Episode Info
Synopsis
Life goes to extraordinary lengths to survive this immense underwater realm. A 30 tonne whale shark gorges on a school of fish and the unique overhead heli-gimbal camera reveals common dolphins rocketing at more than 30km an hour. Descending into the abyss, deep sea octopus fly with wings and vampire squid use bioluminescence to create an extraordinary colour display.
Find out more about Planet Earth at the BBC.
Release: 2006
Running Time: 60 min
