Every season of Search for Second Earth ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of Search for Second Earth!

The Planet Hunters

The new space race has begun. After more than 50 years exploring nearby planets, it's time to venture beyond our solar system to explore alien worlds orbiting distant suns.

The Explorers

The discovery of Earth-like worlds outside our solar system has reset the odds of finding a Second Genesis beyond our planet. Could life on Earth be the product of a random miracle, never to be repeated?

Second Earth

Are we alone? From the moment we were conscious as a species, we have been on a quest to answer this question.

Contact

Search for Second Earth brings to life, in breathtaking CGI, an epic future journey that our species has already begun: the voyage of an autonomous spacecraft to a planet beyond our Solar System in search of life. Join NASA planetary explorers Gentry Lee and Steve Squyres; and exo-planet hunters Sara Seager, Francois Forget and Natalie Batalha on their quest to find life beyond Earth.

The Best Seasons of Search for Second Earth

The Best Seasons of Search for Second Earth

Season 1