One of the Global Dynamics tanker trucks spills, potentially causing a change in everyone’s sleep habits… In the course of the episode, we come to learn that Global Dynamics has…

Sam finds a clue to Dean’s whereabouts, so he, Mary and Bobby set out to investigate. Castiel imparts some sage advice on Jack, who, still desperate to belong, seeks out…

Hunter Rufus Turner calls in Bobby, Sam, and Dean to deal with a demon infestation in his town, but they soon discover the truth is much more horrifying. Meanwhile, Castiel…