Supernatural Season 10, Episode 21: Dark Dynasty

1

Black

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 fading grace.

42 min

2

Reichenbach

Crowley 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.

43 min

3

Soul Survivor

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.

42 min

4

Paper Moon

Sam and Dean investigate a series of werewolf attacks.

42 min

5

Fan Fiction

Sam and Dean investigate a haunting at a theatre.

42 min

6

Ask Jeeves

After Dean hears a surprising message on Bobby's phone, he and Sam head out to investigate.

42 min

7

Girls, Girls, Girls

Sam and Dean discover a group of witches on a gone wild trip and attempt to stop them.

42 min

8

Hibbing 911

Sheriff 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.

43 min

9

The Things We Left Behind

Castiel 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.

42 min

10

The Hunter Games

After 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.

43 min

11

There's No Place Like Home

Sam 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.

43 min

12

About a Boy

Looking 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.

41 min

13

Halt & Catch Fire

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.

42 min

14

The Executioner's Song

Dean, 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.

43 min

15

The Things They Carried

Despite 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.

42 min

16

Paint It Black

Sam 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.

42 min

17

Inside Man

Sam and Castiel follow up on a lead about the Mark of Cain. Dean and Rowena meet.

42 min

18

Book of the Damned

Charlie 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.

42 min

19

The Werther Project

Sam 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.

43 min

20

Angel Heart

When 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.

42 min

21

Dark Dynasty

Dean 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.

43 min

22

The Prisoner

When it comes to the Stynes, Dean decides to take matters into his own hands. Sam tries to come to terms with his decision.

43 min

23

Brother's Keeper

Dean 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.

43 min