What are your Christmas Opening Hours? Shrek's Adventure! is closed on Christmas Day. For a full list of our opening times, please click here. Related articles When is Shrek's Adventure London Open? How do I purchase friends and family tickets for Shrek's Adventure! London? When is Madame Tussauds London Open? When does the London Eye River Cruise Operate? Can I pre-book my entry with a Merlin Pass?