"Unmasked" is the season finale and the twenty-fifth episode of the second season of Pretty Little Liars, which premiered on ABC Family on March 19, 2012. The forty-seventh episode overall, it was directed by Lesli Linka Glatter and written by series creator and showrunner I. Marlene King. The episode yielded 3.69 million viewers and a 1.6 demo rating, an increase from the previous episode. It also received favorable reviews.