PRETTY LITTLE LIARS Season 3 Episode 20 Hot Water Sneak Peek Clips : PRETTY LITTLE LIARS – “Hot Water” – Tensions rise to the boiling point for Aria, Emily, Hanna and Spencer, in “Hot Water,” an all new episode of ABC Family’s hit original series “Pretty Little Liars,” airing Tuesday, February 19th (8:00 – 9:00 PM ET/PT).