
S01E01 Dark
The dark, a world of opportunity for mammals. More than two-thirds prefer the cover of the night, with some now returning to the safety of the shadows in order to avoid us.
From ice-covered seas to snow-capped mountains, mammals have conquered the cold, living in the harshest places on earth, thanks to their remarkable intelligence and adaptations.
The series offers fascinating insights into the most successful animal group in the world. From the tiny Etruscan shrew to the giant blue whale, Mammals will reveal the secrets of their success, and how their winning design, incredible adaptability, unrivaled intelligence, and unique sociability have all contributed to their remarkable rise.