Sam, Dean and Castiel call on Rowena to help keep the evil souls at bay and get an unexpected assist from Ketch.
Christy escorts a reluctant Chef Rudy to court-ordered AA meetings. Also, Bonnie attempts to make Adam feel more at home in the apartment.
The local mall has closed, and while Amy and Dina are excited about the influx of new customers, they quickly realize they're not all there to shop. Cheyenne learns she's not as cool as she thinks she is.
After Meredith inadvertently stirs up negative press for Grey Sloan, she tries to make things right with her former colleagues, jeopardizing her community service hours. Station 19’s Ben and Vic bring a young woman into the hospital, and Jackson stands up to Koracick when he goes too far with a patient’s family. Meanwhile, Bailey receives unexpected news; and Owen finds himself at Pac-Gen North, which Alex sees as a recruiting opportunity.
As the group deals with a frustrating lack of progress, a visitor arrives and makes a shocking claim that causes them to question who can be trusted.
Sheldon is forced to take a break from science when his new obsession with "The Lord of the Rings" leads to an unhealthy habit. Also, Missy asks George Sr. to teach her how to play catch.
Murr, Sal, Joe and Q showcase questionable products to participants, then rescue strangers who don't need to be rescued; the big loser must hit and run his mouth to get himself out of trouble.
Some women marry for money while others are prepared to murder for it.
When Corona is overcome by a new strain of rocks that induces fearful visions, Rapunzel teams up with Varian to put an end to the new threat
Rollins clashes with the parents of a teenaged runaway. The squad comes together for a special event.
Maggie is shocked to learn Eric’s true identity. Meanwhile, Eddie realizes how much he wants to be a part of Charlie’s life as Katherine makes a decision about her and Eddie’s relationship.
Fredrik has a run-in with L.A. agent Heather Altman at his open house. Ryan markets a beautiful Park Avenue apartment to mysterious buyers from a secret government. Steve realizes decisions at home are easier to make than decisions with developers.
When Wade changes the password to his online dating profile because his friends become too involved, Forrest goes to great lengths to keep tabs on him. Also, Grace and Natalie are torn when their favorite romance-themed reality show they watched with their mom returns for a new season.
Now separated, the couples must navigate through their newly single lifestyle.
When Dr. Jacobs collapses after running a marathon, Carol becomes her doctor and they clash over her course of treatment. Also, Daniel and Lexie try to help Caleb conquer an old phobia.
Kristen, Ben and David are hired to evaluate Eric, a seemingly psychopathic 9-year-old boy; Eric takes a liking to David, which leaves them hopeful they can curb his violent behavior; Kristen's daughters lie about a game their grandmother bought.
The team heads to San Diego to visit the Whaley House, deemed by Hans Holzer as the most haunted home in America. Their harrowing investigation reveals a dark presence may still be influencing the living in an attempt to fulfill a centuries-old vendetta.