Secrets of the Ocean Realm

Travel to the tiny island of Cocos off the west coast of Costa Rica; a refuge for large migratory marine animals.

An unprecedented look at the reef community beneath the cold waters of the North Pacific. Time-lapse photography captures amazing footage of starfish behavior.

Reveals the staggering diversity of animal life in the Caribbean coral reef.

Reveals never-before-seen predation behaviors of the hammerhead, blue, basking and great white sharks.

Enter the world of the great whales and observe the magnificent humpback whales, the rare blue whale and the California grey whale.

Profiles the sea's nocturnal dwellers, including harbor seals and the squid.

Deadly venom is just one of the survival strategies employed by anemones, scorpion fish, lion fish and other creatures that pack a deadly sting.

Reveals ocean creatures' reproduction habits and how they defend themselves from predators.

Visit the submarine forests of giant kelp in the Northeastern Pacific Ocean, one of the most spectacular marine ecosystems on Earth.