Do I need to pre-book a time slot for entry with my SEA LIFE Kelly Tarlton's Platinum Annual Pass? Yes, Annual Passholders (including infants) must pre-book a time slot to guarantee entry. Please visit here to pre-book. Related articles Can I contact you by Live Chat? What if I'm running late for my time slot? How do I book a time slot with my Merlin Annual Pass? Can I change the date/time of my booking? Do I get a discount when renewing my SEA LIFE Kelly Tarlton's Platinum Annual Pass?