Pretty Little Liars: Original Sin
Pretty Little Liars: Original Sin, known as Pretty Little Liars: Summer School for its second season, is an American slasher teen drama mystery television series created by Roberto Aguirre-Sacasa and Lindsay Calhoon Bring for HBO Max. It is the fourth television series in the Pretty Little Liars franchise, which is based on the novel series written by Sara Shepard, and set within the same continuity as the previous series. The series features an ensemble cast, headed by Bailee Madison, Chandler Kinney, Zaria, Malia Pyles, and Maia Reficco.
| Pretty Little Liars: Original Sin | |
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| Also known as | Pretty Little Liars: Summer School (season 2) |
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| Created by | Roberto Aguirre-Sacasa & Lindsay Calhoon Bring |
| Based on | Pretty Little Liars by Sara Shepard |
| Creative director | Neil Patel |
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| Music by | Joseph Bishara |
| Opening theme | "Secret" by the Pierces |
| Country of origin | United States |
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| No. of seasons | 1 |
| No. of episodes | 10 |
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| Running time | 47–53 minutes |
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| Release | July 28, 2022 – present |
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| Pretty Little Liars franchise | |
Warner Bros. announced the series's development with Aguirre-Sacasa as showrunner in September 2020. It was given a straight-to-series order by HBO Max at the end of the same month. Filming took place in New York during the COVID-19 pandemic. It is the first series in the franchise not to be broadcast on ABC Family/Freeform and to be carried on a streaming television service.
Pretty Little Liars: Original Sin premiered on July 28, 2022. In September 2022, the series was renewed for a second season, retitled as Pretty Little Liars: Summer School.