Nat Geo HD

Since the dawn of time, humans have risked all to travel the seas. Now, new technologies have broken the barriers to extreme water travel. (S1, ep 2) 7+.

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As a Coastguard naval vessel attempts to intercept a drug boat, the crew of a helicopter is called out to perform a dangerous rescue. 7+.

Aeroperú Flight 603 crashed into the ocean in October 1996, killing 70 onboard. The crew received false speed and altitude readings due to leftover duct tape. (7 of 10) 7+.

Technology reveals a hotbed of volcanoes and earthquakes under the Pacific ocean, including catastrophic threats lying off Seattle and New Zealand. (S1, ep 1) 7+.

Revenant Skeleton, Spy Cam, Shakespearean Mangle: Why is a skeleton found with a blade across its stomach, a stone on its neck and a strange green colour in its mouth? (S3, ep 6) 7+.

Three Mile Island, Mont Blanc Tunnel, Sampoong Mall: How did a nuclear reactor at Three Mile Island melt down? And how did a small truck fire become a lethal inferno? 7+. (3 of.

Rock drummer Fuzz Townshend joins presenter Tim Shaw on a series of secret fix-up missions, wowing British car owners with expert revamps of their iconic motors. 7+.

Landing at LAX, US Air 1493 collided with another aircraft and burst into flames. 21 passengers were unable to escape - investigators need to figure out why. 7+.

When it first flew in 1952, the Avro Vulcan pushed the boundaries of aviation by flying higher and farther than any previous long-range bomber. (2 of 5) 7+.

A gas leak caused a explosion in a commercial building in San Juan, killing 33 people. Could the blast have been prevented? Was negligence to blame? 7+.

Car SOS tackles a 2002 Suzuki Jimny, gifted to retired NHS nurse Joanna by her late father. A cherished 4x4, filled with memories, gets new life. (S13, 9 of 10) 7+.

Baggage manager Brodie races against the clock to reunite a passenger with their lost luggage and an airport visitor faces an unexpected mishap. (S1, ep 8) 7+.

Travelling home from a European Cup match in 1958, the plane carrying Matt Busby's Manchester Utd football team crashed on take-off, killing 23 on board.

Moments after taking off from the Norwegian island of Vaeroy, a turboprop plunges into the North Atlantic. (8 of 10) 7+.

The US Coast Guard stops smugglers with over 13,000 kilos of cocaine at sea and transfers custody to Homeland Security Investigations for prosecution. (4 of 8) 7+.

While hunting for evidence in a possible case of poaching, conservation officer Logan encounters a potentially life-threatening situation with two aggressive bears.

The pilots blamed the weather when USAir Flight 1016 fell from the sky, killing 37 people. But were severe rains only part of the story? (S16, ep 6) 7+.