News: Iwatchonline alternative domain

Documentary series exploring bizarre and extraordinary natural events. In this episode, Chris Packham sets out to understand why a much-loved dolphin has started breaking people's bones, why a caterpillar wears a hat made out of its own spare heads and how a tiny crustacean has mastered the holy grail of science - the art of invisibility.

Episode Title: Episode 3
Airs: 2016-10-13 at 20:00