National Geographic Channel HD Saturday

Teleshopping.

Teleshopping. U.

Tunnels are engineering marvels, cutting through the landscape and creating direct routes - until they cave in. Plus, a sudden bridge collapse in Miami

When a UK power station reached the end of the road, it took all the power with it. Plus, disasters involving landslides, tyres and inevitable human error

Richard Hammond uses science and home footage to reveal the humiliating and painful potential of karate kicks, snowboarding on water and urban-biking bunny hops

Richard Hammond uses science and home footage to reveal the humiliating and painful potential of scooter stunts, break-dancing and swinging on ropes

At Rome's Fiumicino Airport, Border Police stop a father and son travelling with fake passports, and a Bulgarian woman who has been flagged by police remains defiant

At Italy's busiest airport, police seize cocaine soaked in pyjamas and hidden in a stuffed animal. Elsewhere, passengers are stopped at immigration

Fuzz Townshend and Tim Shaw secretly restore a classic 1965 Mercedes-Benz 230SL, which the owner had to abandon as a project after suffering a heart attack

Tim and Fuzz take on a wreck of a VW Dune Buggy, owned by a father of three from East Yorkshire

Exploring the sea bed

Former racing driver Niki Lauda, the founder of Lauda Air, joins forces with investigators looking into the crash of Lauda Air Flight 004 of May 1991

How a China Airlines 747 broke up in mid-air in 2002. Examination of the wreckage showed the cause was a single piece of patched-up hull

The Boeing 737 that crash-landed on the M1 in Leicestershire in 1989, resulting in the deaths of 46 people. The programme asks why the pilots shut down the only working engine

Tim Shaw and Fuzz Townshend head to Kent to rescue a 1973 Dennis fire engine belonging to firefighter James, whose father died of cancer

Fuzz Townshend and Tim Shaw work on a year 2000 Ford Mondeo, the property of a widowed father of two who is unable to work on the car after three years of personal tragedy

Fuzz Townshend and Tim Shaw secretly fix up an Italian car enthusiast's rusty World Rally-winning pride and joy. But when tragedy strikes, the job takes on a very different meaning

The life of Sally Ride, America's first female astronaut, with contributions from her secret long-term partner tennis player Tam O'Shaughnessy

The darker side of space exploration, with a look at the Apollo 1 tragedy, and the Challenger and Columbia space shuttle disasters

A reconstruction of Korean Air Cargo Flight 8509's accident in December 1999, when the aircraft crashed into a forest shortly after taking off from Stansted Airport

Security staff accompany two undocumented migrants to the asylum seekers application centre, while travelers are reunited with their property in lost and found

A look at how certain foods are made in factories, including peanut buttercups and pasta sauce

An insight into the manufacturing processes behind healthy muffins and red-hot candies

The team test the firepower of a 1907 Winchester and an American revolution blunderbuss pistol at auctions in Houston

Sean meets a man who spent years unknowingly playing with an incredibly valuable toy and finds a veteran who owns one of his favourite weapons

It's baby boom time on Africa's vast Serengeti Plain. One million wildebeest halt their migration to give birth. And there are predators everywhere

Teleshopping.

Teleshopping.

Teleshopping.

Teleshopping.