The 100 Season 2 Episode 1 — The 48

Clarke is still on her own in the white room, frantically attempting to make sense of her bizarre surroundings. Lincoln and Octavia's plan is ruined and an enemy returns.

The 100 Season 2 Episode 1 (“The 48”) is episode 1 of 16 in Season 2 and first aired on October 22, 2014. It runs about 43 minutes. Directed by Dean White. Written by Jason Rothenberg. Guest stars include Richard Harmon, Keenan Tracey and Joseph Gatt. The 100 is a Sci-Fi & Fantasy, Action & Adventure and Drama series from The CW.