The 100 Season 1 Episode 6 — His Sister’s Keeper

Bellamy, Finn and Jasper head into Grounder territory to search for Octavia, as flashbacks show the siblings' difficult childhood on the Ark. Meanwhile, Raven finds out about Clarke and Finn.

The 100 Season 1 Episode 6 (“His Sister's Keeper”) is episode 6 of 13 in Season 1 and first aired on April 23, 2014. It runs about 42 minutes. Directed by Wayne Rose. Written by Tracy Bellomo and Dorothy Fortenberry. Guest stars include Lindsey Morgan, Ricky Whittle and Terry Chen. The 100 is a Sci-Fi & Fantasy, Action & Adventure and Drama series from The CW.