Segment 1: Aquarius Reef Base. In this National Emmy nominated segment, Jonathan visits Aquarius Reef Base-the world's only undersea lab where scientists live in saturation for days or weeks at a time, studying the ocean. It's an amazing combination of science fiction and undersea adventure! Segment 2: Skates and Rays. In this fascinating biology segment, Jonathan explores the world of skates and rays. From the plankton-eating Manta ray to the Electric Torpedo ray, these animals have a variety of surprising adaptations for survival in the ocean.