Ruka meets two boys at the aquarium. All three hear the strange calls from the sea.

The Emmy-winning series is the definitive natural history of the world's oceans exploring everything from the popular shores and teeming shallows to the mysterious ocean depths. It's a journey that gets stranger and more awe-inspiring as it goes along. Over three hours of bonus content.

Follow the daily life of a beautiful sea turtle named Bungi and all of her largest obstacles.

From majestic great whales and humpbacks to graceful jellyfish and seahorses, the ocean is home to an amazing array of life. In this three disc collection, National Geographic reveals never-before-seen species and behavior of life under the sea. Programs include Shark Island, The Great Whales, Ocean Drifters, Jellyfish Invasion, Jewels of the Caribbean Sea, and Humpbacks: Inside the Pod.

Explores the impact of the Deepwater Horizon blowout through the eyes of a cadre of scientists working together to better understand and mitigate the fall-out from the biggest oil spill in U.S. history. Some questions answered include: Why are so many pregnant dolphins losing their young? Why did much of the oyster population in Louisiana disappear? Did Deepwater Horizon oil affect the health of sharks? Did the use of dispersants help mitigate the...

"The oceans around us are full of creatures that are mysterious, beautiful, and strange. Whether you're a fan of sharks, snakes, penguins, or even polar bears, Ocean Animals for Kids is filled with fascinating facts that will help you learn all about the ocean and the mammals, birds, fish, reptiles, and invertebrates that call it home. You'll find exciting information about dozens of animals, like where they live and what they eat, along with answers...