Pretty Little Liars Season 1 Episode 21
Watch Pretty Little Liars Season 1 Episode 21 OnlineEpisode Name: Monsters in the End
Episode Summary: The girls get one step closer to finding out who Alison’s murderer is when Emily finds a key that Jenna desperately needs. Caleb gets ready to leave Rosewood, while Spencer finds herself trapped at the Founder Festival. Aria finds a picture of Ezra with another woman and suspects the worst.