Dr. Sullivan then figures out in Pretty Little Liars season 2, episode 11, "I Must Confess" that Mona is A. She only has the information to put this together because she was Mona's therapist.

As we inch closer to summer, Max is already there with "Pretty Little Liars: Summer School." But unfortunately, you won't be able to binge it. Just in case the first season of the show — which ...

Mystery–thriller series Pretty Little Liars (PLL) premiered on ABC Family ... maintaining a steady viewership of over 2.5 million. The series amassed 45 awards through the years, including ...