Way too many passengers are under the impression RCI has Sunday Ticket. Over the years the number of games has increased dramatically. In the Caribbean, you get two afternoon games two 4 o'clock games, a Sunday night, and a Thursday night.
As others have pointed out, Med is really late.
99% of people enter the Bahamas via airplanes or cruise ships. It has nothing to do with this poster's question.
The Bahamas' passport requirements are unimportant if you are on a closed-loop cruise. You can use your BC and driver's license. That's it.
I encourage everyone to travel with a passport. If you have a valid passport that's all you need to return to the US.
The staff will try to seat you with the same waitstaff each night. Probably a different table because they rotate table locations.
I'm not sure what your experience has been, but for dinner, we have always had the same waitstaff.