This Halloween season, Warner Bros. Studio Tour Hollywood dares you to enter our iconic backlot for an incredible Halloween party where evil clowns, demon nuns, super villains, possessed dolls and the devil himself will come to life. Be prepared to face your deepest fears and see what nightmares await you from the twisted minds that brought you IT, The Conjuring, Freddy vs. Jason, The Exorcist, and from the DC Universe, Batman: Arkham Asylum.