Season 1 Episode 20 episode 20

Pretty Little Liars Episode 20 "Someone to Watch Over Me" Promo

Pretty Little Liars Episode 20 "Someone to Watch Over Me" Promo

As the heat is turned up on the suspicions surrounding Spencer, the girls must come to the reality that they aren't the only ones hiding secrets in Rosewood. Spencer remembers something that happened the night of the murder. Check out the first promo for Pretty Little Liars episode 20, titled "Someone to Watch Over Me":

http://www.youtube.com/watch?feature=player_embedded&v=BIDjWYg7kTg