The team reveals the greatest secrets in the lives of the humpback whale.
In the mid-Atlantic, the team tracks down sperm whales and its prey.
The team is in the Azores to tag a deep-sea giant — the sixgill shark.
The team investigates the mysteries of hammerhead shark migration.
The team explores the fast-changing habitat of the polar bear.
In the Arctic, the team meets two of the longest-living animals on Earth.
James Cameron
Narrator
Producer
Maria Wilhelm
Roger Webb
Orla Doherty
