After defeating the Leviathan, Sam and Dean set off on an epic quest to seal the Gates of Hell last season. Facing a series of trials, the Winchesters soon found themselves in the middle of an age-old power struggle between the King of Hell and legions of warrior angels. But with the angels cast out of heaven and walking the earth, things just got very unpredictable.
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Episode 1
I Think I’m Gonna Like It Here
With Sam's life on the knife-edge, Dean appeals to the fallen angels for help. Unfortunately, most of them only see Dean as a means to get to Castiel and exact…
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Episode 2
Devil May Care
Dean and Sam take a captive Crowley to the Men of Letters base in the hopes that he will give up the names of the people possessed by his minion…
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Episode 3
I’m No Angel
Castiel makes his way to the Winchesters but discovers a band of angels are hunting him, intent on exacting vengeance for what they believe is his role in their fall…
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Episode 4
Slumber Party
With the help from Charlie, Sam and Dean inadvertently release two individuals contained inside of the Men of Letters bunker who where both imprisoned in 1935. They soon discover that…
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Episode 5
Dog Dean Afternoon
To track down a killer, Dean uses a spell which allows him to speak with the only witness, a German Sheppard. However, he soon discovers that everything is going to…
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Episode 6
Heaven Can’t Wait
Castiel is working as a convenience store clerk and learns of a series of local disappearances. He call the Winchesters, but Dean insists on Sam staying with Kevin to research…
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Episode 7
Bad Boys
Sonny, a man who runs a boy's home, calls Dean for help after a mysterious death. When Sam wonders how his brother knows Sonny, Dean explains that he spent two…
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Episode 8
Rock and a Hard Place
When members of a virgin chastity group are abducted, Sheriff Jody Mills asks Sam and Dean for help. The Winchesters go undercover to track down the missing members, but when…
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Episode 9
Holy Terror
The angels are embroiled in a bloody civil war, and Castiel is swept up in the conflict. Meanwhile, Dean realizes that Ezekiel is not who he claims to be and…
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Episode 10
Road Trip
Dean and Castiel make a deal with Crowley in order to contact Sam's consciousness so he can expel the angel Gadreel from his body. However, Abaddon is hot on their…
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Episode 11
First Born
Crowley turns to Dean for help to locate the First Blade, the only weapon that can kill Abaddon. However, the trail leads them to the biblical Cain. Meanwhile, Sam asks…
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Episode 12
Sharp Teeth
Six months after his disappearance, Garth turns up injured in a hospital. Sam and Dean arrive separately to investigate and soon discover that their friend has undergone a startling transformation.
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Episode 13
The Purge
Two dead victims show up with all the fat having being stolen from their bodies. Sam and Dean go undercover in order to investigate a local spa, and discover that…
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Episode 14
Captives
While Sam and Dean try to track down Kevin's mother, Castiel is captured by an old battle-comrade and learns more about the factions of angels.
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Episode 15
#THINMAN
The Winchester brothers investigate a murder that was apparently caused by a ghost. Sam and Dean discover that the Ghostfacers, Ed and Harry, are already on the case.
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Episode 16
Blade Runners
Sam and Dean are searching for the First Blade and end up having to track down the missing Crowley and discover that he's now thoroughly addicted to human blood. The…
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Episode 17
Mother’s Little Helper
When Dean chooses to stay in the bunker and try and locate Abaddon, Sam goes to a small Illinois town to investigate a string of vicious murders committed by seemingly…
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Episode 18
Meta Fiction
Castiel investigates the mass slaughter of angels and finds a lone survivor and an old friend. Meanwhile, Sam and Dean capture Gadreel, and Metatron begins the ending of his story.
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Episode 19
Alex Annie Alexis Ann
Sheriff Jody Mills befriends a young girl on the run from vampires. When she's forced to kill one of the monsters, Jody calls in Sam and Dean for help. However,…
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Episode 20
Bloodlines
Sam and Dean learn about a monster killing in Chicago and head there to investigate. What they find is a young cop whose girlfriend was killed by the same creature,…
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Episode 21
King of the Damned
Abaddon finally gets something that she can use as leverage against Crowley to force him to lure the Winchesters into a trap. Meanwhile, Castiel rallies his forces and asks Sam…
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Episode 22
Stairway to Heaven
After an angel carries out a suicide attack on an ice cream shop to kill one angel from another faction, Sam and Dean investigate and discover that the target was…
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Episode 23
Do You Believe in Miracles?
After attacking Gadreel, Dean leaves with Crowley to track down Metatron and kill him. Meanwhile, Gadreel takes Castiel into Heaven to try and break Metatron's connection to the angel tablet.