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A fault on an incoming plane threatens to close the airport. Another technical hitch could cause Cat Stevens to miss his induction into the Rock & Roll Hall of Fame. (S2, ep 6) 7+

Under the Cover of Darkness: The crews pursue drug traffickers approaching the Spanish coast, a different enemy threatens marine life, and the battle against illegal fishing continues. 7+

Stolen Cars: Over 750,000 cars vanish yearly in the U.S. Many end up in Africa, fetching high prices. Mariana tracks the global network profiting from this stolen-car pipeline. 18+

MDMA on the Move: HSI agents execute a controlled delivery of 163 grams of ecstasy. CBP officers in El Paso find 240 grams of fentanyl worth $7,800 abandoned in a bathroom. 7+

Meth in the City: CBP busts drug smuggling in Florida, NYC and San Diego. Ketamine, $100K cocaine, 1.25kg meth delivery and 61.4kg meth seized from a car worth $470K. 7+

The House that Santa Built: Discover how eggnog gets its rich and creamy texture. Plus, a look at how gingerbread houses are built on a foundation of dough and icing. (S2, ep 25) 7+

Yule Love This: Discover how a few simple ingredients produce the complex flavour of crumbly Scottish shortbread and how moist cake and creamy mousse are rolled into Yule logs. 7+

Bedlam in Brazil: Since the '90s, there have been more than 60, often fatal, shark attacks within the Recife area of Brazil. The question is, why? (S6, ep 7) 12+

Australia's Deadliest Coast: In 2010 the number of shark attacks in Western Australia exploded. Join the experts as they try to identify the cause of this change. (S6, ep 8) 12+

Teleshopping.

Teleshopping.

Teleshopping.

Teleshopping.

Your one-stop-shop for all things cruise; bringing you the hottest destinations, ground-breaking ships and the latest deals to ensure your next cruise holiday is your greatest one!

The Longest Journey: It's December 1944, and with a German U-Boat circling for another shot, the crew of a merchant ship must hold out until help arrives. (S3, ep 3) 7+

Instrument Confusion: A Boeing 737 vanishes from radar. Plus, a Korean cargo jet slams into the English countryside just moments after take-off. 7+

Rise of the Roman Empire: Experts learn secrets of the Roman Empire when they uncover one of the oldest shipwrecks in the world. A port lost for centuries is also discovered. 7+

Secrets of the Mummy Tombs: At Oxyrhynchus, a sealed sarcophagus reveals a stunningly preserved mummy. Plus, a team searches for a long-lost burial chamber in Philadelphia. 7+. (S5, ep 4)

The Sinking City: Lightning bolts cause construction mayhem whenever they strike buildings. All over the world, cities are sinking for very different reasons. (S2, ep 5) 7+

Vulcan: When it first flew in 1952, the Avro Vulcan pushed the boundaries of aviation by flying higher and farther than any previous long-range bomber. (2 of 5) 7+

Deadly Solution: An investigation into the fate of Indonesia AirAsia Flight 8501, which crashed into the Java sea with 162 people on board in December 2014. (S15, ep 9) 7+

Japanese Superfortress: A look at how Japanese forces constructed a devastating killing ground for American troops at the Battle of Okinawa. 7+

Hidden Flaws: Investigate shocking structural failures as experts uncover why skyscrapers, landmarks and cranes collapse when design and renovation go wrong. (S3, ep 4) 7+

Ferguson Te20 Tractor: Tim and Fuzz travel to South Yorkshire to pick up a Car SOS first. But it isn't going to be easy to steal it away. 7+

Land Rover Defender: Follow Tim and Fuzz to Northern Ireland as they fight rust and time to save a Land Rover Defender with a heroic rescue past. (S14, ep 8) 7+

System Breakdown: Explore aviation disasters caused by broken communication and see how hard lessons reshaped air traffic control forever. (S1, ep 11) 7+

World War Two left a great number of ships and submarines hidden beneath the waves. If the oceans were drained, what secrets would each vessel reveal? 7+

Investigation into the mysterious disappearance of Nazi submarine U-745 which vanished in 1945. The frozen body of its captain was found on Foglo island. But what had happened? 7+

Cracking the Genetic Code: Nazis conducted horrific experiments on cells and DNA to uncover secrets for creating a so-called pure Aryan race. 12+. (S1, ep 1)

Runway Breakup: The pilots blamed bad weather when their plane slammed into the ground, but investigators discovered a very different cause of the crash. (S19, ep 5)