As with everything The Simpsons, the annual, Halloween-themed "Treehouse of Horror" episodes have been running for a long, long time. In aid of delving into the series' yearly cavalcade of genre ...

Add Yahoo as a preferred source to see more of our stories on Google. The Simpsons’s annual Halloween-themed Treehouse of Horror episodes are always hit-or-miss, increasingly so in the last few years, ...

Well, maybe not when they're armed to the pacifier, as Maggie Simpson is in the official mini-poster for "Treehouse of Horror XVIII," unveiled today exclusively by USA TODAY. The annual Halloween ...