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An Ancient Game..

1m 18s
After reaching Chamberlain Basin, Isaac and Bjornen come across white-tailed deer and their first glimpse of wolves in almost two months. The wolves and deer pay no attention. They're already intent on an ancient game...
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This Unexplained Companion

1m 38s
A pack of wolves isolates an injured elk on a ridge in Idaho's River of No Return Wilderness. Then, something remarkable happens. A companion appears and puts herself between the wolves and the injured elk.
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Ocean Giants, "Voices of the Sea" - Preview

30s
Humpback whales' songs carry thousands of miles, while a sperm whale scans the ocean depths with a sonar laser beam louder than a thunderclap. "Voices of the Sea" reveals a surprising underwater world where sound takes the place of sight. 4/11/2012
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On the Hunt for Herring

1m 46s
On the hunt for herring, killer whales use a herding call to cause discomfort and confusion for a school of herring, making the fish easy targets for a meal.
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The Oldest Mammal on the Planet

1m 38s
Analysis of one Amino acid in Bowhead Whales' tissue is revealing astonishing information about their age. There are some estimates that the whales could be over 200 years old, making them one of the oldest animals on the planet.
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Dolphin Mud Walls

2m 11s
In the shallows of Florida Bay, the fish can be very difficult to catch. Dolphins solve the problem by creating walls of mud that trap the nearby fish.
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The Himalayas - Preview

30s
The highest mountain range in the world, the Himalayan range is far-reaching, spanning thousands of miles, and holds within it an exceptionally diverse ecology. An exploration of the diversity of wildlife and habitats of this mountain chain starring the mysterious snow leopard.
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