The Blue Planet: The Blue Planet is the first ever comprehensive Series on the natural history of the world's oceans. Narrated by David Attenborough, the extraordinary images of this marine epic reveal the sea at its most fearsome and alluring, exposing some of its best kept secrets. Enter a world of breathtaking beauty and discover new species, visit unseen habitats and witness stories of survival never caught on camera before. Blue Planet II: In recent years, our knowledge of what goes on in our Ocean has been transformed. Blue Planet II uses cutting-edge breakthroughs in science and technology to explore new worlds, reveals astonishing creatures and extraordinary new animal behaviours. As we journey through our deep seas, coral reefs, open ocean, green seas and coasts we share these extraordinary new discoveries. But we now know that ocean health is under threat. Never has there been a more crucial time to explore our remotest seas and to examine what the future will hold for our Blue Planet.