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 Episode05x12 Taking This One to the Grave Aired: Aug. 26, 2014
With Alison leading them down a dangerous path and “A” barring them from telling the police the truth, Aria, Emily, Hanna and Spencer feel …
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.
- Sasha Pieterse, who plays Alison DiLaurentis, was only 12 years old when shooting the pilot.
- Alexis Denisof was originally cast as Byron, but before the pilot was replaced by Chad Lowe.