Radley Sanitarium gives Mona a clean bill of health, and she heads back to Rosewood High, much to the liars' dismay. ...

Trick or treat? The Rosewood Halloween Ghost Train becomes one killer party in this special Halloween-themed episode. Plus, Adam Lambert performs. ...

Emily is caught in the crossfire as Maya's murderer is revealed; The liars are betrayed by someone close to them. ...

Spencer learns about Paige's shocking past with Ali, but will Emily listen to what her friends have to say?; Aria feels she has to help Ezra move on from his past. ...

The liars follow a lead about where Maya might have been before her murder; Aria must deal with the aftermath of meeting Ezra's mom. ...

Aria and Spencer may engage in a heated game of Truth to get some answers from Jenna - but are they willing to give up some of their truths? ...

Trying to explain the drugged flask to Paige leads Emily to more insights about that night; Spencer asks Caleb for help; Aria learns about Ezra's past. ...

With new key evidence in Alison's murder case, Hanna fears that A may be framing her after a visit from Det. Wilden; Aria decides that she has to turn to Mona for answers ...

A new clue could lead the girls down the wrong path. Emily gets another flashback from that night, leading to a surprising suspect, and Aria questions Ezra's new influx o ...

Aria, Emily, Hanna and Spencer think Jenna's birthday party could be the perfect setting for A to strike - and for them to catch their tormentor. ...

Hanna and Mona's visits cause tension with Caleb; Emily finds solace after meeting Maya's cousin; Spencer must know the truth about Melissa. ...

When Spencer questions her mother taking on Garrett's case, she stumbles upon a larger secret; Aria agrees to be Jenna's accompanist. ...

One of Aria's past indiscretions is fodder for a new A. A still-shaky Emily tries to focus on school, but could be derailed when she remembers a crucial piece from that n ...

As the second anniversary of Alison's disappearance nears, Aria, Emily, Hanna and Spencer are thrown back into turmoil after a shocking night. ...

The liars finally come face-to-face with their tormentor; Rosewood's Junior League Masquerade Gala is the perfect setting for A's next game of cat and mouse with their fa ...

The hunt for answers about what Ali knew leads Aria, Emily, Hanna and Spencer to a rundown doll hospital that holds more than just secrets. ...

The liars are on the quest for answers of what Alison knew before she died; Jason drops off a bag of Alison's personal items that could be more than just a bag of junk; T ...

With fathers looking to make amends and daughters trying to keep the peace, Rosewood's annual Father-Daughter Dance looks to be anything but fun; Ashley continues her hun ...

A surprising new victim of A is revealed; Spencer runs from her family troubles right into Wren's arms; Ezra's new opportunity could push him away from Aria. Written by A ...

Hanna's worst nightmare comes to fruition when Caleb becomes a target of A and his computer is in possession of the cops; Aria learns what Holden's been keeping a secret. ...

Aria continues to question Holden on what exactly he is up to during their date nights; Hanna tries to figure out the latest situation with Kate; Emily gets help from an ...

After speaking to her friends about Caleb, Hanna feels they are giving her the cold shoulder; Emily hopes to re-introduce Maya to her mother. ...

Toby continues to pursue Spencer, knowing that she is keeping something from him; Hanna begs the other girls to stop using Caleb to help with their search; Aria is desper ...

With Lucas missing and questions surrounding what happened out on the lake, Hanna can barely catch her breath; Spencer follows a lead about A which guides her to an unexp ...

The liars, realizing that A is not acting alone and their helper may be closer than they think, decide to enlist Caleb's hacking skills. ...

A month has passed since the liars were arrested and they're at each others' throats and Emily has been iced out completely. But what could have divided them so severely, ...

It's the Halloween before Alison went missing and the friends hope to score an invite to Noel's Halloween party; Jenna challenges Ali for Queen Bee dominance; Aria learns ...

All is not what it seems as A sends the girls on a hunt to destroy lives. Can the liars go through with their given tasks in order to save one, or will they ignore A to s ...

The liars finally reveal the torment A has put them through to the one person they trust outside their group, Dr. Anne Sullivan, but could she be next on A's target list? ...

Aria tries to process Spencer and Emily's news about Jason while dealing with her feelings for him; Hanna tries to be nice to her future stepsister Kate; 'A' turns up the ...

Spencer is determined to find out what Jason is hiding at his house; Aria can't seem to get Jason off her mind for a different reason; Hanna helps Caleb with a difficult ...

When Emily's dad surprises her before a big swim meet, the pressure sends her to the hospital; Spencer and Aria use the opportunity to dig for clues about Alison's death. ...