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Supernatural Season 10 Title Card-Small

Cole: What are you?
Dean: I'm a demon.

Supernatural was renewed for a tenth season by The CW on February 13, 2014. The season consists of 23 episodes and aired on Tuesdays at 9PM EST for the first 14 episodes before moving to Wednesdays at the same time for the rest of the season.

The season premiered on October 7, 2014 with Black and ended on May 20, 2015 with Brother's Keeper.

Season Summary

WRESTLE YOUR DEMONS!

The season 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. Along the way, Sam encounters a former US marine named Cole Trenton, who apparently knows Dean and wants revenge for Dean killing his father. Meanwhile, Castiel, with the aid of Hannah, has to pick up the pieces in the aftermath of Metatron's campaign. But with his grace failing and rogue angels still on the loose, Cass faces the ticking clock of his own mortality. After Sam learns that Dean is a demon, because of Crowley and the Mark of Cain, Sam eventually finds him, with help from Crowley, but so does Cole. While Dean and Cole meet and duke it out, Dean overpowers Cole and nearly kills him. But Sam manages to trap Dean with holy water and handcuffs carved with devils-trap symbols.

After giving Crowley the First Blade, Sam takes Dean back to the Men of Letters bunker to cure him. Castiel and Hannah are on the way to help but are delayed because of a rogue angel who injures Cass and tortures Hannah until Crowley shows and takes the grace of the angel and gives it to Cass. As Sam continues to cure Dean, he eventually escapes the devil's trap and tries to kill Sam but Castiel arrives, overpowers Dean and they continue curing him until he is finally human. As the season progresses, all-new threats emerge to once again push all of our heroes to their limits.

One such threat is the appearance of a very powerful witch named Rowena, who also turns out to be Crowley's mother and has the power to kill demons. He captures her, but she convinces him to let her live in his lair so they can reunite and be a family again. Meanwhile, while Castiel and Hannah still take care of the rogue angels, Sam and Dean work normal, everyday cases: dealing with not just demons but also ghosts, monsters (vampires, werewolves, and shapeshifters), deities, and again with angels. They also help out their friend sheriff Jody Mills. However, Dean is suffering from the effects of the Mark and Sam and Castiel desperately try to help him and find a cure, or at the very least, a way to get rid of it, even going as far as to torture Metatron.

Eventually, the Winchesters' friend Charlie returns from Oz as well and after combining her with her alter-ego, which she created from the Wizard of Oz to win the war in Oz, she agrees to help the boys find a cure for the Mark, but Dean is starting to give up and live with it. Hannah eventually abandons her mission with Cass and returns to Heaven. Later on, another one of those threats is the original bearer of the Mark, Cain himself, who has fallen under its influence as well and has started killing his descendants to rid the world of his tainted bloodline, which was stained the moment he killed his brother, Abel. After trapping him in a Devil's trap, Dean and Cain square off in a barn and Dean defeats him, stabbing him with the First Blade, while Sam, Castiel, and Crowley wait for him.

Dean has given up on finding a cure, but Sam still continues to search, going behind Dean's back and convincing Castiel to come see a psychic to contact the boy's surrogate father, Bobby, in Heaven, in order to get Metatron on Earth. After Sam and Castiel remove Metatron's grace, he reveals that he doesn't know how to remove the Mark, but he mentions that Castiel's grace still remains and takes him to it. However, Metatron finds and takes the Demon tablet but not before Cass manages to get his grace back and returns to his status as a Seraph. Sometime after, Charlie contacts the brothers about a possible way to remove the Mark with a book called the Book of the Damned, a very powerful dark magic book that was in possession of the Styne Family, an ancient family that was the inspiration for Mary Shelley's Frankenstein and has consisted entirely of magic practitioners mixed with vastly superior surgical skills for multiple generations.

Sam calls upon Rowena, Castiel, Charlie, and Crowley to read the book and find a way to remove the Mark. However, one of the Styne members kills Charlie and Dean becomes hell-bent on revenge, giving in to the Mark. After the Styne family captures Dean, Dean falls under the Mark's influence, kills the entire Styne family, savagely beats and almost kills Castiel when he tried to stop Dean, and disappears. He heads to a Mexican restaurant and summons Death, the Pale Horseman himself, to kill him. However Death reveals that the Mark not only makes Dean unkillable, thus even he can't kill Dean, he also tells Dean that if he even removes the Mark without passing it along to another host, it will unleash the Darkness, a powerful and destructive primordial force that predates the Earth, the Universe, the Archangels, and even God. He also tells Dean that after God and the Archangels fought the Darkness in a horrifying war, God created the Mark of Cain to lock away the Darkness, and sealed it away using the Mark, which was originally borne by Lucifer himself. The Mark revealed itself as a curse after corrupting Lucifer as he became jealous of humans, who was banished to Hell for his crimes against humans and God. Lucifer passed the Mark on to Cain before his imprisonment in his Cage, who then transferred it to Dean.

Death tells Dean that he can send Dean somewhere else so that the Darkness remains sealed and the Mark remains intact on a host, but he has to kill Sam. After Sam and Dean fight, Dean is ready to kill Sam with Death's Scythe, but ironically, Dean kills Death at the last second due to his love for his brother. After that, the Mark is removed from Dean's arm, thanks to the spell from the Book of the Damned cast by Rowena, who later pins Castiel and Crowley and puts Castiel under her attack dog spell so he will kill Crowley. Elsewhere, the Darkness is released.

Season Cast

Main Cast

Recurring Cast

Special Guest Stars

Guest Stars

Co-Stars

Episode List

Dean Purgatory Blade.png There was something about being there... It felt pure.

This episode summary is an official CW press release. It may contain errors.
DO NOT CHANGE!
Image Title Writer(s) Director(s) Airdate #
SPN A Very Special Supernatural Special A Very Special Supernatural Special Writer: Director: 10/7/14 #Special
A behind-the-scenes look at the first nine seasons; interviews with the cast and crew; a look at season ten.
Black 07 Black Writer: Jeremy Carver Director: Robert Singer 10/7/14 #196 1001
DEAN IS LIVING IT UP AS A DEMON WHILE SAM HITS ROCK BOTTOM IN THE SEARCH FOR HIS BROTHER — Dean (Jensen Ackles) is a demon and running amuck with Crowley (Mark Sheppard) while Sam (Jared Padalecki) tries to figure out what happened to his brother. Meanwhile, Castiel (Misha Collins) is dealing with his diminishing grace.
Reichenbach 12 Reichenbach Writer: Andrew Dabb Director: Thomas J. Wright 10/14/14 #197 1002
CROWLEY TELLS DEAN THE MARK NEEDS TO BE FED — Crowley (Mark Sheppard) notices Dean (Jensen Ackles) is becoming more and more aggressive. Dean tells him that's the side effect of being a demon, but Crowley knows it's something more - the Mark of Cain needs to be fed. Meanwhile, Sam (Jared Padalecki) is captured by Cole (guest star Travis Aaron Wade), an angry man who blames Dean for his father's death years ago and wants revenge. Cole tortures Sam, hoping he'll tell him where Dean is hiding. Hannah (guest star Erica Carroll) sees how weak Castiel (Misha Collins) is becoming as his grace continues to fade, so she makes a bold choice and asks Metatron (guest star Curtis Armstrong) for help.
Soul Survivor 07 Soul Survivor Writer: Brad Buckner and Eugenie Ross-Leming Director: Jensen Ackles 10/21/14 #198 1003
JENSEN ACKLES RETURNS TO THE HELM AS DIRECTOR — Sam (Jared Padalecki) continues his efforts to save Dean (Jensen Ackles) from the Mark of Cain. Crowley (Mark Sheppard) realizes Dean's demonic antics are starting to cause problems for him in Hell so he searches out an unlikely ally – Castiel (Misha Collins).
Paper Moon 01 Paper Moon Writer: Adam Glass Director: Jeannot Szwarc 10/28/14 #199 1004
WEREWOLF KATE RETURNS — A recent string of werewolf attacks points to a surprising culprit – Kate (guest star Brit Sheridan), the werewolf Sam (Jared Padalecki) and Dean (Jensen Ackles) let live.

Absent: Misha Collins, Mark Sheppard

Fan Fiction 02 Fan Fiction Writer: Robbie Thompson Director: Phil Sgriccia 11/11/14 #200 1005
SUPERNATURAL CELEBRATES ITS 200TH EPISODE — When Sam (Jared Padalecki) and Dean (Jensen Ackles) investigate the disappearance of a teacher, they are stunned to see the school is putting on a musical based on their lives. Familiar faces abound in this milestone episode.

Absent: Misha Collins, Mark Sheppard

Ask Jeeves 01 Ask Jeeves Writer: Eric Charmelo and Nicole Snyder Director: John MacCarthy 11/18/14 #201 1006
DEAN GETS A SURPRISING MESSAGE FROM BOBBY'S CELL PHONE — Dean (Jensen Ackles) 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 (Jared Padalecki) into hitting the road to claim their fortune. However, what they encounter at the house is far from a treasure chest.

Absent: Misha Collins, Mark Sheppard

Girls, Girls, Girls 05 Girls, Girls, Girls Writer: Robert Berens Director: Robert Singer 11/25/14 #202 1007
ROWENA REAPPEARS — Sam (Jared Padaleck) and Dean (Jensen Ackles) stumble upon a demon who is running from Crowley (Mark A. Sheppard). Before they have a chance to shut him down, Rowena (guest star Ruth Connell) steps in and takes things into her own hands. Realizing Rowena is trying to recruit and train followers in the art of witchcraft, Sam and Dean come up with a plan to catch her before she can do much damage. Meanwhile, Hannah (guest star Erica Carroll) runs into a blast from her vessel's past, which complicates things for her and Castiel (Misha Collins).
Hibbing 911 06 Hibbing 911 Writer: Jenny Klein and Phil Sgriccia Director: Tim Andrew 12/2/14 #203 1008
JODY MILLS RETURNS — Jody Mills (guest star Kim Rhodes) reluctantly attends a mandatory sheriff's retreat and is partnered with an overeager sheriff named Donna (guest star Briana Buckmaster) 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 (Jared Padalecki) and Dean (Jensen Ackles).

Absent: Misha Collins, Mark Sheppard

The Things We Left Behind 12 The Things We Left Behind Writer: Andrew Dabb Director: Guy Bee 12/9/14 #204 1009
CASTIEL REUNITES WITH JIMMY'S DAUGHTER CLAIRE — Castiel (Misha Collins) finds Jimmy's daughter Claire (guest star Kathyrn Love Newton) in a group home and she convinces him to break her out. After she runs away from him, Castiel calls Sam (Jared Padalecki) and Dean (Jensen Ackles) to help find her before she gets in trouble. Meanwhile, Crowley (Mark A. Sheppard) faces his biggest challenge yet.
The Hunter Games 12 The Hunter Games Writer: Eugenie Ross-Leming and Brad Buckner Director: John Badham 1/20/15 #205 1010
THE AFTERMATH — After the massacre at the ranch, Dean, Sam, and Castiel double their efforts to find a cure for the Mark of Cain but there is nothing in the lore that can help them. Desperate, Castiel comes up with an idea that Sam deems the "single worst idea I've ever heard." Meanwhile, Rowena (guest star Ruth Connell) continues to plot against Crowley, and Castiel tries to mend his relationship with Claire (guest star Kathryn Love Newton) who is plotting revenge against Dean for killing her friend.
There's No Place Like Home 09 There's No Place Like Home Writer: Robbie Thompson Director: Phil Sgriccia 1/27/15 #206 1011
CHARLIE RETURNS FROM OZ — Sam is scanning the internet for suspicious paranormal activity and comes across a video of Charlie (guest star Felicia Day) 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.

Absent: Misha Collins, Mark Sheppard

About a Boy 11 About a Boy Writer: Adam Glass Director: Serge Ladouceur 2/3/15 #207 1012
DEAN IS TURNED INTO HIS 14 YEAR OLD SELF- Looking to get Dean (Jensen Ackles) out of the bunker, Sam (Jared Padalecki) 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 (guest star Mark Acheson), from Hansel and Gretel lore, is kidnapping people and turning them into their younger selves to placate the evil witch (guest star Lesley Nicol). Unfortunately, Dean finds this out the hard way after he becomes Hansel's next victim and reverts to his 14 year old self.

Absent: Misha Collins, Mark Sheppard

Halt & Catch Fire 01 Halt & Catch Fire Writer: Eric Charmelo and Nicole Snyder Director: John F. Showalter 2/10/15 #208 1013
GHOSTLY CONNECTION — A 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.

Absent: Misha Collins, Mark Sheppard

The Executioner's Song 07 The Executioner's Song Writer: Robert Berens Director: Phil Sgriccia 2/17/15 #209 1014
THE RETURN OF CAIN — Dean (Jensen Ackles), Sam (Jared Padalecki) and Castiel (Misha Collins) deal with Cain's (guest star Timothy Omundson) return. Crowley (Mark Sheppard) and Rowena (guest star Ruth Connell) 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 Carried 01 The Things They Carried Writer: Jenny Klein Director: John Badham 3/18/15 #210 1015
COLE PAYS A VISIT TO THE WINCHESTERS — Despite Dean's (Jensen Ackles) directive to forget about looking for a cure for the Mark of Cain, Sam (Jared Padalecki) continues to do research. Dean suspects Sam is hiding something but decides to focus on a new murder case where they run into Cole (guest star Travis Aaron Wade). 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.

Absent: Misha Collins, Mark Sheppard

Paint it Black 02 Paint it Black Writer: Eugenie Ross-Leming and Brad Buckner Director: John F. Showalter 3/25/15 #211 1016
ROWENA MAKES PLANS TO RECLAIM HER MAGIC — Sam (Jared Padalecki) and Dean (Jensen Ackles) 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 (guest star Stephen Daniel Curtis) is somehow involved. Meanwhile, when Crowley (Mark Sheppard) captures Olivette (guest star Teryl Rothery), the leader of the Grand Coven, Rowena (guest star Ruth Connell) pleads her case to be allowed to practice magic freely again.

Absent: Misha Collins

Inside Man 04 Inside Man Writer: Andrew Dabb Director: Rashaad Ernesto Green 4/1/15 #212 1017
DEAN AND ROWENA FACE OFF AGAINST EACH OTHER — Sam (Jared Padalecki) and Castiel (Misha Collins) follow up on a lead about the Mark of Cain. Dean (Jensen Ackles) and Rowena (guest star Ruth Connell) meet.
Book of the Damned 12 Book of the Damned Writer: Robbie Thompson Director: P.J. Pesce 4/15/15 #213 1018
FELICIA DAY RETURNS AS CHARLIE — Charlie (guest star Felicia Day) calls Sam (Jared Padalecki) and Dean (Jensen Ackles) to tell them she found the Book of the Damned 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 (guest star Jeff Branson) who says the book belongs to his family and he won't rest until he gets it back. Castiel (Misha Collins) and Metatron (guest star Curtis Armstrong) take a road trip to find Castiel's grace but they hit a couple road bumps along the way.

Absent: Mark Sheppard

The Werther Project 16 The Werther Project Writer: Robert Berens Director: Stefan Pleszczynski 4/22/15 #214 1019
CAN DEAN SAVE SAM? — Sam (Jared Padalecki) 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 (Jensen Ackles) 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.

Absent: Misha Collins, Mark Sheppard

Angel Heart 06 Angel Heart Writer: Robbie Thompson Director: Steve Boyum 4/29/15 #215 1020
CLAIRE NOVAK RETURNS — When Claire Novak (guest star Kathryn Love Newton) gets a lead on her mother, Amelia (guest star Leisha Hailey), who has been missing for years, Castiel (Misha Collins) asks Sam (Jared Padalecki) and Dean (Jensen Ackles) 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.

Absent: Mark Sheppard

Dark Dynasty 08 Dark Dynasty Writer: Eugenie Ross-Leming and Brad Buckner Director: Robert Singer 5/6/15 #216 1021
THE WINCHESTERS MEET THE STYNES — Dean (Jensen Ackles) and Sam (Jared Padalecki) investigate a bizarre murder and realize the killer bears the same tattoo as those from the Styne family. Eldon Styne (guest star David Hoflin) attacks Dean and a brutal fight ensues. Meanwhile, Castiel (Misha Collins) acts as referee when Charlie (guest star Felicia Day) and Rowena (guest star Ruth Connell) are forced to work together on the Book of the Damned. Crowley (Mark Sheppard) discovers his mother is missing and knows she's up to something so he turns to an old enemy for help.
The Prisoner 04 The Prisoner Writer: Andrew Dabb Director: Thomas J. Wright 5/13/15 #217 1022
DEAN IS ON A RAMPAGE — When it comes to the Stynes, Dean (Jensen Ackles) decides to take matters into his own hands. Sam (Jared Padalecki) tries to come to terms with his decision.
Brother's Keeper 21 Brother's Keeper Writer: Jeremy Carver Director: Phil Sgriccia 5/20/15 #218 1023
SUPERNATURAL SEASON FINALE — Dean (Jensen Ackles) makes a shocking decision regarding the Mark of Cain that would change not only his life, but Sam's (Jared Padalecki) too. Meanwhile, Crowley (Mark Sheppard) and Rowena (guest star Ruth Connell) face off and Castiel (Misha Collins) gets caught in the middle.

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Videos

Trivia

  • The season had an average of 2.02 million viewers and 0.8 rating.
    • This is the least watched and lowest rated season of the series.
  • The main antagonists of season ten are the Mark of Cain and Rowena while the secondary antagonists are Demon Dean, the Styne Family and Metatron.
  • This season features the 200th episode of Supernatural.
  • This season marks the first appearance of a Grigori.
  • This is the first season to feature a Leviathan since Season 8.
  • This is the first season to feature a Psychic since Season 8.
  • This is the first season to feature a Khan worm since Season 6.
  • This is the first season to feature the Novak Family since Season 4.
  • This is the only season in which every episode does not begin with a "Then/Now" sequence.
  • This is the third season to have both first-and-last episodes starting with the same letter (Black and Brother's Keeper).

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