Are there restrictions for using my Merlin Pass at Shrek's Adventure? For information regarding restrictions, please visit https://www.merlinannualpass.co.uk/ Related articles I'm a Merlin Pass holder, do I need to pre-book? How do I purchase Merlin Pass Friends and Family tickets? I thought the summer pre-book tickets were being released in May, why are they being released now? How do I redeem my Premium Merlin Annual Pass Share the Fun Vouchers for Shrek's Adventure? Where can I find information on Merlin Passes?