The homecoming decorating committee is knee-deep in balloons, and girls are jockeying for position to be the queen, while four friends from Rosewood just try to stay afloat.

In the aftermath of the disastrous homecoming dance, the girls try to sort out the devastation that is left behind. If the little liars don't act fast, the situation could go from bad to worse.

After much planning, the day of Alison's memorial is around the corner, and the girls are ready to say their goodbyes. But their last-minute preparations soon get derailed.

A day of SAT testing is put on hold when a violent storm hits Rosewood, but the girls are stuck inside the school dealing with the drama that follows them everywhere.

Moments after Hanna is hit by a car, the girls' world is turned upside down. 'A' is no longer content to play a game of cat and mouse, and things take a far more precarious turn.

Hanna's return home from the hospital should be a joyous event, but being stuck in a wheelchair and feeling haunted by 'A' makes it feel more like a Hitchcock nightmare than a proper homecoming.

As the school gets ready for the dance-a-thon, Aria, Emily, Hanna and Spencer have more on their minds than just raising money for the school trip to Washington DC.

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.

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.

Hanna helping Lucas requires Caleb’s aid, while tailing Melissa has an unexpected outcome.

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

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

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

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

Hanna fears a vengeful visitor, Aria arranges to encounter Ezra, Spencer turns investigator, and Emily worries a renewed relationship is under threat.

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

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

Spencer asks questions, but stumbles upon a larger secret, while Aria agrees to be Jenna's accompanist.

Jenna throws a party to die for and the Liars are suspicious when Garrett is let out of prison to visit his mother.

Right after The Lady Killer, The camera is seen in the Halloween store. Looking at all the masks. The phone rings and we hear Shana's voice telling the caller she'll get back to them. Then "A"'s voice is heard calling for a costume order but before A says who they are the call ends.

Jason meets CeCe

Someone gets a very mysterious voicemail

You'll learn more about Rosewood's newest resident and watch a very tense face-off!

Lucas has a mysterious run-in with a very familiar face -- and he has something in common with the new girl in town.

A mystery lurks around a new girl and her phone

The lights go out in the Halloween store

"A" looks at a train map...

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

To the girls' dismay, Mona is headed back to Rosewood High. Aria, Emily, Hanna and Spencer take very different views of the "new" Mona.

A battle of the brains stresses Spencer, Aria learns of reasons to suspect her father of foul play, Hanna confronts Lucas, and Emily gets a fright in the woods.

Featuring new voice over from the all-seeing Mona, this special will recap the Liars history with “A” from the very first text message, to the most recent spotting of Red Coat.

Aria watches over Ezra at the hospital, while Alison and the others set a trap for "A."

Alison attempts to regain her position as leader of the gang upon her return to Rosewood High.

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

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

A Halloween-themed ode to viewers features interviews with cast and crew, fan questions and visits from dearly departed characters.

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.

A glimpse at what everyone’s favorite characters have been up to inside and outside of Rosewood over the past five years. The episode will feature never-before-seen scenes, backstage tours of brand new PLL sets, interviews with the cast and crew surrounding the highly anticipated time jump, including the style evolution of the Liars, and more.

Aria, Emily, Hanna and Spencer find themselves back in familiar territory with the Rosewood P.D. knocking at their doors looking for answers and their actions now affecting the loved ones around them. With her mother's job on the line, Hanna tries to come up with an alibi that could save all four of them with the help of her old high school friend, Lucas.

Meanwhile, Emily comes clean about the last five years, and Aria goes the extra mile to keep Ezra's second book in play with her boss.

After Alison is confronted with a sudden, mysterious jeopardy, the Liars decide to take things into their own hands for a counterattack. Hanna and Caleb work together to develop a plan to come face-to-face with the tormentor. Emily and Spencer team up to investigate if Mona had any involvement with the murder. Aria and Ezra continue to work on the book though it might be more difficult than anticipated.

Meanwhile, Ali encounters an unexpected visitor.

With the fallout of Hanna’s abduction still weighing heavily on the PLLs, the Liars begin to grow suspicious of Elliott Rollins as Ali’s condition worsens. Tensions rise between Liam, Aria and Ezra as they work on the book together. Spencer and Caleb are on edge, as neither of them want to talk about the awkward elephant in the room.

Meanwhile, Emily receives a disturbing phone call and tries to find a way to see Ali.

Hanna is sure Jenna is to blame for a recent professional setback and is forced to bring Caleb up to speed on current events. Aria and Emily team up to investigate Sydney for more information about Jenna and her connection to A.D. Spencer grows closer to Detective Furey, while Aria struggles with her current situation with Ezra. Hanna’s turn at the game is more intense than she bargained for and leads to shocking consequences.

As Detective Furey closes in on uncovering what happened to Archer Dunhill, the Liars team up to protect one of their own. Hanna continues to struggle with the idea that Lucas might be connected to A.D. even in the face of more evidence. Emily surprises Ali with a heartfelt gesture that is undone by A.D. machinations; and the Liars gain insight into where the idea for the game originated.

Cast members Troian Bellisario, Ashley Benson, Lucy Hale, Shay Mitchell and Sasha Pieterse join series showrunner I. Marlene King for a revealing discussion of tightly held secrets, behind-the-scenes insights and memorable moments.

All is revealed as the ultimate endgame comes to light.