National Geographic Channel HD Sunday

Two prairie dogs in search of a burrow fend off enemies including badgers and alpha males defending their territory. Elsewhere, a battle for supremacy begins between father and son

Packed with a double dose of chocolate pudding and cookies, 144,000 pints of this ice cream are made every 12 hours. Plus, how are truffle pig candies mass-produced?

A look how certain foods are made in factories, featuring tofurkey and nutty bars

When wild weather and traffic convoys cause carnage, Thord races against time to rescue stranded drivers

Thord puts his life in danger to rescue one truck that skidded to a stop on the ice, while rookie Raido battles icy conditions to recover a fish truck

The case of a flight that disappeared from radar while headed for Angola. Wreckage was found in a remote Namibian park, presenting NTSB investigators with their largest-ever case

Experts investigate the crash of United Airlines Flight 173 in Oregon, in which 10 people died after four of its engines failed

The moments leading up to the destruction of supposedly unsinkable passenger liner the Titanic, which struck an iceberg on April 14, 1912

Draining off Hawaiian shores reveals Japan's secret weapons, from mini subs to fighter planes, with the wreck of USS Arizona serving as a reminder of the forces unleashed

In April 1940, German battleships attack key Norwegian ports, but the British Navy are on their tail in a fierce fight over control of Norway

Compilation of highlights from the series

The story of the Second World War, featuring haunting images of Jewish persecution and footage of Hitler taken by his partner Eva Braun at his Alpine retreat

The truth behind the defeat of France, featuring footage of German soldiers celebrating on the beaches of Dunkirk, and French civilians fleeing the Nazi advance

How global warming is allowing frigid arctic temperatures to travel south, taking with it epic blizzards, bomb cyclones and frost quakes - and in turn damaging the infrastructure

Strange findings on an island in Indonesia, including terraces shrouded in mystery, hundreds of human remains, and a blood-red beach

Archaeologist Pepi Papakosta goes in search of the conqueror's final resting place in an Egyptian city he founded, discovering a rare marble statue and a network of secret tunnels

Engineer and explorer Albert Lin heads to the Burkhan Khaldun mountain, as he goes in search of the Mongol leader's body in a bid to preserve his burial site

They disappeared without a trace or a soul to tell their tale. Shipwrecks so mysterious, their fate became the stuff of legends, until now.

A terrorist group claims responsibility when a plane crashes 20 minutes after taking off in Egypt, but investigators are not convinced this is what really happened