The prosecution calls a surprise witness in Alison's trial; the girls hunt for last-minute evidence.

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.

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

As the town becomes a media circus in the run-up to the new trial, the girls are betrayed by someone close to them.

Unexpected Halloween party guests pop up at every turn and The Rosewood Halloween Ghost Train becomes one killer party.

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 feel trapped and search desperately for a way out of a bad situation.

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

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

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

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

Hanna's interest in crime novels helps her to come up with a plan to figure out whose body is in Ali's grave. Spencer is working overtime to decipher the stories in Ali's diary.

The fractured foursome endure their legal punishment plus the pain of shunning loved ones. But changes are coming.

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

This special black-and-white episode gives a nod to 1940s-era film noir as Spencer's numerous sleepless nights with the help of prescription pills start to take a toll on her.

Testimony at Alison's trial reveals a plethora of lies; Spencer, Aria, Emily, and Caleb follow a string of clues in hope of uncovering information that will clear Hanna.

Rosewood's Founders Festival sets the stage for more secrets. Everyone has something to hide - whether it is a secret romance, or revealing a true identity and true intentions.

Some secrets of Mona’s asylum stay come to light, a corpse must be faced, and a lost child tracked down.

Shana tells Emily that she has a message from Ali, but can Emily and the girls trust Shana? Shana ups the stakes and says that Ali wants to meet Emily, but only Emily.

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?

Hanna unwillingly allows Caleb’s involvement, while a crisis helpline call alerts Emily to a new suspect, and a birthday surprise goes badly.

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

Caleb’s laptop leads to trouble, Aria learns what Holden has held back, and a man who had information for Alison demands money.

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