Episode 4 | Oceans
Episode 4 | 55m 11s | Video has closed captioning.
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.
Aired: 02/18/15
Expired: 10/02/15
