请调整浏览器窗口大小或者请使用手机查看!
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.
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.
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.