There Will Be Blood
- Episode aired May 11, 2012
- TV-14
- 43m
To officially kill the leviathans, Sam and Dean need the blood of an Alpha. But Dick knows what the Winchesters are up to and sends his men after them.To officially kill the leviathans, Sam and Dean need the blood of an Alpha. But Dick knows what the Winchesters are up to and sends his men after them.To officially kill the leviathans, Sam and Dean need the blood of an Alpha. But Dick knows what the Winchesters are up to and sends his men after them.