Follows the story of "Grizzly Man" Timothy Treadwell and what the thirteen summers in a National Park in Alaska were like in his 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.

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 tr...

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

Our love affair with dolphins began with 'Flipper' and ended in a multi-million dollar industry of abuse. From the dazzling sea shows where dolphins are driven to suicide, to an annual dolphin slaughter in a small cove in Japan, 'Saving Flipper' reveals the nightmare behind the dolphin's indelible smile.

William Shatner sits down with scientists, innovators and celebrities to discuss how the optimism of 'Star Trek' influenced multiple generations.