The girls are not feeling merry at Christmas because Spencer’s murder charge looms over them. Things improve though after they see an opportunity to gather evidence to clear her name.

After years of questions and mystery surrounding the night Alison DiLaurentis disappeared, The Liars finally learn what really happened to her that September night.

Paige throws Emily a surprise birthday party with even more surprising guests – Jenna and Shana. But it’s the actions of “A” at the party that lead to the biggest…

Alison returns to Rosewood High and attempts to repair the damage she inflicted years earlier.

Hanna’s drinking gets out of control; Emily looks for information linking Alison to Noel.

The girls are reunited when they each begin receiving threatening messages from someone named “A,” suggesting Alison is actually alive – and watching them.

The girls are not feeling merry at Christmas because Spencer’s murder charge looms over them. Things improve though after they see an opportunity to gather evidence to clear her name.

Hanna’s drinking gets out of control; Emily looks for information linking Alison to Noel.

After years of questions and mystery surrounding the night Alison DiLaurentis disappeared, The Liars finally learn what really happened to her that September night.

Alison returns to Rosewood High and attempts to repair the damage she inflicted years earlier.

The girls are reunited when they each begin receiving threatening messages from someone named “A,” suggesting Alison is actually alive – and watching them.

Paige throws Emily a surprise birthday party with even more surprising guests – Jenna and Shana. But it’s the actions of “A” at the party that lead to the biggest…

Hanna’s drinking gets out of control; Emily looks for information linking Alison to Noel.

After years of questions and mystery surrounding the night Alison DiLaurentis disappeared, The Liars finally learn what really happened to her that September night.

The girls are not feeling merry at Christmas because Spencer’s murder charge looms over them. Things improve though after they see an opportunity to gather evidence to clear her name.

Supervised school workshops to foster honesty result in far more disclosures and discoveries outside the classrooms than within.

Paige throws Emily a surprise birthday party with even more surprising guests – Jenna and Shana. But it’s the actions of “A” at the party that lead to the biggest…

Jenna’s return brings conflict, Aria agrees to a risky meeting, while a bag of Alison’s possessions seems like old news.

A creepy ‘hospital’ visited by Alison holds a sinister surprise, while Caleb goes along with a sting unwillingly.

All is revealed as the ultimate endgame comes to light.

An uncomfortable close encounter with their nemesis awaits at least one of the tormented quartet, and a death is promised.

Alison returns to Rosewood High and attempts to repair the damage she inflicted years earlier.

Spencer focuses on learning more about her connection to Mary Drake, while Aria and Ezra figure out what their future may hold now that Nicole is back in the picture….

To protect them, Caleb and Toby are misled by Hanna and Spencer, while Aria goes out with Holden, hoping to see Ezra.

Emily butts heads with teenager Addison, who appears to be a new version of high school Ali, and who may be connected to a familiar foe. Spencer confronts her mother…

In custody after a testing day, three of the girls count the cost of the tasks ‘A’ set them to save a life.

The Rosewood P.D. begins to unravel the Liars’ cover-up, which leads them to question Rollins’ death altogether. Hanna deals with an inward battle on whether or not to tell the…

The Halloween before Alison vanished shows her controlling nature, and reveals other manipulative souls were also active.

Jason returns to town to stop Ali from getting too close to Mary. The girls learn something new about Mary and Mrs. DiLaurentis that leads them to a storm cellar…

The Liars face off with their enemies in a chaotic fight that ends fatally. One of the PLLs learns a secret about her past that changes everything while another Liar…

Emily’s swimming prospects could be sunk, along with Hanna’s hopes for the future, while Spencer and Aria make a gruesome discovery.

Spencer is suspicious of what Jason is hiding in his outhouse, while Caleb learns who is after him.

Aria is warned to be wary of Jason, while over-eager Mona encourages Hanna to try bonding with Kate at a country club.

The PLLs desperately attempt to cover up their secret, and in turn, end up straining their relationships with their respective bed buddies by keeping them in the dark. While the…

The harassed foursome face the fact they need outside help, though some problems stay strictly in the family.

Jenna returns to Rosewood and befriends another one of the Liars’ enemies, making her the PLL’s number one suspect for Uber A. In order to leave the psychiatric hospital, Ali…

The girls are reunited when they each begin receiving threatening messages from someone named “A,” suggesting Alison is actually alive – and watching them.

Disbelieved by police and families, the tormented quartet is sent for therapy. The chance to share at least some of their secrets proves appealing.

While having to stay apart, Hanna turns match-maker, Spencer exploits her sister’s loss, Emily forges a letter, and Aria is upset in pottery.

A turncoat’s betrayal is nothing compared to the deadly trap the liars are lured into hoping to see the face of their nemesis.