Turtles Legacy: The sea turtle is one of the oldest animals on Earth. But while they pre-date the dinosaurs, their place in today's world is sadly under threat. (S1, ep 5) [S]
Defenders Of The Reef: As the scorching sun creates huge algae growth, thousands of species swarm in to feast. While food is plentiful, they aren't in the mood to share. (S1, ep 4) [S]