Protagonists: Sam, Dean, Castiel
Major Antagonists: Crowley, Rowena, Cain
FEATURED CREATURES: Demon, Angel
Over Plot: Brothers try to figure out how to remove the mark of Cain
Major Character Deaths: Cain
Minor Deaths: murderer stabbed by Cain, Demon hosts 2
Notes: Castiel kills a Demon, Crowley has a Demon killed
Episode Bystander Kill Count: 3 humans
Killed/Destroyed/Banished Count: 2 Demons