Our Planet - Episode Guide

Viewers will travel from the Brazilian rainforest to Norway's Svalbard archipelago, discovering how each fragile habitat is connected and why they are all essential for life to thrive on this planet.

On the unforgiving frontier of climate change, polar bears, walruses, seals and penguins find their icy Edens in peril.

Jungles and rainforests are home to an incredible variety of species like preening birds, intelligent orangutans and remarkably ambitious ants.

From fearsome sharks to lowly urchins, 90 percent of marine creatures live in coastal waters. Protecting these habitats is a battle humanity must win.

Cameras follow desert elephants seeking sustenance, bison roaming North American grasslands and caterpillars living the good life underground.

Venture into the deep, dark and desolate oceans that are home to an abundance of beautiful -- and downright strange -- creatures.

The need for fresh water is as strong as ever. However, the supply is becoming increasingly unpredictable for all manner of species.

Examine the fragile interdependence that exists between forests' wide variety of residents, including bald eagles, hunting dogs and Siberian tigers.

Be it buffalo, polar bears, humpback whales or albatross chicks, migration is a vital survival strategy for animals to feed, reproduce and find homes.

As summer spreads across our solar-powered planet, honey bees toil, snow geese breed, tadpoles awaken and lions stalk wildebeest in search of lush grass.

Left to fend for themselves until they find their footing, baby sea turtles, elephant seal pups, pumas and crabs bravely trek towards adolescence.

As snow geese, antelope, army ants and gray whales dodge predators and pollution, get a closer look at how the modern world impacts animal migration.