Sam and Dean meet a woman (Samantha Ferris) from their father's past who may be able to help them track the demon, but they get sidetracked by a homicidal clown who talks children into letting him in their house, kills the parents and vanishes. Ash: Chad Lindberg. Jo: Alona Tal.
Sam and Dean meet another hunter named Gordon (Sterling K. Brown), but Ellen warns the brothers that his zeal is dangerous. Later, Sam makes a surprising discovery about a group of vampires. Ellen: Samantha Ferris. Lenore: Amber Benson. Eli: Ty Olsson.
A college student's death in a car crash is not enough to keep her in the grave, as Sam and Dean uncover a gruesome tale of broken hearts and black magic gone awry. Angela: Tamara Mason. Neil: Christopher Jacot. Matt: Jared Keeso.
Sam has another vision that leads the brothers to Oklahoma, where they encounter a man who possesses the ability to make anyone do anything he wants, but there is a sinister element about him that Sam and Dean want to investigate. Andy: Gabriel Tigerman.
Jo (Alona Tal) goes against her mother's wishes and follows Sam and Dean on a hunt involving the disappearances of blonde women from a particular building, but things don't go as planned. Ellen: Samantha Ferris. H.H. Holmes: Stephen Aberle.
Sam and Dean find themselves in police custody with Dean accused of murder, but one of the detectives (Linda Blair) becomes convinced that there is a supernatural angle to the case. Sheridan: Jason Gedrick.
The brothers encounter a demon who gives people their hearts' desires in exchange for their souls. The demon reveals to Dean the truth about his father's death and makes him an offer, exploiting Dean's desire to have his dad back.
Dean tells Sam what their father said before he died; Sam employs Ash (Chad Lindberg) to track down other psychics, a search that results in Sam traveling to Indiana, where he encounters more than he bargained for. Gordon Walker: Sterling K. Brown. Ellen Harvelle: Samantha Ferris.
An old inn is at the center of mysterious events involving deaths that at first seem accidental, but further investigation slowly reveals dark secrets about the inn's history, and Dean and Sam find themselves in the thick of it. Tyler Thompson: Matreya Fedor. Susan Thompson: Annie Wersching. Maggie: Conchita Campbell. Larry Williams: Jonathan Bruce.
Sam and Dean investigate a series of bank robberies committed by unlikely suspects who then kill themselves, but autopsies reveal that in each case the thief had actually died days before the crime, pointing to a shape-shifter committing the thefts.
The Winchester boys investigate the appearance of what seems to be an angel that imbues people with a strange homicidal bliss, and Sam is one of the people who falls under its spell. Father Reynolds: Denis Arndt.
Sam has been missing for more than a week, and Dean finds him covered in blood and unable to remember what happened. While they're trying to figure it out, they find a tape that shows Sam killing another hunter in cold blood, making him think his evil side is taking over.
Sam and Dean are on the trail of a werewolf but their only lead is a woman whose former boyfriend has been stalking her, and Sam finds himself falling for her. Madison: Emmanuelle Vaugier. Glen: Brad Dryborough.
Action on the soundstage of a film studio's production of a ghost movie includes mysterious deaths, so Sam and Dean investigate, discovering a fatal flaw within the script. Brad: Gary Cole. Jay Wiley: Don Stark. Kendra: Alycia Purrott.
Sam and Dean fulfill an obligation that means they must place themselves voluntarily in prison to find a murderous wraith, but the situation turns out to be much tougher than expected. Victor Henriksen: C. Malik Whitfield. Mara Daniels: Bridget Ann White.
While hunting a genie, Dean finds himself transported to an alternate reality where his mother (Samantha Smith) is alive, Sam is in law school and engaged to Jessica (Adrianne Palicki), and Dean lives a normal life with his girlfriend (Michelle Borth). But then the vision of a strange girl (Melanie Neige Scrofano) makes him wonder where he really is.
Part 1 of 2. In the second-season finale, Sam is abducted by the Yellow-Eyed Demon and taken to a ghost town with others who have special abilities. The Demon intends to initiate war against the human race, and he tries to get Sam to join the fight by showing him what happened to one of his parents. Bobby: Jim Beaver.
Conclusion. As the second season ends, the fight between Sam and Jake (Aldis Hodge) is over and Dean is left to handle the fallout, but being involved could cause him a great loss; and the hunters are menaced by the Demon and his spirits until aid arrives from a totally unexpected source.