National Geographic Channel HD Tuesday

German investigators are stumped when two planes collide while flying in the skies over southern Germany

Disasters explored through archive footage and CGI reconstructions. This episode features the 10 worst crashes in motorsport history

After dangerously undercutting its rivals at auction, the Danley Demolition team tries to salvage valuables from an old boarding house

Rich gets access to a manufacturing equipment warehouse and finds a robotic arm, while Dave searches old cars for catalytic converters that contain valuable platinum

Dave tries to get his hands on some old gold-mining equipment, believing it may still contain fragments of the precious metal. Rich gets the chance to search an old building

Pickled asparagus, chilli-chocolate caramels, chocolate coffee syrup, ready-to-eat beetroots are made, from raw materials to finished products

We celebrate the winter holidays with treats for everyone: organic pannetone with a 20 year old starter and delicious Lady Fortune's hand-crafted Christmas cake pops

A star duck has a mysterious leg injury. Meanwhile, Zucchini the beaver is overdue at the dentist and an unwell onager at the Wilds is in for an exam

Monkey the anxious bush baby has been harming his tail. Will Dr K have to amputate?

U. Teleshopping.

U. Teleshopping.