Spencer confronts Caleb regarding Hanna's issues; Aria opens up to Ella and questions her marriage to Zack; Emily and Spencer close in on Noel's motives and a call from detective Tanner has Alison perplexed.

All eyes are on Alison as she struggles with her response to Cyrus' confession. Melissa hints at knowing the truth and warns Spencer to keep away from Ali. Aria mulls over Spencer's plan of letting everything out in the open with Tanner.

Emily is on the hunt to find out the truth about Alison, seeking unlikely help from Ezra Fitz for information about Cyrus and Alison's connection. Meanwhile Melissa's secret is finally revealed, Hanna asks for Spencer's and Toby's help with Caleb and his drinking problem.

The girls join forces with Mona to figure out why Ali reached out to the police. Alison's actions put Spencer in the cross-hairs of Bethany's murder investigation. Mona reveals the truth about Ali, resulting in an aching loss.

A special Halloween themed fan special, for the first time in PLL history. The cast answer all of the fans questions, giving you hints about A and the rest of Rosewood.

It is Christmas time and all of the liars are planning on having a great time at the Ice ball, but 'A' has other plans.

The liars get trapped in an abandoned house with A on their trails they struggle to get out. Meanwhile Toby, Spencer, and Caleb try to find out who killed Mona.

Now that Alison is in jail, the 4 liars are A's victims. The liars are now scared more than ever.

A search for Mona's laptop is underway, and it may lead to Spencer and Caleb to break Toby's rules. Meanwhile, Aria gets sidetracked when she's about to come clean to Ezra; and Hanna and tries to keep her mom's secret when Pastor Ted returns.