Season 3, Episode 4 Call of the Killer Whales

First Aired: April 22, 2009

Part 1 of 2. Jean-Michel Cousteau and his team investigate the world of the orca, which is the largest species of the dolphin family and is often called a killer whale. The expedition travels to the Arctic and Antarctic, the Atlantic and Pacific, to learn about the marine mammal, which is considered the sea's top predator.