The Alamo Drafthouse in Richardson will celebrate Halloween in their own unique way, complete with a Scooby Doo Mystery Machine Bounce House, pumpkin decorating, face painting, costume contest with prizes, DJ Playdate spinning spooky tunes, trick or treating in the theaters, classic Halloween TV specials on a loop and Halloween-themed cocktails available for purchase for the parents in Glass Half Full and creepy crawly punch for the kids.