TV series
It's gonna be a killer summer.
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.
Streaming, rental and purchase options
Checked Jul 22, 2026
Pretty Little Liars: Original Sin is available to stream on HBO (Via Hulu), HBO Max, Max (Via Amazon Prime), and YouTube TV in United States. You can also buy it from Amazon, Apple TV, and Fandango at Home. Use the direct links below to open the provider.
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.
Choose an episode, then use the watch options above for the show.
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.
Directed by Lisa SoperWritten by Lindsay Calhoon Bring, Roberto Aguirre-SacasaGuest stars Sharon Leal, Lea Salonga, Kate Jennings Grant, Carly Pope, Robert Stanton, Lilla Crawford, Derek Klena, Gabriella Pizzolo
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.
Directed by Lisa SoperWritten by Lindsay Calhoon Bring, Roberto Aguirre-SacasaGuest stars Lea Salonga, Ben Cook, Eric Johnson, Brian Altemus
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.
Directed by Maggie KileyWritten by Michael Grassi, Evelyn YvesGuest stars Lea Salonga, Eric Johnson, Brian Altemus
Episode 4
After their punishment comes to an end, the girls cement their friendship when Imogen needs them most.
Written by Eleanor Jean, Jenina KibukaGuest stars Ben Cook, Eric Johnson, Brian Altemus
Episode 5
Desperate to keep her mother’s house, Imogen throws a Halloween party to raise cash.
Written by Alexis Scheer, Katie AveryGuest stars Lea Salonga, Ben Cook, Brian Altemus
Episode 6
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.
Directed by Cierra GlaudeWritten by Pamela Garcia Rooney, Danielle ImanGuest stars Eric Johnson, Blake Merriman
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.
Directed by Alex PillaiWritten by Daniel G. King, Neil McNeilGuest stars Lea Salonga, Andrew R. Shaw, Eric Johnson
Episode 8
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.
Directed by Megan GriffithsWritten by Michael Grassi, Stasia DemickGuest stars Lea Salonga, Travis Patton, Eric Johnson, Alison Chase
Episode 9
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.
Directed by Roxanne BenjaminWritten by Lindsay Calhoon Bring, Roberto Aguirre-SacasaGuest stars Lea Salonga, Eric Johnson
Episode 10
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.
Written by Lindsay Calhoon Bring, Roberto Aguirre-Sacasa, Michael GrassiGuest stars Lea Salonga, Eric Johnson
Episode information updated Jul 23, 2026
Bailee MadisonImogen Adams
Chandler KinneyTabitha 'Tabby' Haworthe
Maia ReficcoNoa Olivar
ZariaFaran Bryant
Malia PylesMinnie 'Mouse' Honrada
Mallory BechtelKaren / Kelly Beasley
Jordan GonzalezAsh Romero
Alex AionoShawn Noble
HBO Max
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Alloy EntertainmentUnited States
Warner Bros. TelevisionUnited StatesMore shows like Pretty Little Liars: Original Sin.
