Pretty Little Liars Season 4 Halloween Special Promo: 18 Things We Learn (VIDEO)

The Pretty Little Liars Season 4 finale hasn't aired yet (it's on tomorrow, August 27), but we've already been given a sneak peek at what's coming up in October, thanks to a preview from ABC Family that teases the epic Halloween special (October 22), and the premiere of Ravenswood, which will air after the special and extend the same story. What can we learn from this promo? We've taken a close look at everything it reveals. What do the six names mean? Before we get to the promo itself, we...


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