Two brothers witness their mother's paranormal death and are trained to fight by their father, who aims to hunt down the thing that killed his wife.
Sam and Dean follow the coordinates in their father's journal and land in Colorado, where they investigate the disappearance of several campers.
In a small town in Wisconsin, Sam and Dean investigate a series of mysterious drownings officially explained as suicides.
On United Britannia flight 2485, a man possessed by the spirit of the Phantom Traveler causes the plane to crash, leaving only seven survivors.
Several high schoolers dare their friend to look into a mirror and repeat a chant, not knowing that this will unleash a series of mysterious murders.
Sam and Dean help Sam's old college buddy after he is accused of a murder he swears he didn't commit.
In a small town in Iowa, Sam and Dean encounter the infamous "Hook Man," a spirit who kills his victims with a shiny hook that serves as his hand.
Sam and Dean investigate a town's history and find that a new housing development is being built on sacred Native American land.
Sam is haunted by a vision of a woman trapped in the brothers' childhood home and convinces a reluctant Dean that they need to go back there.
Sam and Dean investigate an abandoned sanitarium and discover the patients had revolted against the cruel punishments inflicted by the head doctor.
Sam and Dean finally make contact with their father, but he tells them to stop looking for him and sends them on another ghost-hunting job.
While battling a demon, Dean is electrocuted, resulting in permanent damage to his heart and leaving him with only a couple of months to live.
Dean is contacted by his first love, Cassie, a girl who asks him to come to Mississippi to investigate a string of racially motivated murders.
Sam has a premonition in which a man is killed, but the murder is made to look like a suicide.
Sam and Dean head to Minnesota, where a young boy witnesses a man vanishing into thin air.
While investigating a mysterious death in Chicago, Sam and Dean run into Meg, who is thrilled to see Sam again.
Sam and Dean investigate a house haunted by the ghost of a man who killed his six daughters during the 1930s.
Sam and Dean investigate a small town in Wisconsin where children are falling into comas for no apparent reason.
A young husband and wife are killed in their home shortly after buying an antique painting of a family portrait from around 1910.
After a vampire hunter who was John's mentor is murdered, Sam and Dean are surprised when John himself shows up to solve the case.
After Sam has a vision of a family being attacked, the brothers and their father head to Salvation, Iowa, to save the family in Sam's dream.
On a mission to save their father from Meg, Sam and Dean seek help from an old family friend.
Sam, Dean and John were left for dead after the Demon plowed a truck into the Impala. Now the surviving family members must face a powerful adversary.
After listening to a message on John's cell phone from a woman named Ellen, Sam and Dean decide to track her down.
Sam and Dean encounter Gordon, a fellow demon hunter who has been systematically killing vampires in a small town.
Dean and Sam investigate the murder of a college student who has come back from the dead seeking revenge on those who mistreated her.
Sam and Dean meet Andy, a slacker who has psychic powers of persuasion that he uses to gain favors from people.
Sam and Dean investigate the brutal slayings of blonde women from the same apartment building.
Sam and Dean investigate the murder of a lawyer and his wife. Right before they died, they claimed they'd seen a ghost.
When two highly successful professionals die after claiming to be haunted by hellhounds, Sam and Dean investigate a local bar.
When Sam has a vision of Dean killing a young man who seems to be possessed by a demon, the two brothers head to Oregon to search for answers.
After Dean tells Sam what their father told him before he died, the distraught Sam sneaks off to Indiana alone.
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.
Sam and Dean investigate a string of robberies with a disturbing pattern.
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 receiving a frantic call from Sam, who has been missing for more than a week, Dean races to his brother's side.
Sam and Dean call on their friend Bobby for help after they are stumped by violent and inexplicable happenings on a local college campus.
While driving down a deserted road, Sam and Dean are startled when a bloody woman runs in front of the Impala, screaming for help.
While 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 and Dean travel to Hollywood to investigate the death of an actor on a horror film set after rumors spread that he was killed by a ghost.
After hearing about a ghost that has been killing off prison inmates one by one, Sam and Dean decide the best way to investigate is from the inside.
While hunting a djinn, or genie, Dean is attacked and transported to an alternate world.
Sam is abducted by the yellow-eyed demon and finds himself in a ghost town with children who have special abilities.
While dealing with the aftermath of the fight between Sam and Jake, Dean pays a steep price for his involvement.
Sam and Dean realize they have an enormous task: hunting down the hundreds of demons that escaped from the Devil's Gate.
Dean pressures Sam into traveling to Cicero, Ind., so Dean can visit an old flame named Lisa, with whom he had a tryst nine years ago.
Sam and Dean answer a call on their father's old cell phone, alerting them that someone has broken into their dad's secret storage room in New York.
Sam and Dean investigate a rash of violent deaths in Elizabethville, Ohio, a once-sleepy town that has become a haven for gamblers and drinkers.
Sam and Dean investigate a small town that has been plagued by a number of strange murders mimicking fairy tales.
Sam and Dean investigate the mysterious demise of drowning victims who were nowhere near water at the time of their death.
Sam and Dean capture a female vampire named Lucy who claims to have no knowledge of how she became a vampire.
It's Christmastime, and Sam and Dean investigate a series of murders where the victims were pulled up through chimneys.
Sam and Dean travel to Sturbridge, Mass., and discover a coven of witches that has killed two people.
When Bobby falls into a coma and can't be awakened, Sam and Dean race to his side.
While Sam and Dean are investigating the disappearance of a man from a tourist location, Dean is shot and killed.
Sam and Dean break into Bela's apartment in order to get the Colt back, but she has tipped off Agent Henriksen to their whereabouts.
Sam and Dean stumble into starring roles on a gritty reality show called "Ghostfacers," which chronicles the pursuit of the paranormal.
Dean is stunned to receive a phone call from his dad, who says he has a solution to get Dean out of his deal.
As time runs out for Dean, Sam convinces him to head to Erie, Pa., to investigate a possible zombie case.
In a battle to the death, Sam, Dean and Bob take on Lilith and all her demons in a last-ditch effort to save Dean's life.
Dean wakes up in a pine box, freed from Hell. He has a joyful reunion with Sam but they wonder what pulled Dean from Hell -- and why.
Sam and Dean are stunned when the spirits of Meg and Agent Henricksen appear.
Dean is transported back in time and finds that his newfound grandfather may be hiding a secret that is key to Sam and Dean's predicament.
Sam and Dean find that a family man is turning into a flesh-eating monster, and they argue about killing him.
Dean and Sam investigate murders at Oktoberfest. Dean determines a shape-shifter demon is appearing as iconic monsters from old Hollywood movies.
Dean is infected with an illness that starts as anxiety, but moves to full-blown terror and stops the heart.
The brothers deduce a witch is sacrificing people to summon a dangerous demon. Robert Wisdom guest stars as Uriel, a specialist angel.
Sam and Dean investigate a small town where a wishing well actually works. The brothers realize, however, that the end result could be disastrous.
Ruby, Sam and Dean look for a girl who hears the angels. Castiel and Uriel return.
Anna recalls her past and Sam and Dean understand why Castiel and Uriel want her dead.
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.
Barry Bostwick, John Rubinstein and Richard Libertini guest star as three friends who used to be famous magicians but have since been replaced.
Sam and Dean go undercover at their old high school, causing them to flash back to when Sam was picked on by the school bully and Dean was popular.
Sam and Dean find three small-town men have beaten their wives to death. Behind the murders is a siren, who puts the brothers under her spell.
Pamela sends the boys to the spiritual world when they find people cheating death. They must face Alastair, who is kidnapping the Reapers.
Castiel and Uriel capture Alastair, and ask Dean to torture him with skills he learned in Hell.
What if the Winchesters weren't hunters? In this alternate life, Dean is a corporate man who enjoys health drinks and Sam is in tech support.
Sam and Dean discover "Supernatural," a series of books that accurately detail their lives as demon hunters.
A 19-year-old boy named Adam calls Sam and Dean looking for John Winchester; the boy claims to be his son.
Dean and Sam search for Castiel, who appeared to Dean in a dream. Instead, they find Castiel's human vessel, who has little memory of being an angel.
Dean and Bobby lock Sam in Bobby's panic room so he can detox from the demon blood. Sam and Dean have a big blowout confrontation.
Sam and Dean prepare for the apocalypse in different ways. Ruby, Lilith, Castiel and Zachariah appear.
Dean and Sam watch as the devil emerges from hell and must deal with the aftermath.
While Castiel goes in search of God in the fight against Lucifer, Sam and Dean help an old hunter friend of Bobby's.
Not sure he trusts himself anymore, Sam decides to give up hunting. Meanwhile, Dean teams up with Castiel to find the Archangel Raphael.
Dean gets a glimpse of the future in which humans have been infected with a demonic virus that turns them into zombies.
Sam and Dean reunite to investigate a small town whose inhabitants are being killed by famous dead people.
Investigating a series of odd murders that resemble fairy tales and urban legends, Sam and Dean track down a dangerous boy named Jesse.
Sam and Dean play a high-stakes poker game with a witch where the currency is life years -- not money.
Sam and Dean get stuck in TV Hell when the Trickster imprisons them in an alternate universe.
Sam and Dean attend a "Supernatural" fan convention -- complete with fans dressed up as Sam and Dean.
It's a hunters' reunion when Sam and Dean face off against Lucifer with the help of Castiel, Bobby, Ellen and Jo.
Sam and Dean check into a mental hospital to investigate a mysterious monster that's been attacking the patients.
A teenage nerd conjures up a body-switching spell and changes bodies with Sam.
The angels go back in time to kill John and Mary Winchester before they can conceive Sam.
Castiel helps Sam and Dean hunt down Cupid on Valentine's Day after people begin killing each other for love.
The dead are rising from their graves and happily reuniting with their families in Bobby's hometown.
Ambushed by angry hunters, Sam and Dean are shot and killed and sent to heaven!
Outnumbered by demons, Sam and Dean are saved at the last minute by a hunter and his very religious townspeople.
When Dean learns that the angels have decided they don't need him anymore, he joins with Sam and Castiel to take on Zachariah.
Sam and Dean are held hostage by a group of gods who want to use them as bargaining chips to stop the apocalypse.
The demon Crowley offers to help Sam and Dean find the remaining Horsemen by leading them to the Handler for Pestilence and Death.
Bobby sells his soul to the demon Crowley in exchange for the location of the Fourth Horseman.
With the apocalypse looming in a showdown between good and evil, Sam and Dean realize they are out of options.
Mysteriously freed from hell, Sam finds Dean and tells him he needs to rejoin the fight.
Sam investigates a case involving missing babies whose parents are being murdered.
Investigating a case of biblical plagues, Sam and Dean call Castiel for help and learn that God's weapons have been stolen.
After Bobby discovers Crowley has no intentions of returning Bobby's soul, the hunter takes matters into his own hands.
After fighting a group of vampires, Dean is bitten and turns into a vampire.
Sam and Dean investigate a series of suicides and discover that someone is invoking the Goddess of Truth, forcing people to be cruelly honest.
Dean becomes suspicious of Samuel's motives when the brothers go along on a hunt with their grandfather and the other Campbells and things go awry.
Sent to investigate an apparent werewolf attack, Dean and Sam follow the clues to a mother and son with an unusual dog.
While Sam and Dean are investigating a UFO sighting, Dean is abducted from a crop circle.
The demon Meg kidnaps Sam and Dean for information on Crowley. Sam offers to help her if she'll help get his soul back.
Dean makes a deal with Death to help get Sam's soul back, but Sam decides that he doesn't want it back and enlists help to keep it that way.
When Dean and Sam discover what's behind the disappearance of several virgins, they turn to an expert in medieval lore for help.
When Sam receives a mysterious text with coordinates to a small town, he starts to have flashbacks to an old case.
When Ben calls Dean and tells him that Lisa is in trouble, Dean leaves Sam to investigate a case alone and rushes to the rescue.
Sam and Dean are transported to an alternate reality where they are the stars of a TV show called "Supernatural."
In search of the Mother of All's latest monster, Sam, Dean and Bobby run into Samuel and Gwen Campbell and fight about how to handle the case.
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.
Sam and Dean are sent back in time to the Wild West so they can meet Samuel Colt and ask him for his help in defeating Eve.
Sam, Dean, Bobby and Castiel track Eve to a small Oregon town, where she's transforming the inhabitants into demons.
Castiel tells Sam, Dean and Bobby about the war in heaven and how he and Raphael became enemies.
Dean's worst nightmare comes true when a demon kidnaps Ben and Lisa to get to him.
The wall comes down in Sam's mind and all hell breaks loose, while Dean and Bobby are powerless to help. The battle for heaven comes to a head.
Assuming his new role as God, Castiel sets out to right some of the wrongs in the world. And Dean decides to bind Death in order to stop him.
While Castiel struggles with the burdens of his absolute power, the broken psychological wall in Sam's mind leaves him unable to discern what's real.
Dean is furious when Sam disappears to follow a case with clues identical to a case Sam solved as a kid. And Sam meets a demon he defeated years ago.
Investigating a string of gruesome murders, Sam and Dean discover the vengeful Egyptian god Osiris, who puts Dean on trial for his past mistakes.
Sam and Dean track down a witch who's taking out her wrath for her unfaithful husband on the entire town.
Once again on the FBI's "Most Wanted" list, Sam and Dean seek help from a friend of Bobby's when two Leviathans go on a killing spree as Sam and Dean.
Sam and Dean investigate an angry spirit killing the resident mediums of Lily Dale, the most "psychic" town in America.
While Sam's entangled with someone from his past, Dean reluctantly teams up with a quirky laidback hunter named Garth.
Sam and Dean track the Jersey Devil, a creature suspected of attacking people in the woods, and encounter a monster sandwich with nasty side effects.
Bobby seeks the help of an unlikely old friend to solve one of the most personal cases of his life.
While Dean becomes obsessed with eliminating Dick Roman, Sam helps a teenage girl look for her father, a hunter who's gone missing.
The God of Time who sends Dean back to 1944, where he is immediately arrested by the legendary Eliot Ness who, surprisingly, is also a hunter.
Dean's rendezvous with an Amazon warrior has serious complications!
Sam confronts his fear of clowns when he and Dean investigate a children's pizza chain that's manifesting children's worst (and deadliest) fears.
Sam and Dean investigate the apparent reappearance of a demon they exorcised years ago.
Sam and Dean visit a town gone haywire after a large collection of cursed objects is mistakenly released.
Desperate to save Sam from Lucifer, Dean calls every hunter for help, but instead meets a healer with a familiar face.
Garth needs the Winchesters' help on a case, battling a Shojo -- a Japanese creature sent to seek revenge on enemies.
Sam and Dean get a call from a hunter friend, Annie, asking for help on a case. They arrive town only to discover that Annie is missing.
An unsuspecting, but hip hacker is hired by Dick Roman to break through Frank's firewall and gain information on the Winchesters.
At the same time that Castiel emerges from his comatose state, a young boy emerges as a reluctant prophet -- with the key to defeating Leviathans.
To defeat Dick Roman and the Leviathans, Sam and Dean must locate three key items that must be retrieved from Castiel, Crowley and an Alpha Vampire!
In order to stop Dick Roman and the Leviathans, Sam and Dean must team up with Castiel, Bobby, Meg and the prophet Kevin to storm SucroCorp.
After escaping from Purgatory (but not alone), Dean heads straight for Sam, but the reunion isn't exactly everything he imagined it would be.
Checking in on Kevin's mom, the Winchesters discover that Crowley has surrounded her with demons, so they save her and take her along on their quest.
Sam and Dean investigate a string of unusual murders in which the victims were all recipients of organs from the same donor.
Close on the tail of their suspect, Sam and Dean bust into an apartment to find two dead bodies and a laptop cued up to some disturbing video footage.
After Dean's vampire companion in Purgatory, Benny, gets brutally beat up by his own kind, he calls Dean for help in going after his maker.
Investigating a murder, Sam and Dean find that Garth is already on the case. Garth says since the brothers went missing, someone needed to step up.
Castiel suddenly appears back on Earth with no memory of how he escaped from Purgatory. Mrs. Tran enlists a witch to concoct a demon bomb.
After learning that Castiel plans to be a hunter, Sam and Dean join him in investigating a case where a man's heart literally burst through his chest.
Sam and Dean are at odds after Sam asks a hunter named Martin to keep an eye on Benny without telling Dean.
Naomi tells Castiel that Crowley is holding an angel captive, and Castiel must rescue him before Crowley's torture reveals their secrets.
Sam and Dean investigate the mysterious deaths of two LARPers (Live Action Role Players) who were engaged in a game involving an actual fairy.
Sam and Dean are stunned when a man who claims to be their grandfather, Henry Winchester, suddenly appears to stop a demon named Abbadon.
Sam and Dean investigate the death of a rabbi who spontaneously combusted. They soon learn that the rabbi was researching Nazi Necromancers.
Kevin finally deciphers the God tablet, telling Sam and Dean that one person must face a series of three tests designed by God.
A police officer, who turned to witchcraft after working a case with Sam and Dean, is plagued by nightmares in which he murders innocent people.
Sam and Dean are stumped when they investigate a possible zombie case where an amnesiac man dies and then revives himself once a day.
Castiel tells Sam and Dean that Crowley has unleashed several demons into a small town to search for Lucifer's Crypt, which holds a valuable asset.
Sam and Dean investigate some recent vampire kills and are surprised to learn that teenage hunter Krissy Chambers is involved.
Sam and Dean respond to Kevin, who is hearing Crowley's voice in his head. They later team up with a reaper to deal with the tablet's second trial.
Concerned about the toll the second trial took on Sam, Dean benches his brother until he heals up. Dean teaches Charlie to be a hunter-in-training.
After receiving a message from Kevin, Sam and Dean try to uncover the third trial. The boys make a discovery that sends them to a casino in Colorado.
As the third trial nears, Sam and Dean reunite with Castiel. They stumble upon an undiscovered film, which could be the key to the third trial.
What must Sam, Dean and Castiel sacrifice to seal the gates of Hell? With Kevin's help, the Winchester brothers have one last play against Crowley.
Devastated by Sam's collapse, Dean makes a pact with Ezekiel while his brother fights to live. Meanwhile, Castiel struggles to survive without powers.
Dean shocks Sam when he opens the Impala's trunk to reveal he's kidnapped the King of Hell. Meanwhile, Abaddon rises with plans to take over his role.
After Ezekiel tells Dean a group of angels is hunting Castiel, he and Sam race to find their friend before the vengeful angels do.
The brothers call in IT expert Charlie to help them track fallen angels, and they all join forces with Dorothy to stop the Wicked Witch's evil plans.
After a series of killings by a murderer with animal traits, Dean casts a spell to communicate with a German Shepherd -- with unfortunate side effects.
Dean and Castiel investigate a series of spontaneous human combustions, while Crowley helps Sam and Kevin translate an ancient tablet.
When an old friend of Dean's asks him to help solve a murder, Sam learns that Dean has a secret past -- one that will help them solve the crime.
Sheriff Mills calls the brothers to help solve the murder of a church chastity group's members. They infiltrate the group, then Dean disappears.
The angel war begins, so Sam, Dean and Castiel investigate; Castiel is captured and Dean wonders if he needs to come clean to Sam about Ezekiel.
Gadreel is still in control of Sam's body while on a murder spree for Metatron, but Dean, Castiel and Crowley have plans for an angel eviction.
Hoping to kill mutual enemy Abaddon, Dean and Crowley search for the "First Blade" and are stunned to find out its owner is Cain, the first son.
Garth is in the hospital after mutilating a cow and being hit by a car. They try to help him, but Garth runs away -- with a dark secret in tow.
The Winchesters head to a health spa where guests wind up dead -- and hundreds of pounds lighter. Sam and Dean suspect fat-sucking witchcraft.
Sam and Dean are stunned to discover that the Men of Letters's bunker is haunted. Meanwhile, Castiel is captured by Bartholomew.
When a teenage girl is killed, the final selfie she took before the attack shows a shadowy figure in the background. Can Dean and Sam find the ghost?
When Crowley confesses he's been injecting human blood, Sam and Dean enlist the help of a former member of the Men of Letters to find the First Blade.
With Sam looking into a town where good people are turning into violent killers, Dean confronts the aftereffects of having the Mark of Cain.
Metatron tries to persuade Castiel to join him, and the Winchesters finally capture Gadreel, who tries to play Dean's Mark of Cain against him.
When a prisoner is attacked by a vampire, Sheriff Mills calls Sam and Dean, who discover the victim was kidnapped by an entire vampire family.
The brothers investigate stories of Mafia-like monster families living under Chicago's streets and meet Ennis, a would-be hunter of monsters.
Castiel captures one of Metatron's angels and asks Sam and Dean for help. Meanwhile, Abaddon demands that Crowley help her kill Sam and Dean.
After a massive attack on the angels, Castiel calls the brothers for help. But Dean's eagerness to bring the First Blade doesn't go unnoticed.
Dean feels the effects of the First Blade, and Metatron makes his move against humanity. Meanwhile, Sam, Dean and Castiel face shocking consequences.
Sam's frantic search for his brother takes him down dangerous paths, while Dean lives it up with Crowley and Castiel faces his own mortality.
As Dean spins out of control, Crowley reaches out to Sam for help. Meanwhile, a man with a grudge plots revenge on Dean.
Facing mounting problems in hell, Crowley seeks out an unlikely ally in Castiel, while Sam's determined efforts to cure Dean hit a snag.
After a break from hunting, Sam and Dean investigate a string of werewolf attacks and settle on a surprising suspect.
While looking into a teacher's disappearance, Sam and Dean are stunned to discover her school is putting on a musical based on their lives.
Sam and Dean hit the road to collect a possible inheritance but find a surprise waiting for them once they reach their destination.
After discovering that powerful witch Rowena is recruiting followers, Sam and Dean come up with a plan to capture her. But they've got competition.
Sheriff Jody Mills calls on Sam and Dean to help with a grisly discovery near a sheriff's retreat, where she's paired with an overeager partner.
Guilt drives Castiel to track down his vessel's daughter and break her out of a group home. Elsewhere, Rowena tries to reach out to Crowley.
Desperate to find a cure for the Mark of Cain, Castiel comes up with a plan.
After Sam stumbles across a video of Charlie Bradbury attacking a district attorney, the brothers track her down to find out why she's back from Oz.
The brothers travel to a town in Oregon where people are disappearing into thin air, and Dean finds out the hard way who's to blame.
When a vengeful spirit starts killing off a group of friends through their electronic devices, Sam and Dean race to find an explanation.
Cain's return leaves Sam, Dean and Castiel scrambling. But when Crowley agrees to help them, he finds himself in an awkward position.
While investigating a case involving two soldiers just back from Iraq, Sam and Dean run into Cole and reluctantly agree to let him help.
A string of grisly suicides leads Sam and Dean to a Catholic church in Massachusetts, while Crowley and Rowena target the head of the Grand Coven.
Sam and Castiel set out on a mission to find a cure for the Mark of Cain, and Crowley's relationship with Rowena is put to the test.
When Charlie calls to say she's found the Book of the Damned, the brothers race to meet her. But someone else is hot on her trail too.
The search for a magical box that could help decode the Book of the Damned leads the brothers into danger.
Castiel and the brothers try to help Claire Novak find her missing mother in Oklahoma but discover a troubling connection.
A familiar tattoo leads the brothers deeper into the world of the Styne family, and Castiel plays referee between Charlie and Rowena.
A devastated Dean plots revenge on the Styne family, while Sam reawakens Crowley's dark side.
Realizing that the Mark of Cain has pushed him too far, Dean makes a drastic decision, while Rowena readies a spell that could have huge consequences.
After releasing the Darkness, Sam and Dean encounter a mysterious new entity who's more powerful than any angel.
Crowley seems to have plans for baby Amara, who displays startling powers. An infected Sam races to find a cure for the toxic fallout of the Darkness.
Rowena tries to recruit witches, while Castiel struggles to control the attack-dog spell coursing through his veins. Amara feeds -- and grows.
Shot entirely from within the Impala, this episode follows Sam and Dean as they hunt a ghoul-like creature and try to make sense of an ominous dream.
Sam and Dean investigate murders at a hotel devoted to Lizzie Borden, but the paranormal signs all seem to be fake -- until they dig deeper.
A teen who's lost her soul leads Dean to Crowley and a fast-growing Amara. Castiel sees an old acquaintance on TV, stuck in an earthly body.
Sam and Dean can't make heads or tails of a murder committed by a young man wearing a large bunny mask that won't come off.
Sam's imaginary friend from childhood pops up to alert the Winchesters to a grisly crime scene invisible to the human world.
Amara unleashes a brutal attack on preachers to get God's attention. Meanwhile, Sam decides to set up a meeting in Lucifer's cage.
Lucifer offers Sam a deal during a tense encounter in the cage. When the fallout from the smiting sidelines Dean, Castiel checks on Amara's fate.
Sam and Dean encounter a being that seems to drive its victims insane with its ghastly wails before devouring their brains.
Claire asks Sam and Dean to look into some fishy disappearances, but Jody warns them that Claire herself has been acting strange lately.
Sam and Dean tackle a Valentine's Day mystery involving a nervous husband, a distressed wife and a babysitter whose heart was ripped out of her chest.
Unaware that Lucifer is pulling the strings, the Winchesters have Castiel send Dean back in time to a doomed WWII submarine to retrieve a Hand of God.
Sam and Dean take a break to attend a wrestling match. But the fun ends when a man is found dead at the venue, an ancient mark carved into his chest.
Past and present collide when Sam and Dean investigate a strange attack in an old house and learn that Bobby and Rufus were there years earlier.
After a werewolf hunt goes wrong, Dean ends up in a hospital and takes a drastic step in hopes of negotiating with a Reaper.
Still in Castiel's body, Lucifer makes a play for Heaven and intimidates the angels into working for him. Crowley hatches a plan to stop Amara.
While looking into reports of a girl carried off by green-eyed mutants, Sam and Dean get help from two hunters who want revenge on the creatures.
While Amara unleashes another dangerous fog on a small town, Metatron finds himself transported to a bar for a meeting with God.
After an eye-opening meeting with God, the Winchesters set out on an unlikely mission to rescue Lucifer.
God reveals to Lucifer why he was chosen to bear the Mark. The Winchesters team up with angels, demons and witches in an attempt to seal away Amara.
The team scrambles to form a plan that can stop Amara and preserve the universe, but one of them will have to make a big sacrifice.
As Crowley conducts a desperate search for Lucifer’s vessel, Dean must come to grips with an unbelievable sight: the return of his mother.
A reluctant Dean brings Mary along on a mission to rescue Sam. Crowley receives word that Lucifer has possessed the body of an aging rock star.
Mary and the boys explore an old house astir with the sounds of a crying baby. Cas is less than thrilled when he’s forced to partner up with Crowley.
After several victims are whipped to death by an unseen force, Sam and Dean begin to suspect a deeply religious family that lives off the grid.
Time ticks away as a clan of Nazi necromancers plots to unleash Adolf Hitler’s captive soul from an enchanted gold pocket watch.
An assortment of hunters gather to commemorate a fallen brother, but Sam and Dean soon realize that a demon has come to kill them all.
Castiel and Crowley close in on Lucifer as the fallen angel realizes his new rock-star vessel allows him to get fans to do whatever he wants.
Rowena and Winchesters join Castiel and Crowley when Lucifer’s path of terror intensifies -- and leads all the way to the White House.
Sam and Dean desperately seek an escape route after being placed in a high-level government facility for attempting to assassinate the president.
A woman whose family was killed by code-following angels in the year 1901 is out for revenge in the present day, and Cas is next on her list.
When Dean falls under a memory-erasing spell and rapidly loses his sense of self, Sam’s only hope is Rowena and an ancient, powerful coven of witches.
Mary keeps her involvement with the British Men of Letters a secret as she brings Sam and Dean in on a case. But a double-crossing changes everything.
Sam and Dean track down Crowley’s son after realizing that a murder at a museum is connected to the centuries-old sunken ship he should’ve been on.
With Mary’s help, the British Men of Letters prepare to exterminate an entire vampire nest, forcing Sam and Dean to make some tough choices.
The Winchesters must unravel a complicated case of a demonic deal gone wrong when an invisible hellhound claims a soul at a campsite.
Mick Davies tags along as the Winchesters hunt for a werewolf. But when a dear friend of theirs is bitten, all bets are off.
Mick is forced to confront his own disturbing past when Sam and Dean’s search for Kelly Kline leads to a deadly disaster.
Sam and Dean visit a small town where yearly disappearances once connected to a legendary goat-headed killer seem to have resumed.
Kelly makes a difficult decision about Lucifer’s unborn child, but it may not be hers to make. Castiel formulates a plan for the demonic baby.
The Winchesters help twin-sibling hunters look for their mother, who went missing while hunting a witch. Mary grows suspicious of the Men of Letters.
Sam and Dean race to locate Mary after realizing an ongoing rash of hunter deaths across the country is no accident.
Sam and Dean must fall back on their undying trust for one another when they’re caught in a war between the British and American hunters.
Sam, Dean and Castiel may be the last line of defense between a powerful Lucifer and his own unborn child.
Sam and Dean pursue Lucifer's son as he adjusts to his new earthly existence. But they aren't the only ones searching for him.
Sam and Dean test Jack's powers further. The fourth prince of Hell fills in for Lucifer while he and Mary are stuck in Apocalypse World.
After her protégé is killed by a wraith who's targeting psychics, Missouri Moseley asks Dean and Jody to help protect her family. Sam and Jack bond.
A murder investigation linked to a grief counselor forces Sam and Dean to confront a loss of their own. Castiel wakes up in an unfamiliar place.
A case involving a deranged doctor and an abandoned mental hospital leads Sam and Dean to two surprise reunions.
The boys head to the famed Dodge City, where a ghoul posing as a gunslinger is committing robberies. Jack reckons with the consequences of his powers.
As Castiel searches for Jack, Sam and Dean's hunt for a witch killer leads to a familiar face. In Apocalypse World, Lucifer seizes an opportunity.
In exchange for a spell that could help them locate Jack, Sam and Dean agree to help a demon pull off an elaborate heist.
Sam and Dean get a lead on Jack, who seeks help from a reluctant dreamwalker. After a disturbing vision, Patience makes a big decision.
Claire returns home to help Jody, Alex and Patience in their search for Sam and Dean. In the Bad Place, the brothers face harsh conditions.
When Donna's niece is attacked and kidnapped, Sam and Dean help track her down, and in the process uncover a very sinister operation.
As the brothers square off with two spellbinding sisters who are after the Black Grimoire, a notable figure reemerges, seeking the book for herself.
Dean, Sam and a newly freed Castiel pursue a weakened Lucifer, whose travels lead him to a faith healer who is not what she seems.
Jack and Mary attempt a daring escape from Michael and find some unexpected help. Sam and Dean test a possible method for opening a rift.
In search of a key component for creating a rift, Sam and Dean head west and become entangled in a web of characters pursuing a Maltese relic.
In this special animated episode, Sam, Dean and Castiel are sucked into a "Scooby-Doo" cartoon and help the gang investigate a mysterious phantom.
Sam and Dean head to a Men of Letters outpost to find a crystal that opens doors between dimensions. Ketch reconsiders his arrangement with Asmodeus.
Dean encounters an old friend in Apocalypse World. Gabriel recounts his saga to Sam and Castiel. Lucifer negotiates his new heavenly position.
Eager to find Gabriel, Sam, Dean and Castiel consider some risky options. Rowena's tampering with fate puts all of humanity in danger.
Gabriel agrees to help the Winchesters if they aid him in a quest for revenge. Dean goes it alone on a big mission. The war in Apocalypse World rages.
With some involuntary help from Lucifer, Rowena is finally able to open a rift to Apocalypse World. But the journey there has dire consequences.
In Apocalypse World, several family reunions yield varying results. Sam and Dean attempt to plan a mass escape through the rift.
The Winchesters help Jack solve a murder, Lucifer shows Jack his true self, and Dean makes a risky deal with Michael.
Sam coordinates efforts in the search for his brother. Jack struggles to adapt to life as a human. Castiel tries to get more intel on Dean from a demon.
As Sam, Mary and Bobby look into a new clue, Nick seeks a killer from his past while Jack searches for a sense of family.
With little recollection of his disappearance, Dean sports a mysterious scar. Jack fights to save a dying girl’s life without his powers.
On Halloween, the Winchesters get back to basics by investigating an action figure at a comic store that comes to life.
When Maggie disappears on her first solo case, the hunters confront their nightmares in a spooky place.
Jack convinces Dean to help him investigate a librarian whose suitors keep dying. Sam bonds with Charlie on a hunt.
Dean takes an ill Jack on the ride of his life, while Nick is consumed by wicked temptations as he searches for his family’s killer.
The Winchesters cut a deal with a surprising ally to save Jack -- who’s being stalked for his soul -- as Castiel faces a new threat.
When Michael takes an office Christmas party hostage, the Winchesters hope their weapon of choice is enough to stop the Archangel.
As Sam and Castiel try to free Dean from Michael's control, it falls on Jack to protect their bunker from a monster horde outside.
Dean decides to spend some time with his mother -- until Nick arrives, looking for a secret Mary stashed away for safekeeping.
To avoid the pain of Dean’s dire plan, the Winchesters take a case involving dead bodies with mysterious symbols carved into their chests.
The Winchesters make a magical wish that grants them a family reunion and alters time in the process.
Sam and Dean are on the hunt for a demigod with a taste for human flesh who can see the future.
As Dean helps Jack get in touch with whatever soul he has left, Sam and Castiel take on a case in a picturesque little town with a dark secret.
The Winchesters face off against a ravenous monster, while Jack makes a big mistake trying to make some friends of his own.
It’s a race against the clock as Sam and Dean rush to rescue a close friend with the help of an old foe. Jack's well-being is questionable.
Jack is desperate to undo a terrible mistake. Sam and Dean try to locate their mother before it’s too late.
After the Winchesters mourn a fallen hunter, Jack tries to right his wrongs until a dearth of angels in Heaven forces him to use his powers.
The Winchesters attempt to track down Jack, who casts a spell that suspends lying. An old foe returns with a shocking surprise.
Sam, Dean and Castiel reluctantly team up with a demon inhabiting Jack's body to battle an army of undead souls that includes some infamous killers.
The Winchesters get some much-needed reinforcements as they try to ward off evil spirits from a small Kansas town. Chuck seeks out Amara in Reno.
With their defenses crumbling, Sam, Dean, Castiel and Rowena take bold steps to send the spirits back to hell — but their efforts come at a high price.
Sam and Dean head to Iowa to investigate some gruesome killings, which they suspect are the work of a vampire. Chuck reconnects with an old flame.
When several campers meet a grisly fate in Colorado, Sam and Dean discover a werewolf presence – and have an unexpected run-in with an old foe.
Sam's efforts to help Eileen entail a trip to Rowena's old place, where an ambush awaits. Castiel goes it alone as he works the case of a missing boy.
Dean heads to Texas to investigate a woman's disappearance and runs into a long-lost friend. Sam learns that a persistent wound may hold deep secrets.
A revelation from the demon tablet sends Dean, Sam and Castiel on a search mission in hell, where they have a surprising reunion.
As a captive Sam endures horrid visions intended to break his spirit, Castiel and Dean venture to purgatory to find a key element for defeating Chuck.
The Winchesters are Wisconsin-bound to help an old friend, where they discover a very unique fight club — and wind up in need of some help themselves.
Sam and Dean follow a lead to Alaska, where they play high-stakes games of chance. Castiel's pursuit of a lead of his own results in a reconnection.
As Chuck takes drastic action, Sam and Dean answer a distress call in Sioux Falls that sets them on a course to somewhere else entirely: the Bad Place.
Sam and Dean's search for a crucial asset to Billie's plan leads them to some familiar places and faces. Castiel, with Jack's help, takes a bold step.
Dean accidentally releases a wood nymph in the bunker named Mrs. Butters, who proves to be super helpful — but she doesn't take so kindly to Jack.
While Jack and Castiel head to Missouri to investigate a murder involving a teddy bear, Sam and Dean take off for Atlantic City to try and find Amara.
The murder of an old friend leads Sam and Dean to revisit the first case they ever worked and an evil entity they thought they'd killed years earlier.
Chuck returns to Earth and debates with Amara about whether the world is worth preserving. As Jack faces a big test, Sam and Dean do not see eye to eye.
Sam, Dean and Castiel get unexpected help as they try to save Jack, then rush to stop a series of vanishings. But their efforts come at a big price.
Sam, Dean and Jack face the vacant world Chuck has left them with, which they seem powerless to fix. But giving up has never been the Winchesters' way.
In the series finale, Sam and Dean investigate one last case, then confront where their respective roads are going to take them next.