Lista episodi

The team reveals the greatest secret in the lives of the humpback whale.

In the mid-Atlantic, the team tracks down sperm whales and its prey.

Tagging the sixgill shark and learning about its nightly patterns hunting for food in the abyss.

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.