The brothers investigate a soldier's brutal death and discover that another soldier was responsible. The trail leads to a third soldier who has developed an incredible thirst... and is a friend of Cole's.moreless
Sam and Dean track down a demon prostitution ring which leads them to the witch Rowena. They go after her, unaware that Cole is still on Dean's trail. Meanwhile, the husband of Hannah's host body comes looking for his wife, complicating things for Hannah and Castiel.moreless
Crowley discovers that Dean is becoming increasingly difficult to control, and contacts Sam to make a deal. Meanwhile, Sam escapes from Cole and returns to his hunt for his brother, and Hannah tries to make a deal with Metatron to save Castiel's life.moreless
Dean embraces his new life as a demon and hits the bars with Crowley. Meanwhile, Sam tries to track down his brother, unwilling to accept what Dean has become, and runs afoul of a man trying to get revenge on Dean for a past crime.moreless
Martin Tries to clear his name by talking to Detective Lange, Avram hopes Jake will expose another one of the Righteous 36.
After a Navy lieutenant and pilot are poisoned by cyanide laced water, the NCIS team investigates to see if the two were targeted or if it was a trial run for a large-scale contamination.moreless
Jack hides important information from Mia and Ralph.
An unusual meeting with a guy named Dennis shows Maura in a new light. Jane has mixed emotions when Casey returns.
Herman and Pinky Ames, who almost escaped in 1963, return to Alcatraz in the present day and find something strangely wrong.
The CSIs start a frenzy of betting pools when it looks like they're about to hit The Cycle: a homicide, suicide, accidental death and natural death during one shift.