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The Best Episodes of Pretty Little Liars: Original Sin Season 1

Every episode of Pretty Little Liars: Original Sin Season 1 ranked from best to worst. Discover the Best Episodes of Pretty Little Liars: Original Sin Season 1!

Binge this in 8h 47m•Peaking at 8.3/10

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

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Episode Rankings

  1. #1 Fan Favorite
    Pretty Little Liars: Original Sin Season 1 Episode 9 - Chapter Nine: Dead and Buried
    8.3/10(596 votes)

    S1:E9

    Despite coming clean about “A,” the friends find their troubles are far from over – especially as the results of the group’s clandestine blood drive push Tabby towards a new suspect.

    Director:Roxanne Benjamin
    Writers:Lindsay Calhoon Bring, Roberto Aguirre-Sacasa

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  2. Pretty Little Liars: Original Sin Season 1 Episode 10 - Chapter Ten: Final Girls
    8.1/10(646 votes)

    S1:E10

    As “A” doubles down, the friends must work quickly to uncover the link between Angela Waters’ death, their mothers, and their mysterious foe… before it’s too late.

    Director:Unknown
    Writers:Lindsay Calhoon Bring, Roberto Aguirre-Sacasa, Michael Grassi

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  3. Pretty Little Liars: Original Sin Season 1 Episode 5 - Chapter Five: The Night He Came Home
    7.9/10(662 votes)

    S1:E5

    Desperate to keep her mother’s house, Imogen throws a Halloween party to raise cash.

    Director:Unknown
    Writers:Alexis Scheer, Katie Avery

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  4. Pretty Little Liars: Original Sin Season 1 Episode 8 - Chapter Eight: Bad Blood
    7.8/10(538 votes)

    S1:E8

    The friends work together to uncover Imogen and Tabby’s assailant during the Annual Thanksgiving Millwood High Blood Drive. Later, Sidney confronts Tabby about her secrets.

    Director:Megan Griffiths
    Writers:Michael Grassi, Stasia Demick

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  5. Pretty Little Liars: Original Sin Season 1 Episode 4 - Chapter Four: The (Fe)male Gaze
    7.7/10(651 votes)

    S1:E4

    After their punishment comes to an end, the girls cement their friendship when Imogen needs them most.

    Director:Unknown
    Writers:Eleanor Jean, Jenina Kibuka

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  6. Pretty Little Liars: Original Sin Season 1 Episode 2 - Chapter Two: The Spirit Queen
    7.6/10(831 votes)

    S1:E2

    As Imogen and her newfound friends plot revenge against a mutual nemesis, Karen and her twin sister Kelly hatch an insidious plan of their own.

    Director:Lisa Soper
    Writers:Lindsay Calhoon Bring, Roberto Aguirre-Sacasa

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  7. Pretty Little Liars: Original Sin Season 1 Episode 3 - Chapter Three: Aftermath
    7.6/10(806 votes)

    S1:E3

    In the wake of Spirit Week, Imogen unearths long-buried truths on her path to unmask the mysterious “A.” After Sheriff Beasley closes in, Noa, Faran, and Mouse weigh their options, while Tabby works to recover vital evidence.

    Director:Maggie Kiley
    Writers:Michael Grassi, Evelyn Yves

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  8. Pretty Little Liars: Original Sin Season 1 Episode 6 - Chapter Six: Scars
    7.6/10(581 votes)

    S1:E6

    As Imogen and Tabby dig into the mystery surrounding Angela Waters, Faran deals with the scars of her past. After Shawn confronts Marjorie, Noa questions her relationship with her mother, while Mouse spots a familiar face on her first date.

    Director:Cierra Glaude
    Writers:Pamela Garcia Rooney, Danielle Iman

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  9. Pretty Little Liars: Original Sin Season 1 Episode 7 - Chapter Seven: Carnival of Souls
    7.5/10(568 votes)

    S1:E7

    As the Millwood carnival approaches, Mouse and Tabby each struggle with secrets, and Noa notices Shawn isn’t himself. Meanwhile, Imogen considers her baby’s future, and Faran confronts everything that’s been plaguing her.

    Director:Alex Pillai
    Writers:Daniel G. King, Neil McNeil

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  10. Pretty Little Liars: Original Sin Season 1 Episode 1 - Chapter One: Spirit Week
    7.2/10(972 votes)

    S1:E1

    In 1999, a group of friends is rocked by the sudden death of one of their own. Twenty-two years later, their daughters are pushed together by a mysterious foe.

    Director:Lisa Soper
    Writers:Lindsay Calhoon Bring, Roberto Aguirre-Sacasa

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Season 1 Ratings Summary

"Chapter Nine: Dead and Buried" is the best rated episode of "Pretty Little Liars: Original Sin" season 1. It scored 8.3/10 based on 596 votes. Directed by Roxanne Benjamin and written by Lindsay Calhoon Bring, Roberto Aguirre-Sacasa, it aired on 8/18/2022. This episode is rated 0.2 points higher than the second-best, "Chapter Ten: Final Girls".