Monster-of-the-week casework (the procedural frame)

Sam and Dean follow the coordinates left in their father's journal and land in the middle of the woods where they investigate the disappearance of several campers. The two brothers soon learn they are dealing with a Wendigo, a creature made famous in Native America legends. A Wendigo is a former human whose cannibalism has transformed him into a creature with superhuman strength and speed that feasts on human flesh.

Sam and Dean investigate a series of mysterious drownings written off as suicides. They discover the spirit is an angry little boy with the power to travel through water who is taking revenge on certain town inhabitants for a dark secret buried long ago. Dean forms a bond with a young boy who seems to have the power of premonition.

On TransNational flight 2485, a man possessed by the spirit of the Phantom Traveler causes the plane to crash, leaving only five survivors left alive. Sam and Dean must exorcise the angry spirit before it attacks the survivors. The brothers realize the only way to do that is to take the battle to the skies.

Sam and Dean come to the aid of Sam's old college buddy after he is accused of a murder he swears he didn't commit. The brothers discover a shapeshifter is adopting the likenesses of others and murdering people. The brothers' race to stop the shapeshifter takes a terrifying turn when he shifts into the likeness of Dean.

The infamous "Hook Man," a vengeful spirit who kills his victims with a shiny hook that serves as his hand, terrorizes a small college town in Iowa. Sam and Dean learn that all the victims are connected to the daughter of a local minister and race to find and destroy the Hook Man¿s bones before he comes for them.

After a construction worker is killed by insects burrowing into his brain, Sam and Dean investigate the town's history and find that the new housing development is being built on sacred Indian land. The Indians put a curse on the land after their reservation had been ravished and destroyed. Sam and Dean must find a way to survive and kill the deadly swarm of bees, locusts, spiders and beetles.

Sam and Dean investigate an abandoned sanitarium and discover that when the hospital was open, the patients held a revolt against the cruel and unusual punishments inflicted by the head doctor. While the brothers search the premises for four lost college students, the tortured spirits cause them to go insane, turning Dean against Sam.

Dean is contacted by his first love Cassie, an African-American girl, who asks him to come to Mississippi to investigate a string of racially motivated murders. Each murder is linked to a mysterious truck that seems to have no driver and leave no tracks. Sam is stunned to see this new side of his brother as Dean struggles to come to grips with the residual feelings he has for Cassie.

Sam and Dean head to Minnesota where a young boy witnesses a man vanish into thin air. Upon searching for clues, Sam is abducted by what he assumes is a supernatural being, and Dean is left to search frantically for his brother. However, both are stunned when they realize the kidnappers are human, and using the captives as human prey for a twisted hunting expedition.

Sam and Dean investigate a house haunted by the ghost of Mordecai, a man who killed his six daughters during the 1930s. The brothers discover a website dedicated to the Mordecai legend and realize the town is unknowingly conjuring up the evil spirit through the site.

Sam and Dean investigate a small town in Wisconsin where children are falling into comas for no apparent reason. The brothers discover that a witch is creeping into the bedrooms of the children and stealing their life force. While battling the witch, Dean recalls a past mistake that almost cost Sam his life at the hands of the very same witch, an event which has fueled Dean's protectiveness over Sam and his blind obedience to his father.

A young couple is murdered in their home shortly after buying an antique painting of a family portrait circa 1910. Upon reviewing the painting's provenance, Sam and Dean learn that everyone who has ever bought the painting has been murdered and race to discover how the portrait is causing the deaths before it can claim its next victim.

Sam and Dean meet Gordon, a fellow demon hunter who has been systematically killing vampires in a small town, and Dean immediately bonds with the older man. However, after Sam meets with the lead vampire and discovers they are actually peaceful creatures who survive on cattle blood, he decides not all supernatural beings are evil and forces Dean to choose whether he will side with Sam or Gordon.

Dean and Sam investigate the murder of a college student who has come back from the dead seeking revenge on those who mistreated her while she was alive. Upon confrontation, the ghost savagely attacks Sam, leaving him injured. While in town, the brothers visit their mother's grave to pass along something from their father.

Sam and Dean investigate the brutal slayings of blond women from an apartment building and discover the demon responsible is the ghost of the first serial murderer, H. H. Holmes. Meanwhile, defying her mother's wishes, Jo follows the Winchesters on their hunt and ends up getting captured by the ghost and buried alive.

Sam and Dean investigate the murders of a lawyer and his wife who claimed to have seen a ghost right before they died. However, after local detectives Ballard and Sheridan uncover the Winchesters' records, they arrest the brothers for a double homicide before they are able to find the ghost. When the ghost begins to visit Ballard, she begins to wonder if the tale Sam and Dean are telling her could be true, and if she might be the next to die.

Sam and Dean investigate two strange deaths at a small Connecticut inn run by a single mom whose young daughter plays with an imaginary friend. The brothers find evidence of voodoo around the inn, but soon realize the little girl's imaginary friend may in fact be a demon who is killing the townspeople.

Sam and Dean investigate the murders of several people by individuals who claim they were visited by an angel and were carrying out God's will. After the brothers learn those murdered were actually guilty of secret crimes, Sam begins to believe this angel really does exist, but Dean stands firm on the fact a demon is behind the slayings - until he sees something even he can't explain.

While driving down a deserted road, Sam and Dean are startled after a bloody woman named Molly bolts out in front of the Impala screaming for help from the crazy farmer who is chasing her. Sam and Dean investigate and discover the man is actually an angry spirit who kills one person the same time every year and has decided Molly will be his next victim.

After investigating the death of a lawyer who appeared to have been killed by a wild animal, Sam and Dean realize they are tracking a werewolf. Sam is immediately attracted to the lawyer's secretary Madison and when it seems as if Madison will be the werewolf's next victim, Sam offers to stay overnight to protect her. Dean heads out to hunt the animal and is stunned by what he finds.

Sam and Dean make a trip to Hollywood to investigate the death of one of the actors on a horror film set after rumors begin that he was killed by a ghost. They discover the death was a publicity hoax but when the executive producer and a studio executive are killed, Sam and Dean realize they are dealing with a haunted set. Gary Cole guest stars as Brad Redding, one of the stars of the horror film.

After hearing about a ghost that has been killing off inmates one by one, Sam and Dean decide the best way to investigate this spirit is from the inside and allow themselves to get thrown into the state penitentiary. However, after FBI agent Henricksen shows up to take over their case, getting out of prison becomes a bigger challenge than finding the spirit.

While hunting a Djinn [a type of genie], Dean is attacked and transported to a world where his mother is alive, Sam is in law school and engaged to Jessica, and Dean lives a very normal life with his girlfriend. However, after he starts seeing a strange girl and learns all the people he has saved in the past have died, Dean must decide whether he wants to stay in this new safe life where everyone he loves is alive or if he should return to the hunt.

Sam and Dean investigate a small town that has been plagued by a number of strange murders that resemble fairy tales, such as Little Red Riding Hood, Snow White and Hansel and Gretel. Meanwhile, Sam summons the Crossroad Demon and threatens to kill her with the newly rebuilt Colt unless she releases Dean from his deal.

Sam and Dean investigate the mysterious demise of drowned victims who were nowhere near the water at the time of their death. The brothers learn each of the victims saw a ghost ship shortly before they died. Upon investigation, they cross paths with Bela, who is being paid handsomely by one of the murder victim's family members to solve the case. Sam and Dean warn her to stay out of their way, but she has other plans.

It's Christmas time and Sam and Dean investigate a series of murders where the victims were pulled up through the chimney. Sam realizes they are dealing with a sort of Anti-Santa, a demon with roots in pagan lore. Dean wants to celebrate Christmas the old fashioned way as this is his last, but Sam refuses, not wanting to accept that Dean won't be around next year. Sam flashes back to a certain Christmas when he waited for his father to come home to give him a special gift.

Sam and Dean take a break from their usual gig to star in a gritty reality show called "Ghostfacers" which chronicles the pursuit of the paranormal. Ed Zeddmore and Harry Spengler have created a radically different and sometimes violent show full of profanity that takes them to the Morton Mansion, an abandoned estate which becomes one of the most haunted places in America one night each year. However, as their team begins to get picked off in grisly manners not fit for television, they realize they are in over their heads.

Dean is stunned after he receives a phone call from his dad who tells him he has a solution to get Dean out of his deal. Sam and Dean fight because Sam is skeptical that it is really John on the other end of the phone and warns Dean not to listen to him but Dean disagrees and sets off on his own path to follow his father's orders.

Sam and Dean discover that Jack Montgomery, a family man, is turning into a Rugaru, a creature that starts as a human but changes into a flesh-eating monster. The people who are infected don't understand what is happening until they turn into cannibals and eat another person. Understanding what it is like to be a victim of a twisted destiny, Sam believes he can reason with Jack and convince him to control his urges. Dean doesn't think Jack's animalistic behavior can be subdued and decides the only honorable thing to do is to shoot him.

Dean and Sam investigate several murders at Oktoberfest. The first victim was found with bite marks on her neck, much like a vampire would leave, while the second victim has wounds that look like a werewolf attack. After a mummy rises from his crypt, Dean determines that a shape-shifter demon is terrorizing the town as iconic monsters from the old Hollywood movies.

Sam and Dean investigate the mysterious deaths of several men who apparently dropped dead of fright. They visit one of the victims in the morgue, and Dean becomes infected with the illness which starts as a general anxiety, then moves on to full-blown terror that eventually stops the heart. Sam and Bobby must find the root of the disease before Dean dies and is sent back to Hell.

Sam and Dean investigate a small town where the wishing well really works. A teddy bear comes to life, someone wins the lottery and the town geek gets a hot girlfriend. The brothers realize that while everyone is happy now, the end result will be disastrous.

Sam and Dean investigate the appearance of a young female ghost in an abandoned house, but things become more complicated when a family moves in. The brothers fail to get the family to leave, but when the son is kidnapped though the walls, they look to Sam and Dean to rescue the boy.

A mysterious death draws Sam and Dean to a town full of old-school magicians. Their investigation leads them to Charlie, Jay and Vernon, three friends who were famous magicians in their day but have now been replaced by flashier, younger magicians. One of them has made a deal to acquire real magical powers, but the price was extremely high. Sam and Dean must figure out a way to reverse the spell before others are harmed.

Sam and Dean go undercover to investigate a string of murders at their old high school. The case causes them to flashback to their time there recalling how Sam was picked on by the school bully while Dean was Mr. Popular.

Sam and Dean enter a small town in Iowa, where three men have inexplicably beaten their wives to death. The guys realize that behind the murders is a Siren, a creature that can take different forms and desperately needs love and compels people to destroy themselves as a show of devotion. The Siren eventually puts Sam and Dean under their spell and pits the two brothers against each other in a fight to the death.

Sam and Dean decide to start hunting together again and their first case leads them to a small town whose inhabitants are being killed by famous dead icons like Abraham Lincoln and James Dean's car. However, after two teenage girls come forward and claim their friend was kidnapped by Paris Hilton, the brothers aren't sure what they are hunting anymore.

Sam and Dean discover a witch is running a high-stakes poker game where the currency is life years vs. money. Bobby sees the game as a chance to get out of the wheelchair and bets 25 years, but loses. As Bobby begins to age rapidly, Dean steps in to save him but also ends up turning into an old man, leaving Sam holding the bag for their survival.

Former hunter named Martin, who is currently institutionalized, calls Sam and Dean for help investigating a case in the mental hospital. The brothers get themselves admitted as patients to check out the mysterious monster that is attacking the patients, but their incarceration pushes both to the breaking point as they unleash their inner demons against each other.

Gary, a teenage nerd, conjures up a body-switching spell and changes bodies with Sam. Thrilled by his new handsome and built body, Gary investigates a case with Dean and takes advantage of his good looks and age by hitting on women and getting drunk. Meanwhile, Sam is stuck in Gary's teenage body, dealing with intrusive parents and high school.

Dean and Sam investigate what seems to be a werewolf killing but turns out to be a skinwalker posing as a family dog who is taking revenge on his owner's enemies. After capturing the dog, he turns human and tells Sam and Dean that an Alpha skinwalker has created many sleeper cells that will rise on his command and kill their families.

While Sam and Dean are investigating a UFO sighting, Dean is abducted from a crop circle. However, when he awakens, he discovers he isn't dealing with aliens, but fairies! Unfortunately, only Dean can see the fairy that keeps attacking him which makes tracing and stopping them difficult. The brothers become even more perplexed when Sam's investigation leads them to a world full of elves, gnomes and a leprechaun.

Sam starts to have flashbacks to a case he worked on with Samuel before he reconnected with Dean. Sam receives a mysterious text with coordinates to a small town, so the brothers decide to investigate. Dean is surprised when the townspeople start telling him some of the things Sam did while he lived there.

Ben calls Dean and tells him Lisa is in trouble. Dean leaves Sam to investigate a case alone and rushes home to rescue Lisa, however, he's not prepared for what meets him at the door. Meanwhile, Sam discovers the men that were murdered were all a part of a cruel practical joke played on a female co-worker who went missing.

After Balthazar changes history and keeps the Titanic from sinking, Fate intervenes and begins killing those that would have died on the ship. Castiel tells Sam and Dean that Fate is very upset with the two of them and the only way they can stay alive is to kill her.

While searching for a way to defeat Eve, Dean stumbles upon Samuel Colt's journal in the Campbell library. Realizing Samuel might have the answer to their problems, Sam and Dean ask Castiel to send them back in time so they can meet the man himself. While Sam is a bit reluctant to time travel, Dean is beside himself with excitement to return to the Wild, Wild West.

Dean is furious after Sam disappears to follow a lead on a case with clues that are identical to a case Sam solved as a kid. The demon turns out to be Amy, who has been killing low-life thugs and taking their brains for dinner - the same demon Sam found as a kid.

Sam and Dean investigate a string of gruesome murders and discover the Egyptian god Osiris is behind the deaths. The vengeful god is putting people on trial for their past mistakes and killing them if found guilty. Osiris hones in on Dean's guilt and decides he's the next to stand trial. Sam steps in as Dean's lawyer, but both brothers are unprepared when Osiris calls an unexpected witness.

Sam and Dean meet Maggie Stark, a witch who has unleashed her wrath on a small town, resulting in numerous deaths. Sam and Dean track down her husband, Donald, to see if he can help. Donald tells the brothers that Maggie is mad at him for having an affair and is taking it out on the townspeople.

Sam and Dean investigate the gruesome murders of resident mediums in Lily Dale, the most "psychic" town in America. They discover that an angry spirit is killing off the psychics one by one, but in a town full of people who claim to be summoning spirits, they have a little trouble identifying the medium controlling the ghost.

While on a hunt, Sam runs into someone from his past and a confrontation ensues. Meanwhile, Dean reluctantly teams up with a quirky, laid-back hunter named Garth, when he finds himself in a situation that he just cannot explain.

Still reeling after what happened to Bobby, Dean becomes dangerously obsessed over finding a way to take down Dick Roman. Meanwhile, Sam decides to help a teenage girl look for her father, a hunter who has gone missing. Sam traces his last steps to a truck stop where the help turns out not to be so friendly.

40S - Sam and Dean tangle with the God of Time, who sends Dean back to 1944, where he is immediately arrested by none other than the one and only Eliot Ness. While trying to figure out how to retrieve his brother, Sam is surprised by the reappearance of an old friend.

Sam and Dean investigate a case where the victims' hands and feet have been severed and each have been branded with a strange symbol. While Sam does some research at a local university, Dean heads to one of his favorite places to investigate the town bar. Dean strikes up a conversation with a local named Lydia, and the two go back to her place. Sam discovers the symbol on the bodies is a sign of Amazon warriors.

Sam is forced to confront a childhood fear when a case takes him and Dean to Kansas to investigate Plucky Pennywhistle's Magical Menagerie, a local pizza chain that hosts children's birthday parties. Sam and Dean discover that the victims' children had recently been to the restaurant and drawn a picture of their worst fear, which then came to life to kill their parent. While Dean confronts the man behind the magic, Sam is left to deal with some very angry clowns.

Four years ago, Sam and Dean helped a woman named Nora exorcise a demon that was systematically killing women in a small town. They managed to save the postal worker, Jeffrey, while vanquishing the demon but now it seems the black-eyed monster has reared his ugly head and returned for a second helping. The brothers visit Jeffrey, who has been locked in a psych ward since the incident, to see if he can remember any of the demon's plans while he was possessed.

Dean is surprised when he gets a call from Garth asking for the brothers' help on a case. Sam and Dean discover they are battling a Shojo, a Japanese creature sent to seek revenge on enemies. The worst part about fighting a Shojo? You can only see it when you're drunk.

Sam and Dean investigate a string of unusual murders where the victims were all recipients of organs from the same donor. The killer is captured, but things become even more complicated when the brothers find their killer in a trance mumbling an ancient prayer.

Sam and Dean investigate a bizarre murder in a college town. Close on the tail of their suspect, they bust into an apartment to find two dead bodies and a laptop cued up to some disturbing video footage. The footage begins with Brian, Mike and Kate hearing about an unusual animal attack in their town and the rest of the story is revealed through their eyes. Sam and Dean become unknowing participants in a unique student film.

Sam and Dean investigate a murder and find Garth is already on the case. Dean is not happy to learn that Garth has assumed Bobby's duties, but Garth points out that both Sam and Dean have been missing for the last year and someone needed to do it. They guys discover an "avenging ghost" is responsible for the murders and they need to find the source before the killings starts again.

Sam and Dean investigate the mysterious deaths of two LARPers who were playing a game entitled Moondoor. The guys are thrilled to discover the Queen of Moondoor is none other than Charlie. The three learn that a fairy has been commandeered to harm people and the only way to stop her is to find her master.

Sam and Dean investigate the death of Rabbi Bass, who spontaneously combusted. The case becomes ever more confusing when they learn that the Rabbi was researching Nazi Necromancers. Sam and Dean are attacked by a Golem who turns out to belong to the Rabbi's grandson, Aaron. The key to the case lies with the Golem but Aaron doesn't know how to control him, which leaves everyone in danger.

Police officer named Kevin, who turned to witchcraft after working a case with Sam and Dean, is plagued by nightmares in which he murders innocent people. However, when the murders actually happen, Sam and Dean are called in by Kevin's "familiar" to help -- but the brothers aren't sure they want to save a witch.

Sam and Dean are stumped when they investigate a possible zombie case where an amnesiac man dies and then revives himself once a day. After the guy is attacked by the goddess Artemis, Sam and Dean realize he's not a zombie but instead a god, more specifically, Prometheus.

Sam and Dean investigate some recent vampire kills and are surprised to learn Krissy Chambers is involved. They find Krissy and learn her father was killed and she's been taken in by a man named Victor, who has taken in a group of orphan kids to teach them how to hunt. Victor is helping the teenagers find the vampires who took their parents so they can get revenge. Sam is intrigued by Victor's method of giving the teenagers a home life as well as a hunting life, but Dean is suspicious of Victor's motives.

Concerned about the physical toll the second trial took on Sam, Dean benches his brother from hunting until he heals up. So, when geektastic hacker Charlie stumbles upon a case and finds the boys, Dean decides it's time to teach Charlie how to be a hunter-in-training. While happy to see "her highness," the boys suspect Charlie is hiding something; a secret that could get her killed.

Sam and Dean discover that the table in the Men of Letters house, has an ancient computer attached to it. They figure if they can get the computer on, they can track the angels. Who better to call for help than the best IT girl there is, Charlie ? While moving the massive computer, they dislodge a hidden hexbag that unleashes a magical green-webbed wall. Sam and Dean break through it and discover the one and only Dorothy from Oz. She had trapped herself and the wicked witch in the web years ago to stop the witch from finding the key that would open the gate that connected their world with Oz. With the wall broken, a massive and magical fight ensues that threatens to destroy the Men of Letters house.

While investigating two bizarre murders, Sam and Dean realize there is an eyewitness to both gruesome deaths - a German Sheppard. Anxious to find out if they are dealing with a witch, a skinwalker or other supernatural monster, the guys look up a spell that could let Dean "communicate" with the dog. Unfortunately, the spell comes with side effects that no one saw coming.

Dean gets a call from an old friend named Sonny asking for help with a ghost. Sonny runs a home for delinquent boys, and Dean was sent there for stealing food when he was younger. Sam is stunned he never knew this about his brother and asks for more information, but Dean dodges his questions. Another murder occurs while Sam and Dean are at the house, so they scramble to find the culprit before anyone else dies. Meanwhile, Dean looks up an old girlfriend and recalls his time at the house.

Sheriff Mills calls Sam and Dean for help investigating multiple murders in her small town. Discovering all four victims belonged to the same church chastity group, Sam and Dean decide to infiltrate by joining the group themselves. When Dean disappears, Sam and Sheriff Mills realize whatever they are hunting has taken Dean too and team up to rescue him.

After finding out that Garth is in the hospital, Sam and Dean go to check on him. Still carrying the guilt over Kevin, Dean lays into Garth about disappearing and demands to know where he's been. Garth makes an excuse and then hightails it away from the guys. Confused as to why Garth would run from them, Sam and Dean do some investigating and are stunned by what they find.

Sam and Dean investigate recent murders where the victims were hundreds of pounds lighter after their deaths. Suspecting witches, the two go undercover at a fancy day spa that all of the victims had attended for weight loss. While Sam is hired as a fitness instructor, Dean takes kitchen duty. After Dean swipes some tainted food and passes out, the guys realize someone is drugging the guests and literally sucking all of the fat out of them until they die.

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.

Sheriff Mills calls Sam and Dean after she kills a vampire who attacked a prisoner named Annie. They discover Annie was kidnapped by a family of vampires who use her as bait to lure in humans they can then feed on. Sheriff Mills tries to rescue Annie from her captors, but finds out the hard way that family always comes first.

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.

A recent string of werewolf attacks points to a surprising culprit - Kate, the werewolf Sam and Dean let live.

Dean is surprised when he checks Bobby's cell phone and hears a message that says Bobby or his next of kin have been named as a beneficiary in an heiress' will. Hoping that means extra money, Dean talks Sam into hitting the road to claim their fortune. However, what they encounter at the house is far from a treasure chest.

Jody Mills reluctantly attends a mandatory sheriff's retreat and is partnered with an overeager sheriff named Donna who wants to bond. Just as Jody thinks things can't get any worse, a body with just strings of meat and skin hanging off the bones is discovered. While the local sheriffs blame an animal attack, Jody knows better and calls Sam and Dean.

Sam is scanning the internet for suspicious paranormal activity and comes across a video of Charlie beating up a district attorney. Dean suspects she's back from Oz and hunting on her own, assuming the district attorney must have been a demon. When they do find Charlie, they are shocked when she tells them why she really came back from Oz.

Looking to get Dean out of the bunker, Sam finds a case for him and Dean to investigate - people are disappearing into thin air with only their clothes left behind. Sam and Dean suspect fairies or angels, but the truth turns out to be much more shocking - Hansel, from Hansel and Gretel lore, is kidnapping people and turning them into their younger selves to placate the evil witch. Unfortunately, Dean finds this information out the hard way after he becomes Hansel's next victim and reverts to his 14 year old self.

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.

Despite Dean's directive to forget about looking for a cure for the Mark of Cain, Sam continues to do research. Dean suspects Sam is hiding something but decides to focus on a new murder case where they run into Cole. The three team up and learn a Khan worm is infecting men and turning them into murderers. Unfortunately, the worm makes it's way into Cole.

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.

When Claire Novak gets a lead on her mother, Amelia, who has been missing for years, Castiel asks Sam and Dean to help her. Castiel feels guilty for what he did to the Novak family and wants to make amends by reuniting Claire with her mom. However, when they find out what took Amelia, they realize there is a chance Claire may not get her happy ending.

A college student wearing a rabbit mask kills a man in Minnesota, and Sheriff Donna calls in Sam and Dean for help. They soon deal with the rabbit, but a harlequin and then a clown attack the local high school coach. Meanwhile, Dean finds Sam praying to God.

Sam's imaginary friend Sully appears at the bunker and asks the Winchesters for help. Someone is murdering his fellow imaginary friends, and he needs hunters to track the killer down.

Sam and Dean pay a visit to Jody after one of her wards, Claire Novak, calls them and insists that there are monsters in their town. A corpse soon turns up, and Jody and the Winchesters realize that Claire was right.

When a babysitter is murdered on Valentine's Day and her heart torn out of her chest, the Winchesters learn about it and investigate. They discover that an ancient curse is responsible for the death, and that it's passed on by kissing. To save the next victim, Dean kisses her... marking himself for death.

The brothers go to a wake to pay their respects to a dead wrestler who was John's favorite, and discover that the show has left a trail of bodies behind it. Meanwhile, Crowley escapes from Hell and goes to get a weapon capable of stopping Lucifer.

Sam and Dean take a break from looking for Amara to check out a case of a girl going into a coma. They soon discover that their case is connected to a similar case that Bobby and Rufus investigated several years ago... and never completely solved.

Sam and Dean save a couple from two werewolves, but Sam is shot in the process. Dean tries to get Sam and the couple to safety, but Sam dies... and Dean is forced to abandon him.

The Winchesters investigate a series of mysterious disappearances every 27 years, and run into a pair of hunters where one is looking for revenge against the creatures that took his brother.

An increasingly nervous Mary suggests to her sons that they investigate two mysterious deaths where the victims were attracted by the call of a baby. Meanwhile, Lucifer forces Rowena to help him preserve Vince's body, while Castiel and Crowley join forces to track him down.

When a priest reports that demons flayed a woman in his church, Sam and Dean investigate and find a religious family at the heart of the problem.

The Winchesters stumble upon a Thule plan to steal a pocket watch and abduct a young woman... and discover that Hitler is planning on making a comeback.

Sam and Dean go with Jody to the wake of a legendary Hunter, and discover that there are a few legends about themselves. They also find a killer among them when one of the Hunters turns up dead.

When Castiel's former angelic squadmates turn up dead, he goes to investigate and the Winchesters insist on tagging along. They soon discover that the killer has a grudge against angels... and one in particular.

Sam is forced to call in Rowena when a witch hits Dean with a spell that causes him to lose his memory... and if the spell continues, Dean will soon die when he forgets how to breathe.

When three teachers are brutally killed, Sam and Dean discover that they were all tied to a salvaged ship that Crowley's son Gavin was going to take to America until Crowley teleported him through time.

Mary brings Sam to a Men of Letters compound to convince him to join their cause. Meanwhile, Fetch approaches Dean and takes a different approach to recruitment.

Two campers are attacked by a hellhound, and Crowley reveals to the Winchesters that the creature is the First Hellhound. Meanwhile, Lucifer negotiates his release from Crowley's imprisonment, and an angel approaches Castiel with an offer.

Mick convinces Sam and Dean to take him on a case involving a werewolf attack. However, they soon discover that the British Man of Letters has an ulterior motive.

The Men of Letters send Sam and Dean to investigate the case of a murderous goat man in Wisconsin while they check out the bunker to learn all of the Winchesters' secrets.

Sam and Dean get a call on one of Mary's phones from Alicia Banes. Alicia and Max are looking for their mother Tasha, and the trail leads to a boarding house in Wyoming. Meanwhile, Mary discovers that Ketch has been lying to her.

After a wraith kills a psychic, Missouri investigates the death of her friend and calls in Dean and Jody. They help track down Missouri's granddaughter, who also has "the gift" and is the wraith's next target. Meanwhile, Sam tries to help Jack develop his powers.

After the Winchesters find Castiel, they reunite him with Jack. Together, the group goes to Tombstone to check out a case of grave robbing, and Jack makes a serious mistake.

To obtain a tracking spell that can locate Jack, Sam and Dean make a deal with the new king of crossroad demons. If the brothers steal a trunk for the new demon, Barthamus, then he'll give them the spell. However, things don't go quite as planned.

Donna's niece Wendy goes missing near a truck stop, and she calls on the Winchesters for help. They soon discover that Wendy's abductor is part of an online business providing food to monsters.

Two young witches use a love spell to get what they want... and they want the Black Grimoire stored at the bunker. Meanwhile, Lucifer and Castiel try to escape from Asmodeus' imprisonment, and are forced to work together.

San and Dean go looking on the black market for the blood of "a most holy man", and become involved trying to recover the stolen skull of St. Peter.

Sam and Dean get a lead on the last item they need to open the rift: the Seal of Solomon, at a Men of Letters chapterhouse in Rhode Island. They soon discover something else: a woman imprisoned there for over 80 years. Meanwhile, Asmodeus teaches Ketch his place in the demon prince's hierarchy.

While Castiel goes to Heaven to try and recruit help, Sam and Dean learn that Rowena is killing people in Portland... and Death has an interest in stopping her.

To get Dean out of his funk, Sam takes him along to investigate a case of an action figure coming to life and attacking a comic book store employee.

After Maggie disappears while checking out a ghoul sighting, Sam and Dean go to rescue her. They meet up with Mary and Bobby, and run into a number of bizarre manifestations.

Sam and Charlie team up to get to the bottom of a string of random disappearances; Jack believes that he has found a case and convinces Dean to partner with him on the hunt.

While Sam and Dean go on a monster hunt against a monster that they can find out little about, Jack makes new friends with the local Lebanon teenagers but things go horribly wrong.

The Winchesters travel to Iowa to investigate a vampire-related death, and soon find themselves in the middle of a family affair.

Sam and Dean meet an old friend, and Sam goes to Rowena's apartment to find a resurrection spell. Meanwhile, Castiel finds himself drawn into a monster-hunting case when a local boy turns up dead.

Dean goes on a Hunt by himself and meets an old friend. Castiel returns to the bunker and calls in a specialist when Sam's condition takes a turn for the worse.

Sam and Dean hit the road to help an old friend, but it appears that their luck may have finally run out and they are the ones who may be in need of rescue.

Sam and Dean press their luck in a winner-takes-all game of pool. Meanwhile, Castiel hunts down a would-be murderer, but not for reasons one might think.

Sam and Dean respond to a frantic call and together along with Castiel, Jack and Jody, assist in an extraordinary and heartbreaking rescue. Billie surprises everyone with a visit to the bunker.

Sam and Dean discover a wood nymph living in the bunker who is determined to protect her family, at any cost.

Castiel and Jack work a case involving members of a local church. Meanwhile, Sam and Dean go off in search of Amara.

Sam and Dean are asked to investigate the murder of a childhood friend, calling them back to a motel from their past and perplexing the brothers with a case they thought was solved a long time ago.