Bart befriends an alien only to find out he has evil intents; Marge and Homer, unbeknownst to the other, are professional assassins, and Flanders opens a Christian option to Halloween haunted houses. +[]+(!![])-[])+(!+[]+(!![])+!![]))/+((!+[]+(!![])+!![]+!![]+!![]+!![]+[])+(!+[]+(!![])+!![]+!![]+!![]+!![])+(!+[]+(!![])+!![]+!![]+!![])+(!+[]+(!![])+!![]+!![]+!![])+(!+[]+(!![])+!![]+!