The Blue Planet - Season 1 Episode 1 A NATURAL HISTORY OF THE OCEANS.
Bayani: Experience the power of the blue whale - the largest mammal ever to grace our planet. Learn how the sun and moon help control and tame the ocean. Travel far and wide - from the Eastern Pacific to Alaska, from the Bering Sea to the shores of Southern California - and begin to understand the complexity and power of our oceans.
Sharhi