Pretty Little Liars Sneak Peek: The Girls Want to Get ''A,'' Season 2, Episode 25 (VIDEO) Tweet March 13, 2012 by Rebecca Martin Related: Pretty Little Liars, Sneak Peeks , Aria Montgomery , Hanna Marin , Spencer Hastings , Emily Fields , Season 2 Episode 25 Credit: YouTube Air date: March 25, 2012. The girls fight back on Pretty Little Liars Season 2, Episode 25, "UnmAsked."