Watch Killer Whales: Wolves of the Sea for Free: How to Stream the Movie Online at 123Movies. . Do they really launch themselves onto the shore to grab a hapless snack? See for yourself, and gain a vivid appreciation for their appetites and skills. While your jaw drops at their fearsome agility, you’ll also be learning about their migratory and other behaviours from scientists who observe them daily and strive to increase our understanding of their needs for survival. In this National Geographic ‘Wildlife Special’ you’ll journey around the globe to see their extraordinary hunting techniques in action.