Pretty Little Liars is a teen mystery drama TV series based on the novels by Sara Shepard. The original series premiered on Freeform on June 8, 2010, and ended in 2017 after seven seasons. It focused on a group of high school girls who receive ominous messages from a mysterious figure known as "A" following the disappearance of their friend. The original Pretty Little Liars cast included Troian Bellisario, Ashley Benson, Lucy Hale, Shay Mitchell, Sasha Pieterse, and Janel Parrish. The spinoff series Ravenswood and Pretty Little Liars: The Perfectionists followed, but both were canceled after one season. HBO Max debuted a new spinoff, Pretty Little Liars: Original Sin, in 2022. The second season will be titled Pretty Little Liars: Summer School.ncG1vNJzZmivp6x7pLTEmqusoJWawW%2BvzqZmrZmXZL2zsdOtsGakmanBrbGMpaCaqqNk