S1 E1 ∙ Introduction ∙
David Attenborough catalogues life beneath the ocean waves. All manner of spectacular lifeforms dwell deep underwater, from alien monsters to pack-hunting killer whales.
This travels to the very depths of the seas, to reveal a spectacular variety of life.
David Attenborough looks at the strange creatures that live in the depths of the ocean.
Looking at the hunting skills of whales, dolphins, tuna, shark and rapier-nosed billfish.
A look at the survival techniques of creatures in the Arctic and Antarctic.