Hi Alyssa!
I believe you are referring to
Disney After Dark, which was a limited time special event at the beginning of this year and last year. It was available for 7 select nights and Magic Kingdom Park was open for an additional 3 hours after the park had closed. Since this event recently ended, it probably won't return any time soon. Following the
Disney Parks Blog will keep you up to date with any special events that are coming to Walt Disney World.
Early Morning Magic in Fantasyland at Magic Kingdom Park is an option if you're interested in an event outside of normal park hours. I went to this last year and it was a lot of fun. Fantasyland is open from 7:45AM to 10:00AM on select mornings for this event and includes a hot breakfast, buffet style, at Pinocchio's Village Haus. Several attractions are open, including
Seven Dwarfs Mine Train. Since this is a limited ticket event, the crowds are super low. We were able to ride Seven Dwarfs Mine Train on repeat as many times as we wanted. (6 was my limit!) If you plan on attending, I suggest experiencing all of the attractions you'd like before heading to breakfast. Once the gates open to all other Guests, Fantasyland will start to get crowded.
Have a magical day!
Leslie