Supernatural, #THINMAN

Sam collapses and Dean sends out an emergency plea via prayer to every angel in the area to help Sam. In exchange, Dean agrees to owe that angel a favor. But his request is answered by numerous angry angels who want to kill him.

Dean kidnaps Crowley in order to find the demons on earth. Meanwhile, Abaddon reappears and plans to take over hell.

A group of angels hunts Castiel. Dean and Sam race to find their friend before the angels do. Homeless, Castiel tries to make his way through the city and comes across some unexpected surprises.

Sam and Dean meet Dorothy from Oz and the Wicked Witch when they locate an ancient computer in the Men of Letters house that dislodges a hidden hex bag that in turn unleashes a magical green-webbed wall. Dorothy became trapped in the web years ago.

Sam and Dean investigate two gruesome murders and realise that a German shepherd witnessed both deaths, so they use a spell that allows Dean to communicate with the dog. Unfortunately, the spell comes with unexpected side effects.

Castiel gets a job and starts enjoying life as a human, but when he learns about some local disappearances he asks Dean to help him investigate. Meanwhile, Crowley agrees to help decipher the tablet in return for one phone call to hell.

Dean helps an old friend with a ghost problem at a home for delinquent boys. Dean was sent there years before for stealing food. When Sam learns about Dean's past he is stunned and asks for more information, which Dean is reluctant to give.

Sheriff Mills asks Sam and Dean to help her investigate the murders of four members of a church chastity group. Shortly after the brothers join the group, Dean disappears, and Sam and the sheriff team up to rescue him.

An angel war begins, and a massive amount of angels are slaughtered. Sam and Dean investigate and run into Castiel, who is soon captured and tortured. Meanwhile, Dean questions Ezekiel's demands and wonders if it is time to tell Sam the truth.

Dean hunts the angel who killed Kevin and tries to separate Sam's brain from an angels mind in order to expel Gadreel. However, the only person who knows how to do that is Crowley.

Crowley, who wants to reclaim his place as King of Hell, seeks Dean's help to find the First Blade, the only blade that can kill Abbadon. Unfortunately, Cain, the firstborn son, controls it.

Sam and Dean visit Garth in the hospital and demand to know where he has been. Garth runs away, and the guys investigate why he fled and are stunned by what they uncover.

Sam and Dean work undercover at a spa to investigate murders in which the victims were hundreds of pounds lighter after their deaths. All of the victims attended the spa for weight loss, and the brothers suspect that witches are to blame.

Sam and Dean are shocked to discover that the Men of Letters' bunker is haunted. Their investigation leads them to a storage facility where the demons are keeping a prize possession. Meanwhile, Castiel is captured by Bartholomew.

Sam and Dean investigate a girl's death that may be linked to a ghost. Their probe leads them to encounter Harry and Ed, two famous supernaturalists who are also on the case.

Sam and Dean get help from a former member of the Men of Letters to locate the First Blade after Crowley falls off the wagon and starts injecting himself with human blood.

Sam visits a town where ordinary people are turning into violent murderers. His investigation reveals that the Men of Letters came to the town in 1958. Meanwhile, Dean struggles with effects from the Mark of Cain and is tested by Crowley.

Metatron tries to get Castiel to join forces with him. Meanwhile, Sam and Dean capture Gadreel.

Sheriff Mills tries to save a girl from a family of vampires who are using her as bait to lure in humans they can feed on.

Sam and Dean look into monster families that are running Chicago's underbelly, including a clan of shapeshifters and a group of werewolves. Meanwhile, they meet someone who has a personal grudge against the creatures.

Abaddon demands that Crowley help her kill Sam and Dean. When he refuses, she reveals a shocking bargaining chip to change his mind. Meanwhile, Castiel captures one of Metatron's angels and gets Sam and Dean to help him with the interrogation.

Tessa the reaper returns and leads a conspiracy against Castiel's angel followers. Meanwhile, Dean is eager to use the First Blade when the angels are attacked, but Sam worries about the cost to his brother whenever he uses it.

Dean is feeling the effects of the First Blade. Meanwhile, Metatron makes his move against humanity, as Sam, Dean and Castiel try to stop him.