1. Professional Filming
Filming a commercial or other promotional material in a crowded park is difficult to say the least. You never know who or what might end up on screen, and there is a ton of noise to filter out. Instead of attempting to fight a losing battle, Disney often chooses to shoot its commercials after closing in order to maintain complete control over what is seen in the background.
There you have it, folks. We hope these nine fun factoids have quenched your curiosity about what happens at Disneyland after dark. Of course, this is far from everything that happens during the nighttime hours, but we have to leave some mystery lest we remove all the magic from the happiest place on earth.