Buzzfeed brings us this hee-larious trailer mash-up, reimagining one of our favorite childhood movies, Mrs. Doubtfire, as a terrifying psychological horror movie. There’s nothing really I could add to this, other than to say if you really want to see this take on D-Fire, just watch this website for about 2 hours. And now, brilliance:

What does this prove? That Nannies, no matter how adorable, singy, Fran Drescher or Robin Williams, will always be scary.