caught with kilos of cocaine hidden in her car, while a boat carrying 388 kilos is chased down. 7+. (S7, ep 2)

Maine Paper Factory: The team search a sprawling disused paper factory. But with plans to turn it into a museum, will its owners be willing to sell its many treasures? (S1, ep 4). All Ages.

Mississippi Homestead: The guys hit the jackpot in an old farmhouse, finding a Windsor icebox, an Edison phonograph and a secret manual for the Boeing B-52 bomber. (S1, ep 5). All Ages.

Slaw & Soup: Visit the factory churning out a million mini cheeses every day, meet the famous face behind Soupman and try a revolutionary new condiment. U. (S2, ep 12)

Tomatoes & Cheese Sticks: How do you get tomatoes to ripen twice as fast as usual? Or transform 100,000 pounds of cheese into mozzarella sticks every day? Find out here. U. (S2, ep 13)

Itchy Trigger Finger: Sean and his crackerjack team of military experts evaluate a medieval joust, a 17th century rapier, and two guns that don't appear to have triggers. All ages.

Hitler's Buzzsaw: Adrian finds and fires a German machine gun, capable of shooting up to 1,500 bullets per minute. Hammer unearths some amazing letters from the Civil War. All ages.

We Boa-Long Together: A pregnant boa constrictor is covered in mites, an opossum has an infected tail and Quack the duck has an unwanted face piercing. RATING: AA (S2, ep 5)

Teleshopping.

From Sugar with Love: Discover how zesty peppermint puff hard candies, flaky cheese straws, fruity mango chutney, and sugary love hearts get to the masses. (S2, ep 10) RATING: AA

Colourful Candy: Discover how sugary, shiny sweets, cool and refreshing iced green tea, and rich and luscious shredded cheese get made. (S2, ep 11) RATING: AA

Enigma Capture: September 1939. The life of German U-Boat Commander Fritz Julius Lemp takes a series of dramatic turns as he risks the wrath of Adolf Hitler. All ages. (S3, ep 2)

Commander Down: After facing down three destroyers in the Japanese occupied harbour of Kiska, Alaska, an American submarine takes the fight to the south Pacific. All ages. (S3, ep 5)

Hell in Hoven: Five months after D-Day, the war finally reaches German soil as British soldiers fight in the shadow of Hitler's infamous Siegfried Line. RATING: NU12 (S3, ep 2)

Frozen Offensive: A US Parachute Infantry Regiment protects a critical bridge from a Nazi battle group during the opening days of the Battle of the Bulge. RATING: NU12 (S3, ep 5)

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

Hitler's Jet Caves: Discover the Messerschmitt Me 262. One of the most technologically advanced aeroplanes of World War II, it was built in a subterranean cave. 7+. All ages.

Terror over Egypt: Terrorists claimed responsibility when Metrojet 9268 broke up in the air after leaving Sharm el Sheikh. But can experts prove what really happened? (S16, ep 5) RATING: AA

High Rise Catastrophe: Investigators uncover a problem threatening every 747 in the sky as they delve into the worst aviation disaster ever to occur in the Netherlands. RATING: AA

Hudson Splash Down: A look into US Airways Flight #1549's ditch in the Hudson river. Just after take-off, its engines were crippled when it flew into a flock of birds. (S9, ep 5) RATING: AA

Unknown Waters: The trek to the edge of the Amazon, near the southernmost border of Brazil, is rife with danger. Fishing from the shore, Cyril hooks a motoro stingray. 7+. (S3, ep 5)

Paris Train Crash: The worst rail disaster in French history happened on 27 June 1988, when an out of control train careered into a packed Gare de Lyon platform. How did it all go wrong?

Hell or High Water: Sir Ranulph Fiennes and his cousin, actor Joseph Fiennes, travel through British Columbia, canoeing on a waterfall and abseiling down a glacier. 7+. (1 of 2)

North Sea Nightmare: When a high-tech turboprop is struck by lightning, it plunges into a terrifying nosedive. Seconds before impact, the crew regain control. What happened? RATING: NU7

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)

In August 2000, twelve British soldiers were captured by rebel militia in Sierra Leone. After tense negotiations failed, Special Forces mounted a daring rescue mission.