Halloween is also associated with supernatural creatures like ghosts and vampires. These creatures are not part of the natural world. They don "t really exist... or do they?"

万圣节还和一些诸如鬼魂和吸血鬼之类的超自然的生物有关。这些生物不是自然界的一部分。他们实际上是不存在的…或许他们其实真的存在？

youdao

And for scares without the vampires, there's "Don't Be Afraid of the Dark."

VOA: special.2011.06.20

As foul as it is, I'd argue that the main reason kids shouldn't see "John Carpenter's Vampires" is because it might stunt their emotional development.

CNN: Review: 'John Carpenter's Vampires' stinks worse than garlic