Every season of Pretty Little Liars: Original Sin ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of Pretty Little Liars: Original Sin!

Twenty years ago, a series of tragic events almost ripped the blue-collar town of Millwood apart. Now, in the present day, a group of disparate teen girls finds themselves tormented by an unknown Assailant and made to pay for the secret sin their parents committed two decades ago, as well as their own.

The Best Seasons of Pretty Little Liars: Original Sin

Every season of Pretty Little Liars: Original Sin ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of Pretty Little Liars: Original Sin!