Pretty Little Liars Season 3, Episode 20 Sneak Peek: Hanna Opens Up (VIDEO) Tweet February 13, 2013 at 11:22AM EST by Rebecca Martin Related: Pretty Little Liars, Sneak Peeks , Hanna Marin , Ashley Marin , Season 3 , Season 3 Episode 20 Credit: YouTube It's finally time to let a parent into the circle on Pretty Little Liars Season 3, Episode 20: "Hot Water" (February 19). Kinda.