Açar söz Reindeer

David Attenborough travels to the end of the earth, taking viewers on an extraordinary journey across the polar regions of our planet.

Gordon Buchanan, Kate Humble and Simon Reeve head north to follow the remarkable story of polar bears and the Arctic.

After a scandal involving Saint Nick rocks the holly jolly foundations of the North Pole, all hell breaks loose as the future of Christmas turns into a twisted power struggle for the Red Suit.