Sam tries to move on without his brother and becomes hardened and more reckless in the way he hunts. Bobby and his psychic friend Pamela try to contact the other side to find out more about Dean's ultimate fate.

The Winchesters and Bobby Singer encounter the angry spirits of people they couldn't save.

Castiel sends Dean back in time to 1973 where he encounters younger versions of his parents and for the first time meets his grandfather Samuel Campbell who holds a secret that sheds a light on the Winchester Family's connection to the hunter community.

Investigating two mysterious deaths in a small town, Sam and Dean discover a witch is sacrificing people to summon an ancient powerful and extremely dangerous demon.

Sam, Dean, and Ruby discover the existence of a female prophet named Anna Milton, who can hear the voices of angels and thus figures into the plans of a demon named Alastair who wants to use her as a tool against the angels.

"I'll Kill her gentle." The angels want Anna dead, so Sam and Dean go on the run with the frightened girl, determined to discover the secret that has set the furies of Heaven on her.

Sam and Dean try to find out why people in a small town are having near death experiences with alarming frequency by going into the spirit world.

Castiel and Uriel ask Dean to torture Alastair for information. But when Alastair breaks free, Castiel starts to believe that there is a traitor among the angels.

An author has been writing books about Sam and Dean since 2005. Sam and Dean try to figure out how he knows so much about them.

Castiel has been sent back to Heaven. His human host, Jimmy, tries to regain his life. But the demons won't leave him alone and now his family is at risk. Sam and Dean can help a little, but they're going to need a "miracle" to win.

Dean and Bobby have something frightening locked in Bobby's panic room: Sam, contaminated by demon blood. But as the apocalypse draws nearer, Bobby wants to free Sam to battle on their side.

The brothers prepare to fight the forces of the apocalypse in different camps. While Sam and Ruby hunt down Lilith, Dean joins Castiel and Zachariah to take on Lucifer.

Sam, Dean, and Bobby must deal with the aftermath of the Devil's escape from Hell, and receive startling news from the Prophet Chuck.

Rufus, an old friend of Bobby's calls, panicked about demons attacking a town in Colorado. Sam and Dean arrive to help, but soon discover things aren't exactly as they seem.

Sam decides to stop hunting but has a hard time after he receives a surprise visit. Dean and Castiel try to find the Archangel Raphael in their bid to stop the Apocalypse.

Dean refuses Sam's efforts to help him battle the Devil, and then wakes up to find himself five years in the future, in a wasteland where Lucifer has begun his endgame by unleashing a virus that transforms humans into zombies.

Dean and Sam investigate a series of murders that resemble fairy tales and urban legends; the brothers track down an 11-year-old boy that Castiel deems a serious threat.

Dean and Sam are thrown into an alternate universe by the Trickster where they are characters in different TV series.

Dean and Sam get to know the whereabouts of Lucifer and want to hunt him down. But Lucifer is well prepared and is working his own plans.

The renegade angel Anna escapes from her prison in heaven. She travels back in time to kill Sam and Dean's parents so that Sam is never born, and cannot be the vessel for Lucifer. Castiel sends Sam and Dean back to stop Anna.

Castiel helps Dean and Sam hunt down Cupid after people start killing each other for love on Valentine's Day.

Dean and Sam are killed by the hunters Walt and Roy. They awake in heaven and Castiel contacts Dean and asks him to seek out the angel Joshua. Meanwhile Zachariah is chasing them in Heaven to force Dean to be Michael's vessel.

Sam and Dean meet a woman in a small town who claims to be a prophet.

Zachariah has a new plan to overcome Lucifer but the strategy has unforeseen destructive consequences.

Bobby sells Crowley his soul in exchange for the location of Death, while Pestilence infects the Winchesters with a deadly disease.

With the Apocalypse looming, Sam and Dean realize they are out of options and make heart-breaking decisions that will change their lives forever.

When three policemen are struck down by the plagues of Moses, the brothers investigate, calling upon Castiel. He reluctantly appears,explaining that the murders are caused by the Staff of Moses and that there's a civil war in Heaven.

When several people kill themselves after asking for the truth, Sam and Dean investigate and realise that Veritas, an ancient goddess of truth, has been summoned. Her victims die when they hear more truth than they can stand.

Dean becomes suspicious of Samuel's motives, but Sam isn't sold on the idea that their grandfather is doing anything wrong. The brothers go along on a hunt with Samuel and the other Campbells, but things go terribly awry.

The brothers investigate a series of abductions attributed to aliens. However, when Dean disappears and then reappears, they realise that the culprits are fairies and that only someone taken to the fairy realm can see them.

Dean and Sam are captured by Meg who wants to know Crowley's hideout. Sam proposes to show where Crowley is provided she gets his soul back. The Winchester brothers ask the reluctant Samuel who has made a deal with Crowley to have his daughter Mary back but he finally points out the spot. Dean and Sam break into an old prison with Castiel, Meg and two other demons to seek out Crowley, but they are betrayed by Samuel. Castiel escapes, but Sam and Dean are arrested and Meg is tortured by Christian. Will that be the end of the quest of the Winchester brothers for Sam's soul?

Sam emerges from his coma and discovers that he remembers nothing since losing his soul. Dean and Bobby try to keep the secret, and the brothers head to Oregon to investigate the disappearance of several local female virgins.

To protect Sam and Dean from a surprise attack from Raphael, Balthazar sends them both into an alternate universe where their lives are a TV show called Supernatural (2005).

The timeline is changed after Balthazar stops the Titanic from sinking.

Castiel sends Sam and Dean back in time to 1861 to collect the ashes of a phoenix.

Dean, Sam, Castiel and Bobby find Eve in a small town where the citizens have been converted to demons; Eve decides to torture Sam and Dean by bringing their mother back as a demon.

Castiel tells his story in his own words and confesses to some interesting choices.

Dean's worst nightmare comes true when a demon kidnaps Ben and Lisa in order to get to him. The brothers are forced to join forces with an unlikely ally to free them.

The wall comes down in Sam's head and all hell breaks loose. Dean and Bobby are, for once, at a total loss on how to help him and are forced to stand by and do nothing while Sam breaks. The battle for heaven comes to a head.

Castiel believes he is the new God and becomes obsessed with power. Sam, Dean, and Bobby try to find a way to stop him before he explodes with power, even if that means talking to Death himself.

The leviathans destroy Castiel's body and break loose. Now Sam, Dean, and Bobby have to track them all down. Meanwhile, Sam is beginning to struggle with what is real and what is a hallucination.

Sam and Dean get caught in the middle of a feud between a married witch couple.

Lucifer is driving Sam into madness. Desperate to save him, Dean tries to find someone who can help. He finds Castiel with amnesia, instead.

Sam and Dean have possession of a Word of God, but are unable to read it. They find a young prophet that can help, but unfortunately, the angels and leviathans are after him, too.

Sam and Dean make a plan to storm Dick's company building and kill him once and for all, with help from Castiel and Meg. Providing Bobby doesn't get to Dick first.

After saving Kevin's mother from demons, Sam, Dean, and Kevin go after the Word of God which is being auctioned off by Plutus, the god of greed.

Dean assists the vampire, Benny, who helped him escape from Purgatory. Together they go after the nest led by the vampire that bit Benny. Sam thinks back to his life before Dean returned.

Crowley has kidnapped Kevin and the rest of the prophets that are able to read the Word of God. Castiel mysteriously returns from Purgatory and helps Sam and Dean rescue Kevin.

Castiel decides to become a hunter, like Sam and Dean. But his first day on the job is a doozy when they investigate a series of murders caused by old cartoon gags. Meanwhile, Sam thinks back to his first time meeting Amelia's father.

Dean and Castiel try to rescue Samandriel from Crowley. Sam tries to decide whether or not he should continue hunting or be with Amelia.

Sam and Dean hunt down the angel tablet with assistance from Castiel and Meg.

Sam and Dean search for the Word's author, Metatron. Castiel tries to protect the angel tablet. Kevin tries to solve the third trial under Crowley's supervision.

Sam and Dean try to figure out how to cure a demon. Crowley starts killing victims that Sam and Dean have saved from previous jobs. Castiel and Metatron begin the trials to close the gates to Heaven.

Sam and Dean capture Crowley to finish the trials and close the gates of Hell. Castiel and Metatron continue the trials to close the gates of Heaven. Sam is left with a huge decision.

Sam is dying. Dean asks for help from the angels. Castiel tries to adjust to being human as the angels come after him.

Sam and Dean track down Castiel, while Bartholomew, a new leader of the fallen angels, tries to destroy him.

Dean and Castiel team up to find a Rit Zien, an angel healer, who is easing peoples' suffering by killing them. Sam and Kevin ask Crowley for help in finding a way to open the gates to Heaven.

The angels go to war against each other. A secret about Ezekiel is revealed.

Dean and Castiel ask Crowley for help in finding Gadreel and getting him out of Sam's body.

Sam and Castiel believe that they found a way to track Gadreel. Dean and Crowley team up to find the first blade, which is in the hands of the biblical Cain.

Kevin's spirit returns to ask Sam and Dean to find his mother. Castiel is taken to Bartholomew.

When Castiel rejects Metatron's offer to join forces, a surprising plan is set in motion; Gadreel is apprehended.

Abaddon makes a deal with Crowley to stop the Winchesters and recover the first blade. Castiel tries to bring Gadreel to his side in the war against Metatron.

Angels are committing suicide in Castiel's name. Sam and Dean try to find out why.

The influence of the mark on Dean reaches new heights, as Metatron begins to reveal himself to humanity.

Dean is a demon and running amuck with Crowley while Sam tries to figure out what happened to his brother. Meanwhile, Castiel is dealing with his diminishing grace.

Crowley is worried about Dean getting out of control, giving him a target to feed the mark. Sam struggles to escape from Cole. Hannah tries to convince Metatron to give Castiel's grace back.

Sam continues to try to save Dean from the Mark of Cain. Realizing that Dean's antics are causing problems for him in hell, Crowley seeks help from a reluctant Castiel.

Sam and Dean discover a group of witches "gone wild" and they attempt to stop them.

When Castiel finds Jimmy's daughter in a group home, she persuades him to break her out; Crowley is faced with a big challenge.

Sam and Dean try to deal with the aftermath following the bloodbath. Castiel attempts to fix a struggling relationship with Claire, and Claire wants revenge on Dean for what he did to her friend.

Sam, Dean, and Castiel must deal with Cain's return. Rowena and Crowley grow closer.

Castiel comes back and he and Sam check out a lead on the Mark of Cain. They decide to go to Bobby for help. Meanwhile Dean and Rowena meet up.

Charlie contacts Sam and Dean after she finds the Book of the Damned - which could help eliminate the mark of Cain; Castiel and Metatron look for Castiel's grace.

Castiel tries to reconnect Claire with her mother who went missing, and calls Sam and Dean for help with the case.

While investigating a strange murder, Sam and Dean discover the killer has the same tattoo as those from the Styne family; Castiel plays referee when Charlie and Rowena must work together; Crowley turns to an old enemy for help with Rowena.

Dean takes matters into his own hands regarding Stynes; Sam attempts to come to terms with his decision.

Dean comes to a stunning decision that will alter his life -- as well as Sam's; Rowena and Crowley face off, putting Castiel in the middle.

Dean and Sam dealing with the aftermath of freeing the darkness on earth.

Jenna winds up in a dangerous situation and calls Dean for help, leaving Sam to deal with monsters on his own.

Sam and Dean try to help Castiel recover from Rowena's spell, while searching for Amara who has now grown into a young girl. Rowena tries to use her powers to protect herself from the Winchesters, while Crowley tries to use Amara for his personal gain.

Sam and Dean's road trip to fight monsters and demons is chronicled entirely from the Impala's perspective.

Castiel seeks out Metatron's help to stop the Darkness. However, Metatron is pretty happy with his new life as a freelance videographer for the local news and isn't inclined to help the Winchesters or Castiel.

Now that he has Sam in the cage with him, Lucifer offers Sam a way out but it comes with a steep price. Dean and Castiel look into the angel smiting that might have killed Amara.

Sam and Dean investigate a case where people are suffering violent deaths after hearing a mysterious sound.

Sam and Dean convince Lucifer (unknowingly, thinking he's Castiel) to send them back in time to find a hand of God which could destroy Amara.

Sam and Dean attend a wrestling match to relive one of their fondest memories, but when a wrestler turns up dead, they suspect foul play.

Lucifer tries to assert himself into heaven; Crowley tells Sam and Dean they must take down Lucifer.

Concerned for Castiel, Dean and Sam devise a plan to rescue Lucifer from Amara's clutches.

Sam and Dean face their biggest challenge yet. Rowena makes her move.

Chuck tries to lock Amara away for good but then faces some unexpected complications.

Dean comes face to face with his mother while Sam fights for his life after being shot by Toni.

Dean, Castiel and Mary have a lead on Sam and set out to rescue him. Dean is uncomfortable putting Mary in danger, but she insists on going. Meanwhile, Crowley is tipped off that Lucifer has taken over the body of rock star Vince Vicente.

When a crying baby leads to death in a mysterious abandoned house, Mary, Sam and Dean decide to investigate. Meanwhile, Castiel's hunt for Lucifer leads him, begrudgingly, to partner up with Crowley.

Lucifer realizes that as Vince Vincente, he can get his fans to do whatever he wants. Thrilled with this power, he arranges a VIP concert in order to kill them. Sam, Dean and Castiel enter the underbelly of the music industry to stop him.

Sam, Dean, Castiel, Crowley and Rowena band together to fight Lucifer when his search for power leads him to the White House.

Sam and Dean must find a way to escape from a government-run detention facility; in an effort to find her sons, Mary and Castiel seek assistance from a surprising source.

Lily Sunder plots her revenge against a band of angels that killed her family; Sam and Dean must save Castiel from becoming her next victim.

Mary asks Sam, Dean and Castiel for help on a case she's working, but neglects to mention the British Men of Letters are involved. When Mary is double crossed, everything is revealed.

Sam and Dean investigate an attack by an invisible hellhound at a campsite. Meanwhile, two of Crowley's own personal demons uncover what he has been hiding. Elsewhere, Castiel gets a lead on Kelly Kline.

Sam and Dean get a lead on Kelly Kline's whereabouts. Mick drops by the bunker unexpectedly and decides to join the hunt.

Sam comes up with a way to stop Lucifer's baby, but Castiel has something else in mind for Kelly. Dean is furious when he finds out someone stole the Colt.

Lucifer battles Sam, Dean and Castiel for control of his unborn son.

Sam and Dean are left to pick up the pieces following the loss of their mother, Crowley's demise and Castiel's death.

Sam and Dean discover what Jack is capable of with his powers.

A wraith kills her friend and Missouri enlists the help of Dean and Jody to protect her granddaughter, Patience, and could be next on the wraith's hit list. Sam continues to work with Jack to control his powers.

When multiple patients of grief counselor Mia Vallens turn up dead, Dean, Sam and Jack investigate the mystery surrounding the murders and, each inadvertently, are forced to deal with unresolved grief of their own.

Sam and Dean work on a case involving the ghost of a demented doctor; they get assistance from an unexpected source; Castiel finds his way back to the Winchesters.

Castiel is reunited with Jack and together with Sam and Dean, they head to a sleepy old western town to investigate a murder. Dean gets to live out his boyhood fantasy when he comes face to face with a famous, gun-slinging outlaw.

As Dean and Sam continue their search for Jack, they stumble across a familiar foe; Lucifer manages to escape Michael's grasp and finds an unlikely and mostly unwilling ally.

Dean falls victim to a couple of witches, sisters Jamie and Jennie Plum who manage to steal a powerful book of spells from the Winchesters. When Dean and Sam go after the book, they get help from a powerful and surprising ally when Rowena, back from the dead, intervenes to assist them.

"Devil's Bargain" Dean, Castiel and Sam search for Lucifer who, meanwhile, strikes an unlikely deal with a local faith healer named Sister Jo. Asmodeus gets closer to finding Jack.

Jack and Mary escape Michael's clutches and end up finding an ally in Bobby Singer; Sam, Dean, and Castiel continue to search for a way to open a breach; one of their own may be working against them and costing them precious time.

Sam, Dean, and Castiel are transported into the animated world of Scooby Doo where they join forces with the Scooby gang to solve a ghostly mystery.

Lucifer rules over heaven but things aren't going exactly as planned, exasperating his first lady, Jo. Sam and Castiel are perplexed by the return of Gabriel. Meanwhile, Dean gets one step closer to finding Mary and Jack.

Sam and Dean must stop Rowena, who is on a deadly mission. Meanwhile, Castiel looks to heaven to recruit angels for an impending invasion but is shocked by not only what he finds, but who.

Sam, Dean, Castiel and Gabriel must work together if they have any hope of bringing Mary and Jack home. Meanwhile, Rowena's encounter with Lucifer may alter the outcome of the journey for one of our heroes.

Sam and Dean devise a plan that will save innocent lives. Meanwhile, Jack continues to wrestle with the consequences of his decisions.

Our heroes, Sam and Dean Winchester, continue to be tested in the battle between good and evil, but one impulsive decision could alter the lives of one of the brothers forever.

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.

Sam finds a clue to Dean's whereabouts, so he, Mary and Bobby set out to investigate. Castiel imparts some sage advice on Jack, who, still desperate to belong, seeks out a familial connection.

Still trying to solve the mystery of what happened to Dean, Sam enlists the help of Sheriff Jody Mills who may unknowingly already be on the case. Castiel continues to be a father figure to Jack, who surprises even himself, when a life is on the line.

Sam and Castiel track down a Shaman who may be able to help a friend. Nick continues to spiral down a dark path as he looks for answers surrounding the deaths of his wife and son. Jack turns to Dean for help enjoying the human experience.

When Dean and Sam join forces with an unexpected ally, the outcome will alter the course of two lives. Meanwhile, Heaven faces an attack from a dark force, driving Castiel to make an enormous sacrifice to make things right.

Sam and Dean enlist the help of their pal Garth to gain inside information on what Michael may be planning. The brothers split up to each go after weapons that can aid in their fight against the Archangel, but this may be a fight our heroes cannot win.

Michael retakes control of Dean as his army of monsters continue to move in; Sam devises a plan to reach Dean and stop Michael before anyone else dies.

Sam and Dean must figure out how to stop the bloodshed when Donatello who, in his current condition, is inadvertently scrambling the order of future prophets. Nick comes face to face with his past.

Sam and Dean look to occult lore for a solution to their latest problem, but instead of a resolution, they find much more than either of them had anticipated.

Sam and Dean enlist the help of Rowena to track down a demi-god who feasts on human flesh; the challenge of keeping Michael at bay is proving to be more difficult than originally anticipated.

Sam and Castiel follow a case to a picturesque little town in Arkansas, only to find out nothing is as idyllic as it appears to be. Dean and Jack take a road trip to visit an old friend.

Sam and Dean race to help a friend in need. Meanwhile, Mary is concerned for Jack's wellbeing, and Castiel enlists help from Jo/Anael to track down a miracle.

Sam and Dean continue to worry about the condition of Jack's soul.

Sam, Dean and Castiel investigate a string of suspicious deaths that have a biblical element to them.

Sam, Dean and Castiel are thrown into an epic battle. Meanwhile, Jack becomes disenchanted with all the lies, and an old friend from the past shows up.

Picking up where we left off last season, Sam, Dean and Castiel are left to defend the world after all the souls in hell have been released and are back on Earth and free to kill again.

Dean, Castiel and Sam call on Rowena to help keep the evil souls at bay and get an unexpected assist by Ketch.

Sam and Dean, together with Rowena, work tirelessly to keep all of hell from breaking loose; Castiel cannot forgive an arrogant betrayal.

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

Dean goes off on his own to take on a case. Meanwhile, Castiel has an idea of how he can help Sam track down God.

Sam, Dean and Castiel's continued search for a way to defeat Chuck leads them to unexpected places and toward unlikely allies.

Sam and Eileen are faced with the brutal truth. Meanwhile Dean and Cass work together in the hopes of getting a step ahead of Chuck.

Dean and Sam 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 assist in an extraordinary and heartbreaking rescue; Billie surprises everyone with a visit to the bunker.

A search for the one thing that may give the Winchesters an edge against God leads Sam and Dean to Jo's door and to a secret that may have died with Ruby; Castiel asks Jack to do the unthinkable to help the brothers in their quest.

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

Dean hits the road with Jack who needs to complete a final ritual in the quest to beat Chuck; a difference of opinion leaves Sam and Castiel behind looking for answers to questions of their own.

With the plan in full motion, Sam, Dean, Castiel and Jack fight for the good of the common goal.

Everything is on the line as the battle against God continues; a familiar face returns to join the fight.

With the plan in full motion, Sam, Dean, Castiel and Jack fight for the good of the common goal.

Sam and Dean track down Castiel, while Bartholomew, a new leader of the fallen angels, tries to destroy him.

Dean and Sam are captured by Meg who wants to know Crowley's hideout. Sam proposes to show where Crowley is provided she gets his soul back. The Winchester brothers ask the reluctant Samuel who has made a deal with Crowley to have his daughter Mary back but he finally points out the spot. Dean and Sam break into an old prison with Castiel, Meg and two other demons to seek out Crowley, but they are betrayed by Samuel. Castiel escapes, but Sam and Dean are arrested and Meg is tortured by Christian. Will that be the end of the quest of the Winchester brothers for Sam's soul?

Dean and Castiel team up to find a Rit Zien, an angel healer, who is easing peoples' suffering by killing them. Sam and Kevin ask Crowley for help in finding a way to open the gates to Heaven.

Castiel tells his story in his own words and confesses to some interesting choices.

Lily Sunder plots her revenge against a band of angels that killed her family; Sam and Dean must save Castiel from becoming her next victim.

Lucifer is driving Sam into madness. Desperate to save him, Dean tries to find someone who can help. He finds Castiel with amnesia, instead.

Castiel has been sent back to Heaven. His human host, Jimmy, tries to regain his life. But the demons won't leave him alone and now his family is at risk. Sam and Dean can help a little, but they're going to need a "miracle" to win.

Crowley has kidnapped Kevin and the rest of the prophets that are able to read the Word of God. Castiel mysteriously returns from Purgatory and helps Sam and Dean rescue Kevin.

Castiel decides to become a hunter, like Sam and Dean. But his first day on the job is a doozy when they investigate a series of murders caused by old cartoon gags. Meanwhile, Sam thinks back to his first time meeting Amelia's father.