Sneak Peek footage from the Winter Season Premiere episode of the teen mystery thriller series "Pretty Little Liars", titled "Through a Glass, Darkly", written by Joseph Dougherty, Lijah J. Barasz and directed by Chad Lowe, airing January 6, 2015 on ABC Family:
"...'Aria', 'Emily', 'Hanna' and 'Spencer' are determined to prove 'Alison' killed 'Mona'..."
Click the images to enlarge and Sneak Peek "Pretty Little Liars"...
