Promo videos of “Supernatural” Season 15, episode 4 have been released online. The plot will focus on a serial killer who goes after cheerleaders, and the episode has been directed by Jensen Ackles, who plays the role of Dean Winchester on the show.

The case the brothers will take next will be about a serial killer on the loose. The promo video of the episode shows the killer attacking one of the victims, and the brothers showing up at the school to investigate the murders.

“Somebody’s got a fetish,” Dean remarks in the promo about the killer’s obsession with cheerleaders. The concern for the school is that the deaths will cause them to cancel a football game.

Apart from the case, a big part of the next episode will be about Sam Winchester (Jared Padalecki) dealing with a recent death. A sneak peek scene from “Supernatural” Season 15, episode 4 reveals how Sam will be deeply disturbed by recent events.

Sam will lock himself up in his room for a few days after the death of a major character. He also appears to be having trouble eating and sleeping. His brother, however, will be there to support him and help him deal with the loss he has experienced. The serial killer case may the perfect opportunity for Sam to get back to being himself.

One of the comments Sam makes while talking about difficulties in sleeping is that he has been having “weird dreams.” While Dean dismisses the idea, the dreams may have something to do with the visions the character had in the premiere of the season.

Commenting on the Sam’s dreams, showrunner Andrew Dabb told TV Line that as the character experiences these dreams more often it will begin to dawn on him that this is more than some PTSD he is experiencing.

“Supernatural” Season 15, episode 4 is titled “Atomic Monsters.” The episodes airs on Nov. 7 at 8 p.m. EST on The CW.

Supernatural Season 15
Sam (Jared Padalecki) and Dean (Jensen Ackles) in the "Supernatural" Season 15 premiere. The CW/Colin Bentley
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