39min - In the Caribbean, the team reveals great secrets in the lives of the humpback whale, witnessing a mother defend her calf in the ultimate ocean battle.
37min - The team dives into the depths of the mid-Atlantic to reveal the secret life of sperm whales and discover its hidden prey.
36min - The team is in the Azores to tag a deep-sea giant — the six-gill shark — and learn more about its nightly patterns on the hunt for food in the abyss.
35min - The team is in the Caribbean to find out how great hammerhead sharks navigate their migrations and how adapted they are to life in the shallows.
38min - In the high Arctic, the team takes on the challenge of the polar bear to figure out what the changing habitat could mean for its future.
40min - In the high Arctic, the team meets the bowhead whale, the longest-living mammal, and the Greenland shark, the longest-living vertebrate.
...[the] fantastic underwater cinematography shows off the wonders of the deep in a really compelling way.
Our Planet
Kingdom of the Apes: Battle Lines
The Americas
Crikey! It's the Irwins
Aerial America
Prehistoric Planet
Our Great National Parks
Natural World
Destroyed In Seconds
Ancient Yellowstone
Penguin Town
Serengeti
Our Living World
The Secret Lives of Animals
Man, Cheetah, Wild
7.2
7.2
