National Geographic Channel +1 Friday

Teleshopping.

Teleshopping.

Teleshopping.

Teleshopping.

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A look how certain foods are made in factories, including marshmallow squares, wasabi and mini chocolate croissants

A look how certain foods are made in factories, including Mediterranean flatbread, jam-filled oat bars and crinkled potato chips

Relying on instinct rather than the rulebook, three flights end in tragedy when crews improvise on their final approach

The construction of Hitler's fortified alpine retreat on top of the 6000ft Kehlstein Mountain in Obersalzberg, Bavaria, and how it was defended from Allied bombing

Thord tries to tow out a car that crashed into a field after a snowstorm, while a driver steers his truck off the road to avoid a collision in the north

Fuzz Townshend and Tim Shaw are in Wolverhampton to take on a 1980 Jaguar XJ-S V12, a great British grand tourer that has sadly fallen into neglect

Massive digging machines, from a dragline excavator the size of building that walks between job sites to a new generation of climate friendlier mining monsters

An investigation into the crash of Turkish Airlines Flight 1951 in February 2009, when the plane mysteriously fell from the sky over Amsterdam, killing nine people

Experts race to save the remains of a vast first-century palace buried beneath Rome, uncovering new clues to its fate and its connection to the reputation of Emperor Nero

Explore the Vikings' beginnings in Scandinavia and the attack on the holy island of Lindisfarne that heralded the start of the Viking Age

Fuzz Townshend and Tim Shaw head to Southend-on-Sea, Essex, to rescue a 1974 Corvette Stingray, widely regarded as an all-American muscle car

Italy's Morandi Bridge was an engineering marvel - until it was a national embarrassment. Plus, as impressive as billboards are, they can really come down hard

The investigation into South Korea's worst ever air disaster encounters a problem when the surviving captain's story contradicts air traffic control's account of events

In an epic feat of leadership and perseverance, Antarctic explorer Ernest Shackleton kept his crew alive against all the odds. A century later, explorers search for his lost ship

How Dr Robert Ballard inadvertently located the wreck of the ill-fated liner while conducting a covert investigation for the US Navy during the Cold War

An early-morning flight from Lexington, Kentucky, ends in disaster when a twin-engine jet careens off the tarmac

The story of US Airways Flights 1549, which lost engine power after a collision with a flock of birds, leaving Captain Sully Sullenberger to land the plane on the Hudson River

The lives of Matthew Hopkins and John Stearne, two witch-hunters operating during England's Civil War

The team members find a valuable Windsor icebox, an Edison phonograph and a secret manual for the Boeing B-52 bomber in an old farmhouse

The team evaluates a medieval lance and a 17th-century rapier. Plus, two guns that do not appear to have triggers are analysed

The team discovers a German machine gun, capable of shooting up to 1,500 bullets per minute and some letters from the Civil War

How will a mobile taco van fare at a food truck competition? Meanwhile, can a bakery be able to produce a bespoke desert for a ladies golf tournament?

A Las Vegas crew has just one night to finish a two-day job. Tackling several last-minute wedding cakes they've got no margin for error

It is springtime at the Columbus Zoo, which means annual giraffe checkups with extensive hoof care and more

Out at the Wilds, vets tag newborn Pere David deer. Plus, keepers at the markhor exhibit get ready to welcome a batch of tiny babies