Nature: Great Zebra Exodus

Shot on the Great Barrier Reef in Australia and in the Bahamas, Ocean Wonderland brings to you the amazing beauty of the many varieties of coral and the immense diversity of the marine life thriving there.

In this fascinating program, learn about one of the most feared and respected members of the animal kingdom – Bears! See a side of these magnificent animals that few rarely see – a bear ripping apart a log; cubs playfully exploring the treetops; a grizzly bear tracking his prey. From the Black Bears of the Great Smoky Mountains, Sequoia and Yosemite, to the Grizzlies of Yellowstone and Glacier, America’s national parks contain the last safe havens of bear habitat in the lower 48 states. Bear expert Gary Brown tells of fascinating bear facts and explains the challenges facing both bear and man to co-exist.

A look at the world of squirrels in the forests of Alabama

Charlotte Uhlenbroek travels to Madagascar to follow the story of three mother ring-tailed lemurs struggling to survive one of the driest and hottest seasons in decades. One lemur has already lost her baby, the other two have a fight on their hands if their infants are to stand a chance, and matters are made even worse when neighbouring lemur tribes invade the mothers' territories.

By land, by air, and by sea, viewers can now experience the struggle that millions of creatures endure in the name of migration as wildlife photographers show just how deeply survival instincts have become ingrained into to the animals of planet Earth. From the monarch butterflies that swarm the highlands of Mexico to the birds who navigate by the stars and the millions of red crabs who make the perilous land journey across Christmas Island, this release offers a look at animal instinct in it's purest form.

The epic story of the life of a volcano, capable of both causing the extinction of all things and helping the evolution of species, over 60 million years.

This astounding documentary delves into the mysteries of the Tunguska event – one of the largest cosmic disasters in the history of civilisation. At 7.15 am, on 30th June 1908, a giant fireball, as bright the sun, exploded in the sky over Tunguska in central Siberia. Its force was equivalent to twenty million tonnes of TNT, and a thousand times greater than that of the atomic bomb dropped on Hiroshima in 1945. An estimated sixty million trees were felled over an area of over two thousand square kilometres - an area over half the size of Rhode Island. If the explosion had occurred over London or Paris, hundreds of thousands of people would have been killed.

We take our features, our noses, eyes, and ears for granted, but they are pretty weird things until you look at the nose of a tapir or desman, the eyes of a cuttlefish or chameleon, or the ears of a seal or elephant. There is an almost endless variety of designs, and some are downright odd!

New Zealand is one of the most remote countries in the world. Owing to the great distance from continents and, as a result of intense volcanic activity, unique flora and fauna as well as extraordinary landscapes have developed in this island country. The settlement of humans over the centuries has naturally also had an influence on the landscape. This film is an invitation to travel across the diverse landscapes of New Zealand.

A documentary on Al Gore's campaign to make the issue of global warming a recognized problem worldwide.