It used to be printed on your room key in the past, but I understand that it's in the app now once you get on board. With 4 nights, you will be scheduled in one of the MDRs twice and typically your second night there would be pirate's night with the pirate menu (same at all 3 MDRs). Also, you don't have to eat in the MDR if you don't want to. You can order room service or hit up Marceline Market or one of the places on pool deck. I know that's more than you asked for....
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