is the third episode of the first season of Pretty Little Liars , which originally aired on June 22, 2010 . The title is a play on the classic novel To Kill a Mockingbird , and the episode focuses on the girls attempting to honour Alison's memory while facing increasing pressure from "A". Key Episode Moments
: Hanna struggles with her boyfriend Sean, who rejects her advances, leading her to steal his car for a joy ride. [S1E3] To Kill a Mocking Girl
: The episode ends with a gloved hand pinning up a copy of a photo of Emily and Maya kissing, revealing that "A" has hundreds of copies. Themes & Parallels is the third episode of the first season
: Detective Wilden hones in on Hanna, questioning her about her past and suggesting she may have been jealous of Alison. : The episode ends with a gloved hand
: Much like Atticus Finch’s lesson in the novel To Kill a Mockingbird —that you never really understand a person until you "climb into their skin and walk around in it"—the girls are forced to reconsider their past with Alison and the secrets they are keeping.
: The girls plan a memorial for Alison, but "A" continues to haunt them, even leaving Alison’s friendship bracelet in the woods for them to find.
: The episode explores the social dynamics of Rosewood High, paralleling the rigid social structures described in the novel. Episode Information Information Season/Episode Season 1, Episode 3 Original Air Date June 22, 2010 Director Elodie Keene Writers Oliver Goldstick & Maya Goldsmith Main Cast Troian Bellisario, Ashley Benson, Lucy Hale, Shay Mitchell Guest Appearances - Apple TV