How do I book a time slot with my Merlin Annual Pass? You do not need to book a time slot with a Merlin Annual Pass, simply turn up and join the priority queue. Related articles Do I get a discount by booking online? How do I book with my VIP Merlin Annual Pass? Where do I go to gain entry with my Merlin Annual Pass? Do I get to skip the queues with a Big Ticket? When is the quietest time to visit The Blackpool Tower Dungeon?