The Mating Game

In 2009 a team of British cavers went on an expedition deep within the jungle of central Vietnam. To their amazement they discovered an enormous cave which they believe to be the biggest in the world. The team, the first humans ever to enter the cave, traveled 6 kilometers underground until their way was blocked by a gigantic rock face they dubbed 'The Great Wall of Vietnam'. Now they have returned, but this time with the right equipment to climb the wall and with a geologist and zoologist to discover if this is indeed the Biggest Cave in the World and what secrets lie deep within?

Isolated from the rest of the world since the time of the dinosaurs, New Zealand’s magnificent wildlife has been left to its own devices for 80 million years, with surprising consequences. This series reveals New Zealand’s rich and intriguing wildlife stories, from the bustling communities of penguins hiding away in giant daisy forests to the kakapo – Earth’s only species of flightless nocturnal parrots. New Zealand was also the last place to be discovered and settled by people who brought with them new animals, like merino sheep and new predators like the stoat. Finally the series meets the pioneering conservation heroes who are fighting to save some of its most endangered species.

The old spirit of the Yukon returns as Dawson City prepares for its Discovery Day celebrations. Witness a round of nostalgic scenes: a main street parade, refurbished saloons, the can-can. Time recedes as the film explores the hazardous mountain passes and the golden creek of Eldorado.

In the Bible, God destroys the sinful cities of Sodom and Gomorrah and sides with Joshua to conquer another misbehaving city: Jericho. Are these stories true or simply moral fables? Archaeological and geological evidence holds the answer.

Explores the elemental phenomenon of sound and its power to bend time, cross borders, and profoundly shape our perception of the world around us.

Two otter pups have been carefully watched over by their mother for a year, but her tireless work will soon come to an end. From here on the pups will have to fend for themselves, one day maybe starting an otter family of their own.

Juana, Mar, and Eduardo tell their stories of abuse.

Werner Herzog's documentary film about the "Grizzly Man" Timothy Treadwell and what the thirteen summers in a National Park in Alaska were like in one man's attempt to protect the grizzly bears. The film is full of unique images and a look into the spirit of a man who sacrificed himself for nature.

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

Every year, thousands of Antarctica's emperor penguins make an astonishing journey to breed their young. They walk, marching day and night in single file 70 miles into the darkest, driest and coldest continent on Earth. This amazing, true-life tale is touched with humour and alive with thrills. Breathtaking photography captures the transcendent beauty and staggering drama of devoted parent penguins who, in the fierce polar winter, take turns guarding their egg and trekking to the ocean in search of food. Predators hunt them, storms lash them. But the safety of their adorable chicks makes it all worthwhile. So follow the leader... to adventure!!