Pretty Little Liars: Original Sin backdrop
Drama•Mystery

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 26m•Peaking at 6.0/10

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

Airs on
HBO MaxMax
BestEpisodes
WorstEpisodes
BestSeasons
AllEpisodes

Seasons2

All12

Episode Rankings

  1. #1 Fan Favorite
    Click to reveal
    Pretty Little Liars: Original Sin Season 1 Episode 1 - Chapter One: Spirit Week
    6.0/10(12 votes)

    #1 - Chapter One: Spirit Week

    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

    Be the first to start the conversation for this episode

  2. Pretty Little Liars: Original Sin Season 2 Episode 1 - Chapter Eleven: Spookyspaghetti.com
    5.8/10(6 votes)

    #2 - Chapter Eleven: Spookyspaghetti.com

    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

    Be the first to start the conversation for this episode

  3. Pretty Little Liars: Original Sin Season 2 Episode 4 - Chapter Fourteen: When a Stranger Calls Back
    5.5/10(6 votes)

    #3 - Chapter Fourteen: When a Stranger Calls Back

    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

    Be the first to start the conversation for this episode

  4. Pretty Little Liars: Original Sin Season 1 Episode 8 - Chapter Eight: Bad Blood
    5.3/10(6 votes)

    #4 - Chapter Eight: Bad Blood

    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

    Be the first to start the conversation for this episode

  5. Pretty Little Liars: Original Sin Season 1 Episode 9 - Chapter Nine: Dead and Buried
    5.3/10(6 votes)

    #5 - Chapter Nine: Dead and Buried

    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

    Be the first to start the conversation for this episode

  6. Pretty Little Liars: Original Sin Season 1 Episode 3 - Chapter Three: Aftermath
    5.2/10(6 votes)

    #6 - Chapter Three: Aftermath

    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

    Be the first to start the conversation for this episode

    7. Trending NowTRENDING NOW

    The 20 WORST Episodes of Pretty Little Liars: Original Sin

    READ
  7. Pretty Little Liars: Original Sin Season 1 Episode 10 - Chapter Ten: Final Girls
    5.2/10(6 votes)

    #7 - Chapter Ten: Final Girls

    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

    Be the first to start the conversation for this episode

  8. Pretty Little Liars: Original Sin Season 2 Episode 3 - Chapter Thirteen: Sweet Sixteen
    5.2/10(6 votes)

    #8 - Chapter Thirteen: Sweet Sixteen

    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

    Be the first to start the conversation for this episode

  9. Pretty Little Liars: Original Sin Season 1 Episode 5 - Chapter Five: The Night He Came Home
    5.0/10(5 votes)

    #9 - Chapter Five: The Night He Came Home

    S1:E5

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

    Director:Unknown
    Writers:Alexis Scheer, Katie Avery

    Be the first to start the conversation for this episode

  10. Pretty Little Liars: Original Sin Season 1 Episode 2 - Chapter Two: The Spirit Queen
    4.8/10(6 votes)

    #10 - Chapter Two: The Spirit Queen

    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

    Be the first to start the conversation for this episode

  11. Pretty Little Liars: Original Sin Season 1 Episode 4 - Chapter Four: The (Fe)male Gaze
    4.4/10(5 votes)

    #11 - Chapter Four: The (Fe)male Gaze

    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

    Be the first to start the conversation for this episode

  12. Pretty Little Liars: Original Sin Season 1 Episode 6 - Chapter Six: Scars
    4.4/10(5 votes)

    #12 - Chapter Six: Scars

    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

    Be the first to start the conversation for this episode

  13. Pretty Little Liars: Original Sin Season 1 Episode 7 - Chapter Seven: Carnival of Souls
    4.4/10(5 votes)

    #13 - Chapter Seven: Carnival of Souls

    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

    Be the first to start the conversation for this episode

  14. Pretty Little Liars: Original Sin Season 2 Episode 7 - Chapter Seventeen: The Bogeyman
    4.0/10(4 votes)

    #14 - Chapter Seventeen: The Bogeyman

    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

    Be the first to start the conversation for this episode

  15. Pretty Little Liars: Original Sin Season 2 Episode 2 - Chapter Twelve: Summer Lovin
    3.8/10(5 votes)

    #15 - Chapter Twelve: Summer Lovin

    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

    Be the first to start the conversation for this episode

  16. Pretty Little Liars: Original Sin Season 2 Episode 5 - Chapter Fifteen: Friday the 13th
    3.0/10(4 votes)

    #16 - Chapter Fifteen: Friday the 13th

    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

    Be the first to start the conversation for this episode

  17. Pretty Little Liars: Original Sin Season 2 Episode 6 - Chapter Sixteen: Hell House
    3.0/10(4 votes)

    #17 - Chapter Sixteen: Hell House

    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

    Be the first to start the conversation for this episode

  18. Pretty Little Liars: Original Sin Season 2 Episode 8 - Chapter Eighteen: Final Exam
    3.0/10(4 votes)

    #18 - Chapter Eighteen: Final Exam

    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

    Be the first to start the conversation for this episode

Best Episodes Summary

"Chapter One: Spirit Week" is the best rated episode of "Pretty Little Liars: Original Sin". It scored 6/10 based on 12 votes. Directed by Lisa Soper and written by Lindsay Calhoon Bring, Roberto Aguirre-Sacasa, it aired on 7/28/2022. This episode scored 0.2 points higher than the second highest rated, "Chapter Eleven: Spookyspaghetti.com".