Dolphins React to Bizarre Bubbles | Ocean Giants | BBC Earth

Ocean Giants, 2011
Dolphins and whales may appear to be totally alien to us. But with their mental ability, group communication and the discovery that dolphins have individual names, they are closer to us than we ever imagined. Ace underwater cameramen Doug Allan and Didier Noirot embark on a quest to film the most amazing stories of whales and dolphins across the ocean world. They uncover new insights into the lives of these extraordinary animals that will redefine how we see them forever.