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