The 100 - Season 1 Episode 12 We Are Grounders (1) Survival isn't who you are. It's who you become.
Overview: Clarke and Finn come face to face with a new enemy after Lincoln rescues them from Anya, while Bellamy, Raven, Octavia and Jasper deal with a vengeful Murphy. On the Ark, Jaha makes a plan to try and get to Earth.