Supernatural - Hollywood Babylon Season 2 Episode 18

The brothers head to Hollywood to investigate the mysterious death of an actor. The man was killed on the set of a horror film and rumors begin to fly that he was killed by a ghost. Sam and Dean soon find that the death was a publicity stunt, but when a studio executive and the film's executive producer are found dead, Sam and Dean realize that the rumors about a haunted set may prove to be true.