S1 E4: Episode 4 | Oceans

Aired: 2/17/2015 | 0:55:11 | Expires: 2/4/2025 | Episode
Starting on the most pristine reef on Earth, home to more predators than prey, Sanjayan draws on his own ocean experiences to reveal a vibrant community of scientists, engineers and fishermen who are providing solutions that can help restore the oceans in astonishing ways.