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
The Secret World of Nature: Spain
Our Great National Parks
Natural World
Gangland Killers
Okavango: River of Dreams
Destroyed In Seconds
Ancient Yellowstone
Penguin Town
Serengeti
Our Living World
The Secret Lives of Animals
Animal Empires
The Green Planet
Frozen Planet II
MonsterQuest: Chasing Bigfoot
Man, Cheetah, Wild
Animal Genius
The Nature Conservancy