Jeremy's urge to kill is rising... rising.... Elena hooks up with Damon, and Caroline has figured out why Elena has been acting so different ever since she turned.
Castiel decides he wants to be a hunter and helps the boys with a case that sends them into a world where the rules of physics don't apply - the world of cartoon physics apply.
Dexter has his hands full tonight: all three of his kids come back to Miami; he falls more in love with Hannah; and he finds Isaak's human side. And Deb... well, Deb is just fucked up.