Sharks are one of the oldest and most successful hunters ever to have lived. With more than 500 species, they dominate every corner of our oceans. What is it about these extraordinary survivors that makes them so successful? For the first time, scientists are starting to unlock their secrets. Featuring newly discovered species, locations and behavior, PLANET SHARK combines stunning 4K footage with original content from the world’s leading shark scientists to take a timely and in-depth look at the greatest predator on earth.