ok this one is kind of a guilty pleasure, hence why its so high. it was like the exorcist. the possession of Raven though, kind of hot.. especially when she bit a chunk out of Clarke's arm and was smiling tf. episode started off excellent with Octavia calling out Bell dog's bullshit. and followed that with possessed Raven calling out Clarke, Jasper, and Bellamy's bullshit. it was perfect. those were three of my least fav main characters at the time. and the best part, they DIDN'T kill off Raven taking it out.
#10 - Stealing Fire 3x09
#9 - Nevermind 6x07
#8 - Spacewalker 2x08
#7 - The Last War 7x16
#6 - Red Queen 5x02