Sam, Dean, and Bobby hunt down Lilith and fight her and her demons in a final effort to save Dean\'s life. But will they make it before the hell hounds find Dean? Sam finds himself convinced the only way to save his broher is to use his buried power to fight off the hell hounds and Lillith.
Sam and Dean find a doctor who in the early 20th centurary was obsessed with finding how to become immortal and so he took peoples organs. Dean finds Bela and leaves Sam behind to take care of the doctor while he confronts her about the Colt.
Sam and Dean search for a Crocotta that uses the phone and computer as a means to communicate with people. Its goal is to get people to commit suicide and take their soul. Dean gets some news from an unlikely source about a demon holding the contract to his soul.
Remember the amateur documentary filmmakers from Season One\'s Hell House? They\'re ba-ack!!! And filming a documentary for Ghostfacers when Sam and Dean come into the picture and, naturally, save their butts and the day.
FBI Agent Henricksen finally captures Sam and Dean, but is caught in the middle when a horde of demons descends on the small-town jail to eliminate the brothers.
Dean is killed after looking into a case about the disappearance of a man with Sam. The next morning, Sam is shocked to find Dean alive and is hit with the realization that he is reliving the day before.
Dean interrogates a college student after the death of Dr. Greggs. Bobby, Sam and Dean all discover the truth behind the fatal death when they all get locked in a nightmare of their own.
The seemingly harmless practices of a group of neighborhood witches goes bad when one of them kills a woman. Ruby offers her assistance... but she has a few secrets of her own.
In this Christmas-themed episode, Sam and Dean follow the trail of an \"anti-Santa\" that abducts its victims by using their chimneys. Dean tries to get Sam to celebrate Christmas like they used to but Sam doesn\'t want to accept that it could be the last one they\'ll spend together.
The brothers capture a female vampire named Lucy who has no idea how she became one, which leads them to Dixon, a male vampire who is a little too giving. Gordon returns with a vengeance leaving Sam in danger.