Ep 18. Hollywood Babylon

Sam and Dean head to Hollywood to investigate strange occurrences on the set of a horror movie being filmed. They quickly discover that the strange happenings are indeed supernatural in nature and are caused by the vengeful spirit of a former movie extra who is seeking revenge against those who caused her untimely death. As they investigate further, they encounter a slew of strange and eccentric Hollywood characters, including the self-absorbed director and the diva actress playing the lead role in the film.

As the brothers dig deeper into the mystery, they uncover a web of deceit and betrayal that runs deep within the movie industry. They discover that the people behind the scenes are willing to do anything to keep the truth from coming out, even if it means sacrificing innocent lives in the process. With time running out, Sam and Dean must race against the clock to stop the vengeful spirit before she wreaks havoc on the entire production and everyone involved.

Through their investigation, Sam and Dean also learn more about the ins and outs of Hollywood, including the use of special effects, the cutthroat competition between actors, and the glamorous lifestyle that often comes at a cost. They also encounter a number of fun and interesting nods to famous horror movies and filmmakers, including nods to Alfred Hitchcock, The Exorcist, and more.

Throughout the episode, the dynamic between Sam and Dean continues to evolve, as they grapple with the complexities of their relationship and the toll that their dangerous job takes on both of them. Despite the often grim subject matter, the episode is also peppered with moments of humor and levity, showcasing the show's signature blend of horror, suspense, and wit.

In the end, Sam and Dean are able to solve the case and put the vengeful spirit to rest, but not without uncovering some troubling truths about the movie industry and the lengths that people will go to keep their secrets hidden. The episode serves as a fitting reminder of the show's unique blend of genre-bending storytelling, witty writing, and compelling characters.