Pretty Little Liars: Original Sin

• Genre: Slasher, Mystery, Teen drama, Thriller
• Created by Roberto Aguirre-Sacasa & Lindsay Calhoon Bring
• Based on Pretty Little Liars by Sara Shepard
• Showrunner Roberto Aguirre-Sacasa
• Creative director Neil Patel
• Starring Bailee Madison, Chandler Kinney, Zaria, Malia Pyles, Maia Reficco, Mallory Bechtel, Sharon Leal, Elena Goode, Eric Johnson, Alex Aiono, Lea Salonga, Jordan Gonzalez, Elias Kacavas
• Music by Joseph Bishara, Ronit Kirchman
• Opening theme "Secret" by the Pierces (season 1), Transviolet (season 2)
• No. of seasons 2
• No. of episodes 18
• Executive producers: Marlene King, Gina Girolamo, Leslie Morgenstein, Caroline Baron, Michael Grassi, Roberto Aguirre-Sacasa, Lindsay Calhoon Bring
• Producers: Jimmy Gibbons, Jenina Kibuka, Amy Myrold, Sean Fogel
• Cinematography: Joe Collins, Anka Malatynska, Teodoro Maniaci, Stanley Fernandez, Carmen Cabana
• Editors: Elizabeth Czyzewski, Joseph Hatton, Leigh Dodson, Andrew Kasch, Amy Stuvland Parks
• Running time: 47–53 minutes
• Production companies: Muckle Man Productions, Alloy Entertainment, Warner Bros. Television
• Network: HBO Max
• Release: July 28 – August 18, 2022
• Network: Max
• Release: May 9 – June 20, 2024

Five teenage girls living in Millwood, Pennsylvania, come together after receiving cryptic messages from a mysterious person calling themselves "A", who holds their mothers responsible for a series of events that resulted in a classmate's death on New Year's Eve 1999. Things took a dark, twisted, brutal turn, when Imogen finds her own mother dead in the bath, with blood. And a red note saying "A" with capital letters.

SEASON 1 | SEASON 2