Nat Geo SkyTV

Pacific Plunge: When Alaska Airlines Flight 261 suddenly nosedives into the Pacific, investigators uncover a critical maintenance issue. (S21, ep 5) 7+

A problem with immigration means that Cat Stevens could miss his introduction to the Rock and Roll Hall of Fame. Plus, staff worry a sick passenger could have ebola. (1 of 8) 7+

Marti Peterson: Widowed by a fallen CIA officer, a woman steps into espionage, becoming the trailblazing spy undercover in Moscow during the Cold War era... (S1, ep 1)

Trial by Ocean: Hazen Audel faces exposure, exhaustion, tropical sea storms and deadly octopus as he boats to remote parts of the Western Pacific's Coral Triangle. (1 of 8) 7+

Million Dollar Manor: Lee is promised a share of the spoils as he arrives at a Maine mansion containing a lost gold coin worth thousands and an antique Chris-Craft boat. 7+

Campus Cash Cow: The Danley Demolition crew blind bid on a 1920s building on the University of New Hampshire campus. What treasures lurk inside the former farmhouse? 7+

My Cup Runeth Over: Discover the tantalizing story of puttanesca pasta sauce, nutty almond cookies, roasted vegetable souffle and more. (S4, ep 11) 7+

Chocolate Under Wraps: Get to grips with Hot Tamales and cheese crisps, and visit a state-of-the-art factory that produces 1.5 billion chocolate truffles a year. (S4, ep 12) 7+

Karma Chameleon: Dr W examines Toothless, a chameleon with a swollen eye. Dr K meets Snowball the pine snake, who has stopped laying her eggs. (S1, ep 8) 7+

Who Let The Hogs Out: Biggie is a rescued potbellied pig whose eyes are irritated. Dr K gives him one of her special piggy eye lifts. (S1, ep 9) 12+

Teleshopping.

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Greek Islands: Uncover the beauty of the Santorini skyline, Corfu's Venetian fortress and a summer festival with a fiery twist on the island of Spetses. (2 of 6) 7+

War Zone: Mistaken identity and hostile fire over enemy territory are among the many risks that pilots face in war zones around the world. (S5, ep 1) 7+

The Wild West: Uncovered clues from a battleground, a 19th-century steamboat and a frontier ghost town reveal surprising truths about the Wild West. (S4, ep 2) 7+

Legend of the Pyramid Kings: Archaeologists investigate the mysterious Kings of Egypt's Pyramid Age, and discover a lost temple, buried for more than four thousand years. 7+

Hunt for Hitler's Bismarck: A fearsome new Nazi battleship, sets sail for the Atlantic with a mission to destroy Allied supply ships. (S3, 2 of 6) 7+

Shortly after take off a cargo flight loses its right engine and slams into an apartment block in Amsterdam. Was it an attack, mechanical failure or an accident? 7+

Free Fall: Experts investigate the mysterious malfunction that caused Qantas Airways Flight 72 to take a sudden nosedive over the Indian Ocean. (S17, ep 7) 7+

Hell Island: The fight for Guadalcanal kick-started one of the bloodiest episode of World War II as Japan and the US clashed over control of the prized Pacific island. 7+

Nighthawk: Uncover the story of the F117 Nighthawk, the first stealth jet, through rare Skunk Works footage and pilot accounts of its Gulf War missions. (4 of 5) 7+

Next Generation: Baggage manager Brodie faces the challenge of handling 2,000 bags during a system upgrade. A father and son pilot duo tackle a new flight simulator. (S1, ep 5) 7+

Nazis Strike Back: Hitler launches a surprise offensive in the Ardennes as he tries to retake Antwerp. US forces fight to extinction at Bastogne as they bid to slow his advance.

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+

Sardinia: Stanley immerses himself in the myths and mysteries of the island, uncovering a distinctive cuisine shaped by dramatic landscapes and traditions. (S2, ep 4) 7+

The Amber Room: The discovery of a wreck in the Baltic Sea leads to a treasure hunt, but what they find is even more precious: the story of Germany's 'Dunkirk'. 7+

Acts of Resistance: Allied forces fight back as Nazis invade Norway and chase a bomb. From missions to Stalingrad's brutal frontline, this is WWII at its deadliest. (S2, ep 1)

Terror Over Michigan: After a Boeing 727's near-fatal nosedive over Michigan, investigators risk their own lives to determine why the plane fell out of the sky. (S21, ep 6) 7+