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2.01 - In my time of dying
In the aftermath of the car crash, the surviving Winchesters go to the hospital, where one is stalked by a Reaper while another must consider sacrificing himself to save the others.

2.02 - Everybody loves a clown
Sam and Dean decide to track down a woman who left a message on John's cellphone; during a small town carnival, a clown persuades kids to let him in their home so he can murder the parents.

2.03 - Bloodlust
Sam and Dean encounter a vampire hunter whose obsession may get them all killed.

2.04 - Children shouldn't play with dead things
Dean and Sam investigate the death of a young college student who died in a car accident, but whose grave is now surrounded by a circle of dead plants.

2.05 - Simon said
Sam and Dean meet Andy Gallagher, a slacker with psychic powers of persuasion. Once the brothers learn that Andy’s family was visited by the Demon, Sam wonders if he could be one of the special children.

2.06 - No exit
Sam and Dean investigate the slayings of blonde women and find that the ghost of the first serial killer is responsible. Jo disobeys Ellen's wishes and follows them along, and is captured by the ghost.

2.07 - The usual suspects
Sam and Dean investigate the murder of a lawyer and his wife, who claimed to have seen a ghost before they were killed. However, local authorities arrest the Winchesters after looking into their past.

2.08 - Crossroad blues
Sam and Dean discover a demon who's been making deals with people to sell their souls in order to make their dreams come true.

2.09 - Croatoan
The inhabitants of a town are infected with a deadly virus that provokes people to kill; Sam gets infected by one of the locals, prompting Dean to reveal what John said before he died.

2.10 - Hunted
Sam meets a woman who shares his ability to have visions, and she warns him that she has seen the future... where he dies in an explosion.

2.11 - Playthings
Sam and Dean investigate a town where several people have mysteriously died and the trail leads to a young girl who lives at an inn with her mother, and whose imaginary friend may be responsible for the deaths.

2.12 - Nightshifter
The brothers are hunted by FBI Special Agent Henriksen, a new recurring character, convinced they're responsible for multiple, heinous murders and determined to capture them at any cost. Meanwhile, a witness believes one crime was committed by a half-man, half-robot.

2.13 - Touched aka Houses of the Holy
Sam and Dean confront a twisted (and dead) priest, who believes he is one of God's soldiers. Sam fumes when Dean pulls rank and forces him to stay behind on a hunt which may result in human death.

2.14 - Welcome to my nightmare aka Born under a bad sign
Sam believes his evil side is taking over when he realizes he killed another hunter in cold blood, yet has no recollection of the incident.

2.15 - Tall tales
Sam and Dean call on fellow hunter Bobby for help with violent occurrences on a college campus, but Bobby has suspicions about both the culprit and the brothers' escalating feud.

2.16 - Road kill
Sam and Dean are startled while driving along a deserted road when a woman named Molly jumps in front of their car screaming for help.

2.17 - Heart
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.

2.18 - Hollywood Babylon
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.

2.19 - Folsom prison blues
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.

2.20 - What is and what should never be
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.

2.21 - All hell breaks loose, part 1
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.

2.22 - All hell breaks loose, part 2
part 2 of 2. As the second season ends, the fight between Sam and Jake 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.