The Best Episodes Written By I. marlene King

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

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

The discovery of a new piece of evidence about Alison's disappearance brings the FBI to town, and the last thing the girls want to do is go 'glamping' for a birthday party.

After a shocking revelation from the police, the spotlight is turned on four little liars who look to be crying wolf. But with everything pointing to Ian, how could the girls be wrong?

An intriguing riddle from "A" has the Liars hitting the road and heading to Ravenswood, where they are surrounded by some familiar faces.

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

Ailing Aria has reason to be afraid, while Spencer’s romantic gesture results in an unpleasant surprise.

Shocking secrets come to light for Aria, Emily, Hanna and Spencer as the biggest clue to the "A" mystery is revealed.

In Beacon Heights, a seemingly perfect town, a group of three college friends struggle with the stress of being overachievers. In the aftermath of the town’s first murder, each Perfectionist hides behind a secret, a lie and an alibi.

In the wake of Nolan’s murder, Ava, Caitlin and Dylan join forces to give themselves a credible alibi on the night in question. Alison goes toe to toe with Dana Booker, BHU’s new head of security, who is suspicious of Nolan’s “perfect” posse. And Mona starts slipping into old habits while wrestling with a guilty conscience.

Approaching the second anniversary of Alison's disappearance, a shocking event rocks Rosewood.

Now that Aria, Emily, Hanna and Spencer are in possession of the information that Alison left them, the girls decide that it's time to finally put an end to the mystery surrounding their friend.

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

Aria, Emily, Hanna and Spencer feel trapped and search desperately for a way out of a bad situation.

Relationships are in flux in Rosewood as the girls face many obstacles. As Noel steps up his pursuit of Ezra, Aria and Ezra begin to feel like there may be no way out.

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

Moments after where the season five finale left off, Aria, Emily, Hanna, Spencer and Mona are trapped outside of Charles’ Dollhouse with nowhere to go and must now deal with an angry tormentor. Just when the Liars thought Charles couldn’t get any worse, his games take a more demented and darker turn. As the girls struggle to survive, the puzzle of Charles’ story begins to come together. Meanwhile, Ezra, Caleb and Toby continue the fight to find the girls with or without Rosewood P.D.’s help.

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 discovers something about her future that could alter her course forever.

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

Aria, Emily, Hanna and Spencer crash the Ravenswood Founders Day Celebration after a clue in "A"'s new lair suggests that Ali may indeed be alive.

The circumstances surrounding Alison's disappearance continue to haunt Aria, Emily, Spencer and Hanna as questions arise about the night she went missing.

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

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

All is revealed as the ultimate endgame comes to light.

After opting to stay in Ravenswood to help out new pal Miranda, Caleb begins to rethink his decision, especially after he meets Miranda's cold and unwelcoming uncle Raymond. Caleb also has some unpleasant interactions with local resident Luke, who is struggling to deal with a recent family tragedy and its ensuing scandal, which has also swept up his twin sister Olivia.