Cosmos: Possible Worlds

Visit a 100,000-year-old laboratory and examine the change in lifestyle that radically altered human existence and opened our path to the stars.

The man who found the first clues to life's beginnings on Earth.

Nikolai Vavilov risks his life for a discovery that changes the history of science.

An abandoned orphan's dream opens the way to understanding the architecture of thought.

A young Carl Sagan realizes his childhood dreams, carrying his mentors' research forward.

Join the journey for the lost kingdom.

A scientist figures out how to go to the moon while fighting for his life in a war trench.

Spotlighting the man who discovered a hole in reality and the technology that it made possible.

How a deadly embrace between science and state altered the fate of the world.

Explore the story of our ancestors who came to realize Earth’s extinction, as well as a long-term vision of our future on other worlds.

A baby is born on the day the show premieres; one of her possible futures is explored.

A visit to the 2039 New York World's Fair, where intractable problems may have been solved.