How do I book a time slot with my Merlin Annual Pass? As a Merlin Pass Holder you do not need to book a time slot. Simply turn up with your pass, head to the signposted MAP door to gain entry on the date and time of your choice. Buy Tickets Related articles Where do I go to gain entry with my Merlin Annual Pass? What if I have a Merlin Annual Pass? I want to bring my friends using my ‘Share the fun’ vouchers. How does this work? Do you offer a Merlin Annual Pass where you can pay in monthly instalments? I use to have a Merlin Membership can I still get entry into Madame Tussauds London?