Do Merlin Annual Passholders need to pre-book entry? We recommended pre-booking at thorpepark.com to guarantee entry. Check restriction dates here: https://www.merlinannualpass.co.uk/important-information/terms-conditions/restriction-dates/ Related articles Do Thorpe Park Annual Passholders need to pre-book entry? Do Passholders get scare maze discount? What dates does FRIGHT NIGHTS run? How do I purchase Merlin Pass Friends and Family tickets? How much are tickets?