The 100

The 100 (pronounced The Hundred) is an American post-apocalyptic science fiction drama television series that premiered on March 19, 2014, on The CW, and ended on September 30, 2020. Developed by Jason Rothenberg, the series is loosely based on the young adult novel series of the same name by Kass Morgan. The 100 follows post-apocalyptic survivors from a space habitat, the Ark, who return to Earth nearly a century after a devastating nuclear apocalypse. The first people sent to Earth are a group of juvenile delinquents who encounter descendants of survivors of the nuclear disaster on the ground.