query: When did the Pretty Little Liars TV series first air?
passage: Pretty Little Liars
The series premiered on June 8, 2010 on Freeform, formerly known as ABC Family, and ended on June 27, 2017. After an initial order of 10 episodes, ABC Family ordered an additional 12 episodes on June 28, 2010. The ratings success of the first 10 episodes prompted the book series to be extended beyond the initial eight novels.[1] Since its debut, the series has received mixed reviews from television critics, but remained a relative success for Freeform, garnering a large fandom, primarily on social media.
passage: Free Fall (Pretty Little Liars)
"Free Fall" is the twentieth episode of the fourth season of "Pretty Little Liars", an American mystery drama television series based on the novel series written by Sara Shepard, and is the ninety-first episode of the series. The episode, directed by Melanie Mayron and written by Maya Goldsmith, originally aired on February 18, 2014 on ABC Family.