Nat Geo SkyTV

Vanishing Act: Investigators face a baffling mystery when Varig Flight 254 crash-lands in a remote jungle nearly 700 miles off course. (S13, ep 3) 7+

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+

Super-Sized Collapse: An Italian supermarket under construction drastically collapses. Amusement parks become a lot less amusing when fires break out. (S2, ep 6) 7+

Crucifixion Decoded & Bosnian Pyramids: Experts cast new light on Jesus's crucifixion, revealing that the millions who pilgrimage to Jerusalem may be visiting the wrong sites. 7+

Mayan Underworld: Underwater archaeologist Guillermo de Anda follows a trail of evidence across Mexico and Guatemala in search of the Mayan underworld - Xibalba.

Teleshopping.

Teleshopping.

Teleshopping.

Teleshopping. 7+

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Search and Seize: An illegal stockpile is found in Algeciras, a group are caught out by a dangerous tide in Vizcaya and an investigation yields shocking results in Huelva. (S2, ep 8) 7+

Peril Over Pakistan: On final approach to Islamabad in heavy fog, Airblue Flight 202 slams into the Himalayan foothills, killing all onboard. (2 of 10) 7+

The Colosseum and its Beast Hunter: When Rome unveils the Colosseum, at the centre is Carpophorus. Trained in killing wild animals, he becomes a star. (S1, ep 4) 7+

USS Hornet: America Strikes Back: The Petrel team searches for the USS Hornet. The ship's life was cut short when the Hornet sailed into a hornet's nest of Japanese ships. (S1, ep 4) 7+

Astronomical Engineering: In April 1981, the first Space Shuttle launched, ushering a new era of space exploration. Carrying the shuttle was the monstrous NASA Crawler. (S1, ep 1) 7+

Vauxhall Cavalier Turbo: Tim and Fuzz head to Stockport to take on a 1994 Vauxhall Cavalier Turbo, whose owner Darren was left tetraplegic after a horrific accident. (S10, ep 9) 7+

Fatal Climb: A look at the crash of West Caribbean Airways Flight 708 in 2005. Faulty engines and bad weather caused the plane to stall, plummeting 160 people to their deaths. 7+

American Allies: New footage reveals the conflict raging in Asia, Stalingrad and Egypt. While in Europe, the darkest days of the war approach as the Nazis instigate The Final Solution.

Sea of Secrets: The Black Sea is a place of legend, and ships have sailed on its waters for millennia. Three wrecks unlock secrets of this mysterious sea. (S4, ep 5) 7+

Days of Destruction: When a landslip takes out an excavator on a remote forest track, Thord and Bjoern join forces, but the unstable ground threatens the rescue. (S10, 7 of 8) 7+

Urban construction relies on two types of cranes to hoist the next high-rise - but when they fail, they make one big mess. Plus, discover the bad side of escalators. (S1, ep 4) 7+

Head On Collision: When Saudi Airways and Kazakhstan Airlines jets hit each other at 14,000 feet, both planes were sent spiralling to the ground. But what caused their impact? 7+

Divided in Crisis: Air traffic controllers hear an explosion when an Air Algérie flight lifts off. Moments later, the Boeing 737-200 crashes in the Sahara. (3 of 10) 7+

Military Crash Conspiracy: A shocking look at the mysterious crash of Arrow Air Flight 1285, which killed 248 returning American soldiers when it dropped from the sky in 1985. 7+

Call For Help: At night, the fire department receives multiple calls, sending the small crew of volunteers into action to save a historic building and family home. (S1, ep 2)

Edge Of Disaster: Experts investigate the crash of Atlantic Airways Flight 670 which careered off the runway on a Norwegian island in 2006, killing four people. 7+

Hazards: Lightning has struck an incoming flight. As engineers assess the damage, high winds lead to runway closures and another plane starts leaking a potentially dangerous liquid. 7+