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On Tuesday’s episode of Pretty Little Liars (watch it again here) Mona made her return to Rosewood High and things went from calm to colossally bad in less time than it takes to fail a math quiz. The girls are torn over whether or not to trust her, but will Mona inflict permanent damage before they can even make up their minds?

Check out a sneak peek under the jump of Tuesday’s brand new episode of Pretty Little Liars airing at 8E/5P on MUCH.

You and friend could win a trip to visit the Pretty Little Liars’ LA set. Find out how by clicking here!

Tags: Pretty Little Liars

Posted on Friday, January 11th, 2013 at 11:31 am by Allison and is filed under Pretty Little Liars.