Season 10
23 episodes · Oct 7, 2014
Season 10 begins with Sam’s frantic search for his missing brother, who is gone without a trace. The road to recovering the wayward Dean takes Sam down dark paths, with consequences that will shake the boys to their core. Meanwhile, Castiel has to pick up the pieces in the aftermath of Metatron’s campaign. With his grace failing and rogue angels still on the loose, Cas will face the ticking clock of his own mortality as all-new threats emerge to once again push all of our heroes to their limits.
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S10E1Black
Oct 7, 201442mDean 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.
S10E2Reichenbach
Oct 14, 201443mCrowley 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.
S10E3Soul Survivor
Oct 21, 201442mSam 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.
S10E6Ask Jeeves
Nov 18, 201442mAfter Dean hears a surprising message on Bobby's phone, he and Sam head out to investigate.
S10E7Girls, Girls, Girls
Nov 25, 201442mSam and Dean discover a group of witches on a gone wild trip and attempt to stop them.
S10E8Hibbing 911
Dec 2, 201443mSheriff 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.
S10E9The Things We Left Behind
Dec 9, 201442mCastiel 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.
S10E10The Hunter Games
Jan 20, 201543mAfter 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.
S10E11There's No Place Like Home
Jan 27, 201543mSam 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.
S10E12About a Boy
Feb 3, 201541mLooking 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.
S10E13Halt & Catch Fire
Feb 10, 201542mA 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.
S10E14The Executioner's Song
Feb 17, 201543mDean, 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.
S10E15The Things They Carried
Mar 18, 201542mDespite 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.
S10E16Paint It Black
Mar 25, 201542mSam 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.
S10E17Inside Man
Apr 1, 201542mSam and Castiel follow up on a lead about the Mark of Cain. Dean and Rowena meet.
S10E18Book of the Damned
Apr 15, 201542mCharlie 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.
S10E19The Werther Project
Apr 22, 201543mSam 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.
S10E20Angel Heart
Apr 29, 201542mWhen 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.
S10E21Dark Dynasty
May 6, 201543mDean 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.
S10E22The Prisoner
May 13, 201543mWhen it comes to the Stynes, Dean decides to take matters into his own hands. Sam tries to come to terms with his decision.
S10E23Brother's Keeper
May 20, 201543mDean 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.