Everything ends; even heaven.
Knowing how dire their straits have become, the Winchesters give Rowena a call for help. She tells them that she might be willing to help with the end of the world and all but she's awfully busy with her own things right now and just can't spare the time.
Hey, teachers! Leave them kids alone.
After a teacher is found dead with his tongue ripped out and his organs crushed, the Winchesters have their latest case in Des Moines, Iowa. They ask Mary if she's up for taking a case with them but she's been busy killing demons with Mr. Ketch of the British Men of Letters.
When Dean gets hit with a magic spell that erases memory, Sam has to save his brother before there is nothing left.
After waking up in a forest with no idea how he got there, Dean manages to call Sam and have him meet him for waffles at the nearby diner. It's there that he sees a girl that he has no recollection of from last night and promptly gets a slap in the face.
Frozen hearts, ghost children and a decaying vessel for Lucifer. Supernatural has it all in this week's episode, The Foundry.
Still adjusting to being alive again, Mary Winchester is feeling pretty off. Dean doesn't see it but Castiel and Sam notice that she isn't adjusting – she's struggling.
You'll taunt me and torture me – and I'll say no. And eventually, sooner than you think, my brother's gonna walk through that door and kick your ass.
Stuck in the cage with nowhere to go, Sam is at the mercy of Lucifer. Sam assumes that the devil will taunt him and torture him but Lucifer has another plan: to make Sam an offer he can't refuse.
Family don't end in blood but it doesn't start there either.
After waking up in the middle of the night to Dean's screams, Sam knows that he has to do something and fast. The next morning, Sam uses the lack of cases as the perfect opportunity for his plan and tricks Dean into thinking he's going to see a French film.
Dean, she is married to Jesus.
Following a recent string of suicides from members of a congregation in Massachusetts, the Winchesters have a case. Using their latest FBI disguises, they talk with Father Delaney and Sister Mathias for any help they can get. Elsewhere, in hell, Crowley isn't lacking for complaints about his mother.
As the Mark of Cain continues to take its toll on Dean, Sam and Castiel's desperation forces them to turn to an enemy for help. Whether they can trust him has yet to be decided.
Not satisfied with having schemed her way out of death, Rowena is planting hex bags around Crowley and sowing the seeds of paranoia.
Demons are getting with the times and using dating apps to makes deals for souls but don't be afraid: Impala67 is on the case.
Tired of meeting girls the old fashioned way, Dean has been using a dating app to connect with girls online. Sam thinks that Dean may be getting played but is suddenly at a loss for words when Dean's hot date, Shaylene, shows up.