National Geographic Channel HD Friday

Teleshopping.

Teleshopping.

How a serious design flaw in a cargo door brought down a DC-10 aircraft, even though it had been identified by investigators as the cause of a similar crash two years earlier

How two almost identical air crashes involving the Boeing 737 signalled the possibility of a mechanical failure throughout the full model range

Journey across Europe to Denmark's Storstrøm Bridge, Castle de Haar and London's Super Sewer, where bold engineering reshapes the continent.

Tim and Fuzz are off to the home counties, where Andy, who has cerebral palsy, awaits with his highly modified 1955 Ford Poplar and a host of problems

The devastating effect of a multiple tornado outbreak in America on April 3, 1974, and the possibility of avoiding such disasters in the future

Facing a cascade of failures and an engine fire, a turboprop is just seconds from the tarmac in Montreal when it flips over and crashes to the ground

Documentary following the German invasion of the USSR during the Second World War, beginning in 1941 with the first steps toward conquer the world's largest country

October 1941, and Hitler believes his triumph over the USSR is imminent, but his murderous madness leads to an apocalypse on the Eastern front

Investigating the Shroud of Turin, the science of jet packs, and ancient cups with unusual holes

Sonar technology is used beneath Normandy's waves for a powerful look at the more than 100 ships wrecked during the largest amphibious invasion ever

In 1940, 400,000 Allied troops find themselves surrounded by Hitler's army at Dunkirk. Can they escape and make it back to Britain unscathed?

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

Rare footage of the most significant events of the Second World War, including the landings on the island of Saipan and D-Day in Normandy

Footage from the end of the Second World War, including the final stages of fighting and America's preparations for dropping the atomic bomb

Wind-powered machines in southern France, including racing catamarans and a record-breaking train

Approaching Taipei in an intensifying electrical storm, China Airlines Flight 676 falls out of the sky, killing all 196 people on board

Dangerous weapons concealed in luggage test airport security and paramedics rush to treat a passenger suspected of having a stroke

Homeland Security Investigations seize cocaine from a beached boat. In Texas, Customs and Border Protection officers uncovered packages of methamphetamine.

Tim and Fuzz are taking on their 100th car, which is also going to be their first electric conversion - a 1978 MG, which the owner inherited from her father

An elderly woman arriving at JFK airport from Peru is supected of carrying drugs concealed in bottles. At MIA, a sting operation is carried out on a shipment of paintings

A look at how certain foods are made in factories, including Canadian whiskey, brioche and vegetable soup

A look at how certain foods are made in factories, including spanakopita, ginger snaps, tartufo and apple juice

Keepers help Katie the koala get better by ingesting her partner's feces. Over at The Wilds, the team welcome several newborn baby takins

At the Wilds, newborn dholes make their entrance. Dr Priya is called in to examine a potentially life-threatening injury on a new baby musk deer

Teleshopping.

Teleshopping.

Teleshopping.

Teleshopping.