Every Monday, Next Episode January 17, 2011
Pretty Little Liars Season 1 - Episode 13: "Know Your Frenemies"
http://www.watchprettylittleliars.com

A" tempts Hanna to return her old criminal ways. Meanwhile, Noel continues to go after Ezra; Emily's mother stops pretending to accept Maya; Spencer adjusts to her sister's marriage; and the girls get some surprising assistance.