Oh, wow! Haha. I assume it'll have a long line throughout the day since you'll be visiting on a Saturday. Saturdays are probably the most crowded days at the parks since everyone is having a break from school. I recommend going there as soon as it opens (about an hour or 2 after the park's opening). Whatever you do, don't go when the Special Effects Show has just ended, and don't go right at noon. The restaurant can be an absolute nightmare at times.