A teenage girl is killed and the final selfie she took before the attack shows a ghostly figure in the background. Looking for something to keep them busy, Dean and Sam head to Washington to find the ghost. While the two interview the girl’s mother, Betty, they are surprised when she starts talking about cold spots and fritzing. When they ask her about bringing up paranormal signs, Betty replies that the "supernaturalists" who called earlier brought it up. Enter Harry and Ed, the famous supernaturalists.

The episode was rated 7.54 from 1463 votes.

Sam enlists everyone’s help in trying to track down Dean, who can literally be anywhere. Meanwhile, Castiel may be in over his head after meeting up with an unreliable source. After being drained of his grace, Jack is adjusting to life as a human, learning new skills and figuring out how he fits in to this world of hunters.

The episode was rated 7.53 from 1580 votes.

Sam is mysteriously released from Hell and seeks out his brother, trying to have a normal life. Together the brothers must join forces with their maternal grandfather, Samuel, and begin the fight anew.

The episode was rated 7.53 from 1047 votes.

Sam and Dean are visited by an old friend. Castiel investigates the disappearance of a local teen.

The episode was rated 7.53 from 892 votes.

In a small town in Colorado, mysterious disappearances happen every 27 years. Sam and Dean head to the town to investigate and meet two hunters who have a personal vendetta against these once-in-a-generation monsters.

The episode was rated 7.49 from 2522 votes.

A ghost starts killing people through various electronic devices. Sam and Dean discover who was killed and why this ghost is seeking revenge on a group of college students but what they can’t figure out is how he’s doing it. With three dead, the brothers must stop the ghost before he claims his next victim.

The episode was rated 7.49 from 1232 votes.

Sam and Dean investigate a string of suicides committed by people with little in common other than the identical, grisly method of death – slow, self-administered disembowlment. All of the victims were members of a Catholic church and had recently given confession, leading the brothers to suspect the priest is somehow involved. Meanwhile, when Crowley captures Olivette, the leader of the Grand Coven, Rowena pleads her case to be allowed to practice magic freely again.

The episode was rated 7.43 from 1550 votes.

In a change of pace, Sam and Dean decide to star in a violent, profane reality show named Ghostfacers. The show takes them to the haunted Morton Mansion, and they soon realize they're in over their heads.

The episode was rated 7.42 from 1008 votes.

Dean and Sam arrive in a town checking up a report of a mysterious death, and stop at a realtor's open house barbecue. Sam meets the realtor's son Matt, who is fascinated with bugs. Soon the town is invaded by swarms of deadly bugs, and there may be no way out.

The episode was rated 7.39 from 1390 votes.

Sam and Dean investigate a case in Chicago, where they discover that various mafia-esque monster families are, unknown to humans, running the underbelly of Chicago. One is a family of shapeshifters run by Margo Lassiter, whose leadership is thrown into question when her brother David returns home. The other reigning family in town is made up of werewolves, lead by Julian Duval. While in Chicago, Sam and Dean meet Ennis, a man with a personal vendetta against the monsters. The Winchesters warn Ennis about heading into the hunter lifestyle, but Ennis refuses to listen and starts down a dangerous path.

The episode was rated 7.34 from 1506 votes.