Party City Halloween is a Party City commercial that appears on every television during the Halloween season. It features costumed people dancing with Michael Jackson's Thriller at the beginning then at the end you'll see a freakening scene.
There is some variants in this commercial each year.
Wolf Howl - It can be heard also in the Dog variant
Evil Clown laugh
Low to Medium for the wolf's howl and Devil Baby variants.
Nightmare for the Calaveras and the Evil Clown variants due to loud voice.