When Caitlin and Michael are under the bed, Caitlin says "Okay, maybe we should stay under the bed," but her mouth doesn't move.
The Tooth Fairy in Darkness Falls looks completely different from what was originally made. The studio had to go back and re-film and make The Tooth Fairy look less scary. Heres a website that shows what she originally looked like. http://www.spawn.com/toys/product.aspx?division=toys&category=movies&series=mm5&product=toothfairy