Based on the Pretty Little Liars series of young adult novels by Sara Shepard, the series follows the lives of four girls — Spencer, Hanna, Aria, and Emily — whose clique falls apart after the disappearance of their queen bee, Alison. One year later, 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.
Air date: 2012-06-05
Runtime: 42 min
Overview: Approaching the second anniversary of Alison's disappearance, a shocking event rocks Rosewood.
Air date: 2012-06-12
Runtime: 42 min
Overview: One of Aria's past indiscretions is fodder for a new "A." and Emily recalls a crucial event from the night she lost her memory.
Air date: 2012-06-19
Runtime: 42 min
Overview: Spencer asks questions, but stumbles upon a larger secret, while Aria agrees to be Jenna's accompanist.
Air date: 2012-06-26
Runtime: 42 min
Overview: Visiting Mona is driving a wedge between Hanna and Caleb and Hanna is forced to weigh up how honest to be with him.
Air date: 2012-07-10
Runtime: 42 min
Overview: Jenna throws a party to die for and the Liars are suspicious when Garrett is let out of prison to visit his mother.
Air date: 2012-07-17
Runtime: 42 min
Overview: A new clue could lead the girls down the wrong path. Emily remembers something new from the other night but the recollection suggests a very surprising suspect.
Air date: 2012-07-24
Runtime: 42 min
Overview: Hanna is worried that Detective Bryce is trying to frame her and the others turn to a very unlikely person for help.
Air date: 2012-07-31
Runtime: 42 min
Overview: Spencer asks Caleb for help. Aria learns about Ezra's past. Emily is worried about how Paige will be affected by everything "A" has done to her.
Air date: 2012-08-07
Runtime: 42 min
Overview: After Spencer turns in desperation to Cece for help with her college application, she and Aria may find some answers at the Kahn brothers' party.
Air date: 2012-08-14
Runtime: 42 min
Overview: A cabin may hold the key to Maya's secrets so Hanna and Emily do some snooping.
Air date: 2012-08-21
Runtime: 42 min
Overview: Paige's past comes back to haunt Emily. Aria gets a surprise from Ezra's past.
Air date: 2012-08-28
Runtime: 42 min
Overview: As the town becomes a media circus in the run-up to the new trial, the girls are betrayed by someone close to them.
Air date: 2012-10-23
Runtime: 42 min
Overview: Unexpected Halloween party guests pop up at every turn and The Rosewood Halloween Ghost Train becomes one killer party.
Air date: 2013-01-08
Runtime: 42 min
Overview: To the girls' dismay, Mona is headed back to Rosewood High. Aria, Emily, Hanna and Spencer take very different views of the "new" Mona.
Air date: 2013-01-15
Runtime: 42 min
Overview: A battle of the brains stresses Spencer, Aria learns of reasons to suspect her father of foul play, Hanna confronts Lucas, and Emily gets a fright in the woods.
Air date: 2013-01-22
Runtime: 42 min
Overview: Ailing Aria has reason to be afraid, while Spencer’s romantic gesture results in an unpleasant surprise.
Air date: 2013-01-29
Runtime: 42 min
Overview: Distracted Spencer’s anger is let-loose on Ezra, hurting Aria. Emily and Hanna each end up at the police station.
Air date: 2013-02-05
Runtime: 42 min
Overview: Emily’s memories get muddled in therapy, Caleb’s boyhood things intrigue Hanna, Ezra’s brother brings trouble, and Spencer gets bitter.
Air date: 2013-02-12
Runtime: 42 min
Overview: Spencer’s misbehaviour causes concern, Hanna engineers an encounter Caleb is resisting, Emily’s detective work turns dangerous.
Air date: 2013-02-19
Runtime: 42 min
Overview: Det. Wilden seeks to silence those who know his secret, the heat is on for Spencer after reengaging with Wren, and Ezra’s mother tries a new angle of attack.
Air date: 2013-02-26
Runtime: 42 min
Overview: Death stalks someone close to Spencer, while Hanna has evidence to ditch, and Aria finds baby-sitting awkward.
Air date: 2013-03-05
Runtime: 42 min
Overview: Spencer’s mental state deteriorates while her friends fret. A reappearance proves miraculous and ominous.
Air date: 2013-03-12
Runtime: 42 min
Overview: Some secrets of Mona’s asylum stay come to light, a corpse must be faced, and a lost child tracked down.
Air date: 2013-03-19
Runtime: 41 min
Overview: A turncoat’s betrayal is nothing compared to the deadly trap the liars are lured into hoping to see the face of their nemesis.
