David Attenborough sets out on an extraordinary journey across the earth's polar regions, exploring the Arctic and Antarctic. Show more

Documentary series. It's spring in the polar regions and, after a five-month absence, the sun reappears. The greatest seasonal transformation on our planet is under way. Show more

Nature documentary. The impact of summer on polar bears, musk oxen and penguins, who struggle to cope with an unlikely problem - heat. Show more

Documentary series revealing the riches and wonders of polar regions. Today, their survival relies on a combination of ancient wisdom and cutting-edge science. Show more

During winter, most animals abandon the polar regions, but a few extreme survivors remain. This is the story of their battles to endure the planet's harshest winters. Show more

Nature documentary series. As the big freeze returns, polar landscapes are transformed. Wildlife leaves, but the giant emperor penguin arrives. Show more

David Attenborough journeys to the poles to investigate what rising temperatures will mean for the people and wildlife that live there, and for the rest of the planet. Show more