Why did the trick-or-treater bring a ladder to the party?

He heard the drinks were on the house

Why did the vampire go to the orthodontist?

He wanted to improve his bite.

Why did the zombie go to the prom?

Because he heard it was to die for

Why did the black cat join a trick-or-treat group?

Because it wanted to purr-fect its costume and get some paws-itive candy