Ocean : Earth's last wilderness

From the icy oceans of our poles to remote coral islands, David Attenborough has filmed in every ocean habitat on planet Earth. Now, with long-term collaborator Colin Butfield, he shares the story of our last great, critical wilderness, and the one which shapes the land we live on, regulates our climate and creates the air we breathe. Through one hundred years, eight unique ocean habitats, countless intriguing species -- and through personal stor...