Blue Serengeti Shark Week : Season 2016 Episode 14

Famed marine biologist and shark expert Barbara Block has been studying the white sharks off of California for more than 27 years. Now, with breakthrough camera technology and tracking technology, she's giving scientists and viewers a portrait of a formerly unseen domain. She calls it the Blue Serengeti - it's a vast, rich, and hidden world, now more visible thanks to new camera tags deployed on both predator and prey.