Pretty Little Liars Season 3, Episode 15 Sneak Peek: The Liars Get a Shock (VIDEO)

Ready to be scared, Pretty Little Liars fans? In this sneak peek of Season 3, Episode 15: "Mona-Mania!" (January 15), the girls go hunting for clues, but they end up getting an unexpected — and unpleasant! — surprise. Check it out below.


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