官方剧情
A documentary series on the wildlife found on Earth. Each episode covers a different habitat: deserts, mountains, deep oceans, shallow seas, forests, caves, polar regions, fresh water, plains and jungles. Narrated by David Attenborough.
第 1 季 共 11 集
播出时间：2006年3月6日
第 1 集 From Pole to Pole
播出时间：2006年3月6日
A global tour examining the behaviors of animals and revealing the effects of climate change on their environments.
第 2 集 Mountains
播出时间：2006年3月13日
An exploration of the world's major mountain ranges and the habitats they create.
第 3 集 Fresh Water
播出时间：2006年3月20日
Although merely 3% of water on earth, fresh water plays an important part in the planet's weather and erosion. It is immensely important for all non-marine wildlife, which drinks fresh water and swims, procreates, hunts in it. Its concentrations, such as rivers, lakes and swamps, abound in aquatic and other species, often adapted to 'wet' life.
第 4 集 Caves
播出时间：2006年3月27日
Although often overlooked, caves are remarkable habitats with bizarre wildlife. Explore the structures created inside the earth as well as the adaptations animals have made to thrive in these environments.
第 5 集 Deserts
播出时间：2006年4月3日
Despite the lack of rain, deserts are the most varied of our ecosystems. In fact, about thirty percent of the earth's land surface is covered in desert. Explore the unique conditions present in deserts as well as the survival mechanisms developed by the animals that inhabit them.
第 6 集 Ice Worlds
播出时间：2006年11月6日
Experience life in the most hostile corners of the planet by exploring the terrain, seasons, and animals of the Arctic and Antarctic.
第 7 集 Great Plains
播出时间：2006年11月13日
This episode deals with savanna, steppe, tundra, prairie, and looks at the importance and resilience of grasses in such treeless ecosystems. Their vast expanses contain the largest concentration of animal life. Over Africa's savanna, a swarm of 1.5 billion red-billed queleas are caught on camera, the largest flock of birds ever depicted.
第 8 集 Jungles
播出时间：2006年11月20日
Jungles cover roughly three percent of our planet yet contain fifty percent of the world's species. Experience the countless flora and fauna that inhabit these unique areas.
第 9 集 Shallow Seas
播出时间：2006年11月27日
A look at the shallow seas of the earth, from coral reefs to kelp forests and beyond.
第 10 集 Seasonal Forests
播出时间：2006年12月4日
A look at the plants and animals that call Earth's deciduous forests home.
第 11 集 Ocean Deep
播出时间：2006年12月11日
An exploration of the deepest, darkest realms of the ocean, spanning countless species to a depth of 2,000 meters
