在以下频道推出： discovery+、Sling TV
第 1 季，第 5 集: Sunlight is the vital source of energy used by the countless billions of plankton which live in the world's temperate sea. Forests of giant kelp harbour thousands of animals. Sharks, sea otters, brilliantly coloured anemones, squid and exquisite leafy dragons are just a few of the other creatures that live in this cool, rich water.
Documentary · 2007年10月31日 · 48 分钟