Season 10Public facts
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Episodes
BlackBlackOpen episodeDean 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 fading grace.
ReichenbachReichenbachOpen episodeCrowley is worried that Dean, driven by the mark, is getting out of control. Sam struggles to escape from Cole. Hannah tries to convince Metatron to give Castiel his grace back.
Soul SurvivorSoul SurvivorOpen episodeSam 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.
Paper MoonPaper MoonOpen episodeSam and Dean investigate a series of werewolf attacks.
Fan FictionFan FictionOpen episodeSam and Dean investigate a haunting at a theatre.
Ask JeevesAsk JeevesOpen episodeAfter Dean hears a surprising message on Bobby's phone, he and Sam head out to investigate.
Girls, Girls, GirlsGirls, Girls, GirlsOpen episodeSam and Dean discover a group of witches on a gone wild trip and attempt to stop them.
Hibbing 911Hibbing 911Open episodeSheriff Jody Mills is matched with an overeager partner during a mandatory sheriff's retreat and when a gruesome corpse is discovered, Jody calls Sam and Dean to help investigate.
The Things We Left BehindThe Things We Left BehindOpen episodeCastiel finds Jimmy’s daughter Claire in a group home and she convinces him to break her out. After she runs away from him, Castiel calls Sam and Dean to help find her before she gets in trouble.
The Hunter GamesThe Hunter GamesOpen episodeAfter the massacre at the ranch, Dean, Sam, and Castiel double their efforts to find a cure for the Mark of Cain. Desperate, Castiel comes up with an idea that Sam deems the single worst idea he's ever heard. Meanwhile, Rowena continues to plot against Crowley.
There's No Place Like HomeThere's No Place Like HomeOpen episodeSam 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.
About a BoyAbout a BoyOpen episodeLooking 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.
Halt & Catch FireHalt & Catch FireOpen episodeA 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.
The Executioner's SongThe Executioner's SongOpen episodeDean, Sam and Castiel deal with Cain’s return. Crowley and Rowena continue to grow closer but when Crowley bails on plans with his mother to help the Winchesters, Rowena lets him have it.
The Things They CarriedThe Things They CarriedOpen episodeDespite 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 its way into Cole.
Paint It BlackPaint It BlackOpen episodeSam 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.
Inside ManInside ManOpen episodeSam and Castiel follow up on a lead about the Mark of Cain. Dean and Rowena meet.
Book of the DamnedBook of the DamnedOpen episodeCharlie calls Sam and Dean to tell them she found the Book of the Dead which could help remove the Mark of Cain. The Winchesters race to her after she tells them she’s been shot by a man named Jacob Styne who says the book belongs to his family and he won’t rest until he gets it back. Castiel and Metatron take a road trip to find Castiel’s grace but they hit a couple road bumps along the way.
The Werther ProjectThe Werther ProjectOpen episodeSam learns that former Men of Letters, Magnus, once built a magical box and Sam sets out to find it in the hopes it can cure Dean of the Mark of Cain. However, what he’s not prepared for is the deadly alarm system Magnus set up on the box. When Sam opens the box, he puts both his and Dean’s life in danger.
Angel HeartAngel HeartOpen episodeWhen Claire Novak gets a lead on her mother, Amelia, who has been missing for years, Castiel asks Sam and Dean to help her. However, when they find out what took Amelia, they realize there is a chance Claire may not get her happy ending.
Dark DynastyDark DynastyOpen episodeDean and Sam investigate a bizarre murder and realize the killer bears the same tattoo as those from the Styne family. Meanwhile, Castiel acts as referee when Charlie and Rowena are forced to work together on the Book of the Damned. When Crowley discovers that his mother is missing, he turns to an old enemy for help.
The PrisonerThe PrisonerOpen episodeWhen it comes to the Stynes, Dean decides to take matters into his own hands. Sam tries to come to terms with his decision.
Brother's KeeperBrother's KeeperOpen episodeDean makes a shocking decision regarding the Mark of Cain that would change not only his life, but Sam’s too. Meanwhile, Crowley and Rowena face off and Castiel gets caught in the middle.