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The Best Episodes of Pretty Little Liars: Original Sin

Every episode of Pretty Little Liars: Original Sin ranked from best to worst. Let's dive into the Best Episodes of Pretty Little Liars: Original Sin!

Binge this in 15h 24m•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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  1. #1 Fan Favorite
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    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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    The 20 WORST Episodes of Pretty Little Liars: Original Sin

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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 2 Episode 4 - Chapter Fourteen: When a Stranger Calls Back
    7.5/10(288 votes)

    S2:E4

    Still shaken from her encounter with Bloody Rose, Mouse searches for the real Rose Waters. Meanwhile, Imogen keeps tabs on Dr. Sullivan, Tabby works on a new short, Noa takes a much-needed day off, and Faran’s strength is put to the ultimate test.

    Director:Roxanne Benjamin
    Writer:Danielle Iman

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  11. Pretty Little Liars: Original Sin Season 2 Episode 3 - Chapter Thirteen: Sweet Sixteen
    7.4/10(312 votes)

    S2:E3

    As the PLLs plan Mouse's surprise sixteenth birthday party, Tabby and Imogen face boy problems, Noa clashes with Jen and Faran spills her secret.

    Director:Roxanne Benjamin
    Writer:Sara Saedi

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  12. Pretty Little Liars: Original Sin Season 2 Episode 7 - Chapter Seventeen: The Bogeyman
    7.3/10(263 votes)

    S2:E7

    Still shaken from Hell House, Imogen learns about Dr. Sullivan's secret ties to A, while the PLLs set out to uncover Bloody Rose's identity.

    Director:Rob Seidenglanz
    Writer:Jenina Kibuka

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  13. 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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  14. Pretty Little Liars: Original Sin Season 2 Episode 6 - Chapter Sixteen: Hell House
    7.2/10(292 votes)

    S2:E6

    After discovering that Kelly's church is using her former home for their disturbing "Hell House", Imogen springs into action, while Mouse and Ash plan a Pride pool party in protest. Later, the PLLs' plan to freak out the faithful takes a frightening turn.

    Director:Alex Pillai
    Writer:Delondra Williams

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  15. Pretty Little Liars: Original Sin Season 2 Episode 5 - Chapter Fifteen: Friday the 13th
    7.1/10(281 votes)

    S2:E5

    A disturbing discovery causes the PLLs to doubt Dr. Sullivan. Meanwhile, during Tabby's movie marathon, Noa is forced to make a brutal decision.

    Director:Alex Pillai
    Writer:Katie Avery

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  16. Pretty Little Liars: Original Sin Season 2 Episode 1 - Chapter Eleven: Spookyspaghetti.com
    7.0/10(350 votes)

    S2:E1

    The PLLs await the results of A's trial and a much-needed break – only to be cursed with a fate worse than death ... summer school.

    Director:Maggie Kiley
    Writers:Lindsay Calhoon Bring, Roberto Aguirre-Sacasa

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  17. Pretty Little Liars: Original Sin Season 2 Episode 2 - Chapter Twelve: Summer Lovin
    7.0/10(323 votes)

    S2:E2

    Heeding Dr. Sullivan's advice, the PLLs make the most of their summers. Meanwhile, Imogen forges a new identity away from her closest friends.

    Director:Maggie Kiley
    Writer:Michael Grassi

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  18. Pretty Little Liars: Original Sin Season 2 Episode 8 - Chapter Eighteen: Final Exam
    6.8/10(290 votes)

    S2:E8

    The PLLs take a final stab at their list of suspects, and through a harrowing night will discover the identity of Bloody Rose Waters once and for all.

    Director:Rob Seidenglanz
    Writers:Lindsay Calhoon Bring, Roberto Aguirre-Sacasa

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Best Episodes Summary

"Chapter Nine: Dead and Buried" is the best rated episode of "Pretty Little Liars: Original Sin". 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 scored 0.2 points higher than the second highest rated, "Chapter Ten: Final Girls".