Experience our planet's natural beauty and examine how climate change impacts all living creatures in this ambitious documentary of spectacular scope.

There is nowhere more powerful and unforgiving yet more beautiful and compelling than the ocean. Join us and explore the greatest yet least known parts of our planet.

Sir David Attenborough narrates this critically acclaimed series that dives deep into the marine environment of Planet Earth. Although two-thirds of the world's surface is covered with water, scientists know less about the oceans than they do about the surface of the moon. This limited series travels from various coasts to the poles to examine watery denizens ranging from the gigantic blue whale to microscopic coral polyps.

The third series of this nature documentary uses the very latest in underwater filming techniques to reveal brand new and untold stories from magical underwater worlds focusing on five major underwater habitats: the tropical seas, temperate seas, polar seas, high seas and deep seas.

Take the plunge into a fantastic world of incredible creatures. Academy Award winner Linda Hunt narrates this mesmerizing, breathtakingly photographed series that explores the mysteries of the ocean depths. Seven-time Emmy-winning underwater filmmakers Howard and Michele Hall are your guides to an incredible world of fascinating and fearsome creatures. Gaze in wonder at spectacular scenes, compelling sights and exotic behaviors never before filmed.