Nat Geo HD Schedule, Today (United Kingdom)

Internal Investigation: A frequent visitor to Colombia is questioned at Miami International Airport. Meanwhile, past drug use comes back to haunt a passenger at JFK. (S1, ep 1). All Ages.

Tex Meth: Meet the traffickers and runners delivering meth to the music-loving masses in Austin. On the border, officials are fighting to cut off the supply. (S7, ep 6) RATING: NU18

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)

Salty and Sweet: Discover how decadent doughnuts, rich and silky ice cream, spicy hot Korean kimchi, and flaky kosher salt gets to the masses. (S2, ep 1) RATING: AA

Food Fortunes: Discover the secrets behind foods as diverse as salsa, ice cream sandwiches, oka cheese and fortune cookies. (S2, ep 2) RATING: AA

New York Masonic Lodge: Salvage experts Dan, Mark and Jay head to the barns where the Chrysler motor franchise began - a gold pot of vintage vehicles and signs. (S1, ep 10). All Ages.

Hot Springs Hotel: The team head to Hot Springs, where they search for profits among the rooms of the Majestic Hotel, famous for hosting Babe Ruth and Al Capone. (S1, ep 5). All Ages.

Call of the Flamingo: At the Columbus Zoo, medical staff investigate the mystery behind an adult male flamingo with a muted call. RATING: AA (S1, ep 3)

Giraffe Goals: Everyone at the Columbus Zoo is waiting for the first baby giraffe to be born in over 20 years. RATING: AA (S1, ep 4)

Teleshopping.

Teleshopping.

Teleshopping.

Teleshopping.

Teleshopping.

Pop Goes the Cake: Get an insider's look at the making of ice cream cake and tartar sauce, and discover how slabs of cake become bite-sized cake pops. RATING: AA. (S4, ep 1)

Gold Bars: Get an insider's look at the making of polenta crisps, Alfredo risotto, Caribbean-inspired candy bars, and maple Danish pastries. RATING: AA. (S4, ep 2)

Fatal Focus: Experts make an astonishing find as they investigate the fate of Garuda Indonesia Flight 200, which crashed in 2007 killing 21 of the 140 people on board. RATING: AA

Kamikaze Suicide Bombers: Attention turns to one of the most fearsome weapons of war, the Kamikaze, a tactic explored by the Nazis and perfected by the Japanese. All ages.

How to Make a Fortune: How did history's richest get their wealth, how did they spend it and did it really buy happiness? U. (S1, ep 5)

Ultimate Reveals Three: Tim and Fuzz will guide us through more of their favourite moments, using all their guile to get much-loved motors back on the road. 16+. (S5, ep 2 of 4)

Asleep on Lots of Coke: PR AMO agents seize $41M worth of cocaine on a boat in Vieques. CBP investigate money smugglers in Philadelphia and find cocaine in a car in San Diego. U. (S6, ep 2)

On 20 August 2007, China Airlines Flight 120 catches fire and explodes shortly after landing and taxiing to the gate area at Naha Airport in Okinawa, Japan. All Ages.

Super Tanks: The story of how Nazi engineers responded to Hitler's megalomaniac vision by building some of the largest tanks and land battleships. All ages.

The Alamo: Drowned shipwrecks and lost battlefields reveal secrets of America's most famous siege and tell how Texas, against all odds, secured its independence. U.

Ford Fiesta XR2: When Brian started suffering from health problems, the project of restoring his XR2 to show-winning condition ground to a halt - so in stepped Tim and Fuzz. U. (S12, ep 4)

Pyramid Tomb Raiders: Discover how robbers looted the pyramids and tombs of ancient Egypt, and what clues they left behind. All ages. (S3, ep 7)

Holding Pattern: When Flydubai Flight 981 nosedives into Rostov Airport's runway, investigators uncover one of the most lethal traps in aviation. All ages. (S21, ep 1)

...Reich. The Ascent: Follow Adolf Hitler's dramatic ascent as he first becomes chancellor, and then the Führer of Germany. 12+. (S1, ep 2)

Road to Rome: It's September 1943 and Operation Avalanche is underway. But, the battle through Italy to liberate Rome will be one of the longest and bloodiest campaigns of the war. U.

D-Day: Idris Elba unearths the stories of three heroes - these men were part of the only all-black combat unit to land on the Normandy beaches on D-Day. (1 of 4)

Cockpit Failure: Minutes before landing, the pilots of Berlin to Zurich Crossair Flight #359 couldn't find the runway or get their jet to climb and crashed. (S9, ep 1) RATING: AA