Hi, Marguriete!
On nights when Magic Kingdom is hosting
Mickey's Not-So-Scary Halloween Party, Magic Kingdom will close when the party begins.
For example, on Monday, October 14th, MK closes at 7 p.m. and MNSSHP begins that night. Generally speaking, Guests without MNSSHP tickets will need to exit at park close, and will not be able to partake in entertainment, dining and Trick-or Treat Fun during the party. Cast Members will help non-ticketed Guests in their departure as well as welcoming those with tickets to the Halloween Party. You will be impressed with how smoothly the transition occurs, Marguriete!
I know that my soon-to-be 12-year-old and I are really looking forward to our MNSSHP this fall; it's truly a fan favorite, so I know you'll love it, too!
Send more questions as you think of them, Marguriete; we love to help!