Hi Sheena,
My son and I just love
Mickey's Not So Scary Halloween Party! It is my favorite special event party in the Magic Kingdom and I have been three times in the last three years! The dates for Mickey's Not So Scary Halloween Party for 2013 have not been announced yet, but if you look at the historical dates for this awesome party, it typically begins in early September and lasts until a few days after Halloween. In 2012 the dates for Mickey's Not So Scary Halloween Party were:
September: 11th, 14th, 18th, 21st, 25th, 28th, 30th
October: 4th, 5th, 8th, 11th, 12th, 14th, 16th, 18th, 21st, 23rd, 25th, 26th, 28th, 30th, 31st
November: 2nd
This should give you a good idea of the typical dates for Mickey's Not So Scary Halloween Party. Keep checking the link above for the 2103 dates to be announced. I would recommend having your whole family dress in costumes because it really adds to the experience!
I hope that your family makes some amazing memories at Mickey's Not So Scary Halloween Party!
Keep Dreaming Big!
Marc