Amara (guest star Emily Swallow) unleashes her power on the local townspeople as she issues a shocking challenge. Dean (Jensen Ackles) tries to better understand the hold ...

Sam is shocked when his imaginary childhood friend, Sully, makes an unexpected appearance. Sam tries to understand why he is seeing Sully now. Even more surprising, Dean ...

Sheriff Donna calls Sam and Dean for help after a horrific murder with supernatural elements happens in her town. Sam continues to have visions and asks God for help, whi ...

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 incli ...

Sam and Dean investigate a series of murders at a local BandB that also happens to be Lizzie Andrew Borden's old home. When a man tells them he saw a little girl around t ...

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

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 her ...

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

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

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. ...

After Charlie's death Dean and Sam are both heartbroken. Despite their feelings for the situation Dean has decided to battle against the Stynes. On the other hand Sam, Ca ...

Dean and Sam investigate a bizarre murder and realize the killer bears the same tattoo as those from the Styne family. Eldon Styne attacks Dean and a brutal fight ensues. ...

When Claire Novak gets a lead on her mother, Amelia, who has been missing for years, Castiel asks Sam and Dean to help her. Castiel feels guilty for what he did to the No ...

Sam looks for a magical box built by former Men of Letters, Magnus, hoping it will cure Dean, but is surprised by a deadly alarm system. ...

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 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. ...

Dean and Sam investigate grisly, identical suicides by various people with little in common; the brothers begin to suspect that a priest is involved. ...

Despite Dean's directive to forget about looking for a cure for the MOC, Sam continues to do research. Dean suspects Sam is hiding something but decides to focus on a mur ...

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

To take his mind off of the Mark of Cain, Dean goes hunting. They track down a ghost that is killing college students through electronics and the internet. ...

Dean is mysteriously transformed into a teenager. He has to deal with teenage struggles all over again, along with being a hunter. ...

Charlie returns from Oz - Sam is scanning the internet for suspicious paranormal activity and comes across a video of Charlie beating up a district attorney. Dean suspect ...

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 w ...

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

Jody Mills is matched with an overeager partner during a mandatory sheriff's retreat; when a gruesome corpse is discovered, Jody calls Sam and Dean to help investigate. ...

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

Dean encounters a surprising message on Bobby's phone, and Sam and Dean investigate. ...

Sam and Dean go to Michigan to investigate a case of a disappearance, only to find there is a play about their lives from the Supernatural books written by Chuck. Written ...

Sam and Dean investigate a series of werewolf attacks in an attempt to find out who the culprit is. ...

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. ...

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 C ...

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. ...