Pretty Little Liars: Original Sin

10 Worst Episodes 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.

Written by Sophie and last updated on feb 06, 2023.

PS: The following content contains spoilers!

PPS: I will admit that parts of this page was written with the help of AI - it makes my work so much easier to not start from a blank page!

Pretty Little Liars: Original Sin - S2E4

#10 - Chapter Fourteen: When a Stranger Calls Back (Season 2 - Episode 4)

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.

The episode was rated 7.51 from 47 votes.

Pretty Little Liars: Original Sin - S2E6

#9 - Chapter Sixteen: Hell House (Season 2 - Episode 6)


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.

The episode was rated 7.49 from 45 votes.

Pretty Little Liars: Original Sin - S1E2

#8 - Chapter Two: The Spirit Queen (Season 1 - Episode 2)

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.

The episode was rated 7.47 from 192 votes.

Pretty Little Liars: Original Sin - S1E7

#7 - Chapter Seven: Carnival of Souls (Season 1 - Episode 7)


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.

The episode was rated 7.45 from 157 votes.

Pretty Little Liars: Original Sin - S1E5

#6 - Chapter Five: The Night He Came Home (Season 1 - Episode 5)

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

The episode was rated 7.41 from 163 votes.

Pretty Little Liars: Original Sin - S2E7

#5 - Chapter Seventeen: The Bogeyman (Season 2 - Episode 7)


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.

The episode was rated 7.36 from 44 votes.

Pretty Little Liars: Original Sin - S1E3

#4 - Chapter Three: Aftermath (Season 1 - Episode 3)

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.

The episode was rated 7.34 from 169 votes.

Pretty Little Liars: Original Sin - S2E1

#3 - Chapter Eleven: (Season 2 - Episode 1)


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.

The episode was rated 7.28 from 58 votes.

Pretty Little Liars: Original Sin - S2E8

#2 - Chapter Eighteen: Final Exam (Season 2 - Episode 8)

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.

The episode was rated 7.27 from 33 votes.

Pretty Little Liars: Original Sin - S1E1

#1 - Chapter One: Spirit Week (Season 1 - Episode 1)


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.

The episode was rated 7.18 from 240 votes.

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