David Attenborough explores life in our planet's icy regions.
Looks at how the abundant wildlife survives some of the hardest conditions on the planet.
The thaw begins and animals like the humpback whale follow the retreating ice.
It's summer in Antarctica, and the race to breed is on for two million fur seals.
Autumn stirs harsh seas which batter Antarctica, leaving penguins to struggling to feed.
During the Antarctic winter conditions are so extreme that most animals desert the region.
A look at how today scientists manage to live at the Pole all year round.