Spy In The Ocean

All four episodes of the nature documentary narrated by David Tennant in which spy creatures are sent to explore the world's oceans and record their encounters with the diverse range of animals who live there. The animals featured include sperm whales, puffer fish, fur seals, manatees, spider crabs, macaques, mudskippers and cuttlefish. The episodes are: 'Deep Thinkers', 'Deep Feelings', 'Deep Friendships' and 'Deep Trouble'.