SeaWorld’s “Howl-O-Scream” transforms the theme park into a scream park, with sinister haunted houses, thrilling live shows, themed bars and scare zones – or Terror-tories. Replenish your thirst for terror at one of our signature Halloween bars. Find ultimate thrills, as you ride coasters at night. Close the night with live entertainment by some of your favorite creepy creatures and monsters. Thrills and chills await you this October at Howl-O-Scream.