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
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.
Directed by Maggie KileyWritten by Lindsay Calhoon Bring, Roberto Aguirre-SacasaGuest stars Lea Salonga
Episode 2
Heeding Dr. Sullivan's advice, the PLLs make the most of their summers. Meanwhile, Imogen forges a new identity away from her closest friends.
Directed by Maggie KileyWritten by Michael GrassiGuest stars Lea Salonga
Episode 3
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.
Directed by Roxanne BenjaminWritten by Sara Saedi
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.
Directed by Roxanne BenjaminWritten by Danielle Iman
Episode 5
A disturbing discovery causes the PLLs to doubt Dr. Sullivan. Meanwhile, during Tabby's movie marathon, Noa is forced to make a brutal decision.
Directed by Alex PillaiWritten by Katie Avery
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.
Directed by Alex PillaiWritten by Delondra Williams
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.
Directed by Rob SeidenglanzWritten by Jenina KibukaGuest stars Ben Ubiñas
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.
Directed by Rob SeidenglanzWritten by Lindsay Calhoon Bring, Roberto Aguirre-Sacasa
Episode information updated Jul 22, 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
Max
Alloy EntertainmentUnited States
Warner Bros. TelevisionUnited StatesMore shows like Pretty Little Liars: Original Sin.
