Pretty Little Liars Sneak Peek: Melissa Is Upset on Season 2, Episode 21 (VIDEO) Tweet February 15, 2012 by Rebecca Martin Related: Pretty Little Liars, Sneak Peeks , Spencer Hastings , Melissa Hastings , Season 2 Episode 21 Credit: YouTube Air date: February 20, 2012. Melissa reacts to the news about Jason on Pretty Little Liars Season 2, Episode 21: "Breaking the Code."
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