The 100 2×08 “Spacewalker” (Mid-Season Finale) – Clarke (Eliza Taylor) returns to Camp Jaha with devastating news. Finn (Thomas McDonell) struggles with the aftermath of his actions. Abby (Paige Turco) gathers information from an unlikely source and prepares for a fight. Meanwhile, flashbacks reveal Finn and Raven’s (Lindsey Morgan) relationship on the Ark. Isaiah Washington, Henry Ian Cusick, Marie Avgeropoulos, Devon Bostick, Ricky Whittle and Chris Larkin also star. John F. Showalter directed the episode written by Bruce Miller (#208). Original airdate 12/17/2014.