What just happened?
After he collapsed on the floor, the Winchesters rush Jack o the hospital in the hopes of discovering what is happening to him. Following several medical tests, the doctors don't know what's wrong but they do know that his body is shutting down.
Shoefly don't bother me.
With Sam out on a hunt with Charlie, Dean is left alone with Jack at the bunker and the depowered Nephilim is getting pretty stir crazy. Much like Dean, Jack feels guilty over what has happened with Michael.
The life of a hunter just got that much worse.
After Maggie fails to update her regular check in, Sam and Dean watch her body cam footage and see that she may have been taken by a ghoul. With no time to waste, the two drive out to Oklahoma and investigate the property where she was last seen.
After finding Dean in his room, binging Hatchet Man horror movies and eating pizza he knows that he has just the case to get his brother out of his funk. Fortunately enough, Sam just found something in Salem, Ohio where a man was attacked by a Panthero action figure.
A trip to Sioux Falls for the Winchesters always has two things: Jody Mills and dead bodies.
After Sam brings Dean back to the bunker, he can see that his brother is uneasy. Dean, however, wants to remember what happened and is startled when he sees two large scars on his arm.
Monsters don't always come from below.
After finding a tip on the Michael's possible location, Sam, Bobby and Mary are off to Duluth while Castiel stays back to babysit Jack and Nick. After arriving at the local morgue, the three of them see that the eyes of the victims have all been burnt out; clearly the work of an angel but there's something more here.
The sky is blue, the grass is green and the Winchesters are back.
It's bene three weeks since Sam last saw his brother be overtaken by the archangel Michael. After a failed trip to Atlanta to find his brother, he arrives back at the bunker which has transformed from his home to a central headquarters for hunters.
Some people can't be saved.
Jack snaps up in his bed, safe in the bunker when he suddenly hears Sam and Dean outside the room – talking about how relieved they ae now that he's back. He feels a sense of calm until the alarm begins to sound. Sam and Dean are trapped inside of a burning room and need his help.
Shape shifting, grave robbing, ghoul cowboys. Oh my!
Much to Sam and Dean's disbelief, Castiel has returned. Unlike the last time their winged friend returned from the dead, he remembers everything; even how he annoyed a cosmic being into resurrecting him. As much as they are surprised to see their dear friend back, they know that Jack will be more stunned than they were.
Shape shifting ex-boyfriends from hell.
After Dean finds a case in Madison, Wisconsin, he is ready to hit the road but Sam wants o bring Jack with them. Dean isn't happy about that idea but Sam convinces him to give the kid a chance. Surprisingly, it's Jack that needs the real convincing.