Protagonists: Sam, Dean, Cole
Major Antagonists: None
FEATURED CREATURES: Worm
Over Plot: Brothers try to figure out how to remove the mark of Cain
Major Character Deaths: None
Minor Deaths: woman throat slit, guy lit himself on fire (exposition), guy kills a gas station clerk, 2 die in military footage, infected soldier
Notes: 3 worms killed by Sam and/or Dean
Episode Bystander Kill Count: 6 humans
Killed/Destroyed/Banished Count: 3 Worms