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!

Chapter One: Spirit Week

Chapter Two: The Spirit Queen

Chapter Three: Aftermath

Chapter Four: The (Fe)male Gaze

Chapter Five: The Night He Came Home

Chapter Six: Scars

Chapter Seven: Carnival of Souls

Chapter Eight: Bad Blood

Chapter Nine: Dead and Buried

Chapter Ten: Final Girls

Chapter Eleven: Spookyspaghetti.com

Chapter Twelve: Summer Lovin

Chapter Thirteen: Sweet Sixteen

Chapter Fourteen: When a Stranger Calls Back

Chapter Fifteen: Friday the 13th

Chapter Sixteen: Hell House

Chapter Seventeen: The Bogeyman

Chapter Eighteen: Final Exam

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

The Best Seasons of Pretty Little Liars: Original Sin

Season 1

Season 2