Documentary exploring the hundreds of species of life that thrive in total darkness at the hydrothermal vents along the Mid-Ocean Ridge, several miles below the ocean surface. Little food filters down from the surface and there is no sunlight to support photosynthesis.

By the end of the Ice Age - only ten thousand years ago - many great mammals had died out. The woolly mammoth, the dire wolf, the saber-tooth cat and others disappeared as a result of severe climatic changes that engulfed the planet. And yet other animals persevered. Today, they go on in dwindling numbers as the last of the Ice Age survivors. Scientists are piecing together their past while others work to safeguard the future of these living relics. Despite climate changes over the past 15,000 years and human predation, their descendants persist in a few unspoiled regions of the globe.

Filmed by Emmy Award-winning cinematographer Al Giddings, this timeless program takes a stirring look at the largest, tallest, longest-living things on the planet: trees. Stunning location footage captures the variety and the grandeur of the Pacific Northwest, the Florida Everglades, the Shenandoah Valley, and the Great Sonoran Desert. Quotations from Sierra Club founder John Muir and others who revere nature are interwoven with information on topics ranging from the function of forest ecosystems, to the effects of deforestation, to the integration of parks into urban landscapes.

The Balkans cradles Europe's last wild rivers and supports abundant wildlife and healthy, intact ecosystems. These rivers are "The Undamaged" – clean, pristine, and undammed. With over 2,700 small and large hydro power plants planned or under construction in the Balkans, corruption and greed are destroying the last free-flowing rivers of Europe. Follow the Balkan Rivers Tour, a rowdy crew of whitewater kayakers, filmers, photographers and friends who decided to stand up for the rivers, travelling from Slovenia to Albania for 36 days, kayaking 23 rivers in 6 countries to protest the dams and show the world the secret wild rivers of the Balkans. The film honours everyday people and local activists who are fighting to defend rivers and aims to spread the word of the plight of these rivers, showing a new style of nature conservation that is fun, energetic and effective.

Jane Goodall has spent five years observing the chimps in Tanzania (formerly Tanganyika), Africa. One of her discoveries is that they use primitive tools. The film shows the life of the chimps. Retrospective note: This documentary features remarkable historical footage of Goodall, her original camp, and the Gombe chimpanzees. It shows the early years of Goodall establishing the site before it went on to become a world-renowned research center.

David Attenborough tells the remarkable story of how these " birds of paradise " have captivated explorers , naturalists, artists, filmmakers and even royalty.