The Best Seasons of Search for Second Earth

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!

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.