I have never been to HS and we are going on our upcoming trip. I read about fantasmic, but from what I read you have to be there 90 minutes before the show starts. My DD4 would love this show but she has aspbergers with ADHD on top of that and there is no way we could wait that long. Can you still get a seat if you show up right before the show?
We will more than likely have a GAC again this trip since DD is back on monitors and will need to use her stroller as a wheelchair, so I will know then how that will work. Maybe check on the disAbilities board, Im sure someone there can help you.