Dean returns from Purgatory, one year after the fight with the Leviathans. After reuniting with Sam, they find out that Kevin escaped Crowley with another Word of God that may hold the key to closing the gates of Hell forever.

If this reaction is blocked, you can find a version of it here.

After saving Kevin's mother from demons, Sam, Dean, and Kevin go after the Word of God which is being auctioned off by Plutus, the god of greed.

If this reaction is blocked, you can find a version of it here.

Crowley has kidnapped Kevin and the rest of the prophets that are able to read the Word of God. Castiel mysteriously returns from Purgatory and helps Sam and Dean rescue Kevin.

If this reaction is blocked, you can find a version of it here.

Castiel decides to become a hunter, like Sam and Dean. But his first day on the job is a doozy when they investigate a series of murders caused by old cartoon gags. Meanwhile, Sam thinks back to his first time meeting Amelia's father.

If this reaction is blocked, you can find a version of it here.

When two LARPers turn up dead, Sam and Dean investigate the fictional world of Moondoor, where they find a familiar face.

If this reaction is blocked, you can find a version of it here.

Sam and Dean's grandfather, Henry Winchester, arrives by time travel, claiming that he has something to protect from an Abaddon that is hot on his trail.

If this reaction is blocked, you can find a version of it here.

Kevin has found out that in order to close the gates of Hell, the person needs to accomplish three tasks. The first, is to kill a Hellhound.

If this reaction is blocked, you can find a version of it here.

Sam and Dean hunt down the angel tablet with assistance from Castiel and Meg.

If this reaction is blocked, you can find a version of it here.

The second task is to rescue an innocent soul from Hell and deliver it to Heaven.

If this reaction is blocked, you can find a version of it here.

While searching for Kevin, again, Charlie joins up with Sam and Dean as they track down a creature that's been liquefying its victims. Plus, a new side of Charlie is revealed.

If this reaction is blocked, you can find a version of it here.

Sam and Dean search for the Word's author, Metatron. Castiel tries to protect the angel tablet. Kevin tries to solve the third trial under Crowley's supervision.

If this reaction is blocked, you can find a version of it here.

Sam and Dean try to figure out how to cure a demon. Crowley starts killing victims that Sam and Dean have saved from previous jobs. Castiel and Metatron begin the trials to close the gates to Heaven.

If this reaction is blocked, you can find a version of it here.

Sam and Dean capture Crowley to finish the trials and close the gates of Hell. Castiel and Metatron continue the trials to close the gates of Heaven. Sam is left with a huge decision.

If this reaction is blocked, you can find a version of it here.