Hi Catherine!
I experienced the
Rivers of Light nighttime show for the first time last year, and was
blown away by the magical performance. The intricacies put into the performance, and the beautiful images projected in front of shimmery water screens and mists is really something to behold!
At this writing, lunch at the
Tusker House Restaurant is between 11:00AM-3:30PM, which likely means you'll be served and ordering from the lunch menu. If you prefer to have the family-style dinner buffet meal instead, I would see if you can change your reservation to 10 minutes ahead (3:35PM and after), when the buffet is readily available.
May you and your family enjoy the meal, the Rivers of Light nighttime show, and the
Animal Kingdom theme park!
Terry