Our Universe

E1. Chasing Starlight

A penetrating look at the sun as a vital source of energy and its impact on one cheetah's search for food in the sprawling plains of the Serengeti.

★ 8.4

E2. The Cosmic Clock

From the womb to a final moment of peace, witness the steady ticking of the universe's clock through the eyes of the chimpanzee.

★ 8.4

E3. Turning Seasons

Dive into the long year of the Alaskan brown bear through the Earth's seasonal cycle amid the frigid winter months and into the warmth of summer.

★ 8.2

E4. Elemental

The elements that constitute every living being were formed within the very first stars. Today, a green sea turtle searches the ocean for them.

★ 8.2

E5. Water World

The story of water's miraculous arrival onto our planet and its pivotal role in the survival — and amusement — of a herd of elephants.

★ 8.2

E6. Force of Attraction

Shaping our entire universe, gravity has set the stage for life. For two king penguins, it steered them toward their soulmates.

★ 7.7