Based on a book, Pretty Little Liars follows four best friends (Spencer, Hanna, Aria & Emily) whose clique falls apart after the disappearance of their queen bee, Alison. Three years later, estranged friends reunite when they begin receiving messages from someone using the name "A" who threatens to expose their secrets - including long-hidden ones they thought only Alison knew.
Last Episode04x24 A is for Answers Aired: Mar. 18, 2014
After years of questions and mystery surrounding the night Alison DiLaurentis disappeared, her four best friends come face to face with Ali and …
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Series Fun Facts
- Jean Louisa Kelly was originally cast as Ella, but before the pilot was replaced by Holly Marie Combs.
- In the book series, Alison's disappearance takes place the summer before the girls went into 8th grade, 3 years prior to the series beginning. In the T.V. show it only takes place 1 year earlier.
- Mona's surname was going to be spelled Vanderwall for the show but was changed back to Vanderwaal.