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.
Series Fun Facts
- Ashley Tisdale was offered an audition but didn't take it, and instead went to an audition for 'Hellcats' and got the role.
- Mona's surname was going to be spelled Vanderwall for the show but was changed back to Vanderwaal.
- Many of the scenes were filmed on the same lot(s) used as the town of Stars Hollow from Gilmore Girls.