What is Howl'o'ween? Selected dates from 13th to 31st October 2018. Spooky family fun, rides in the dark, Zoo and SEA LIFE centre and spine-tingling Halloween attractions. Keep an eye on our website for more details! Related articles Do you offer a 2 day ticket? What are your Opening Times? Does my Fastrack ticket give me unlimited use on the ride/s? Do you offer Corporate and Conference Event facilities? Do I get a discount on Fastrack tickets as a Merlin Annual Pass holder?