Episodes
1. One PlanetWitness the planet's breathtaking diversity -- from seabirds carpet-bombing the ocean to wildebeests eluding the wild dogs of the Serengeti.
2. Frozen WorldsOn the unforgiving frontier of climate change, polar bears, walruses, seals and penguins find their icy Edens in peril.
3. JunglesJungles and rainforests are home to an incredible variety of species like preening birds, intelligent orangutans and remarkable ambitious ants.
4. Coastal SeasFrom fearsome sharks to lowly urchins, 90 percent of marine creatures live in coastal waters. Protecting these habitats is a battle humanity must win.
5. From Deserts to GrasslandsCameras follow desert elephants seeking sustenance, bison roaming North America grasslands and caterpillars living the good life underground.
6. The High SeasVenture into the deep, dark and desolate oceans that are home to an abundance of beautiful -- and downright strange -- creatures.
7. Fresh WaterThe need for fresh water is as strong as ever. However, the supply is becoming increasingly unpredictable for all manner of species.
8. ForestsExamine the fragile interdependence that exists between forests' wide variety of residents, including bald eagles, hunting dogs and Siberian tigers.
