Aria searches for information on a patient; Spencer borrows Ezra’s spy equipment.

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…

Hanna is pushed down a dark path after Alison moves in; Aria fails in her duties as maid of honor.

With Spencer’s possible revelation about Board Shorts, she is now more determined than ever to prove her theory before bringing it to the other girls’ attention.

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

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.

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

Emily, Spencer and Hanna try to adjust to the new normal; Kenneth searches for Jessica.

Alison struggles with the death of her mother, as the Liars try to navigate through her new lie.

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

Armed with the knowledge that Alison is alive, Aria, Emily, Hanna and Spencer now have more questions than ever before.

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

Now that Hanna has shared with Aria, Emily and Spencer that she has Ali’s diary, the girls hope it can shed light on their many questions.

The girls look out for Alison’s safety after she is spooked by a recent Rosewood “accident.”

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,…

Several futures hang in the balance as the inmates face and confront their worst nightmares: Life will never be the same again.

Piper is shocked at an unexpected change in her status; Soso’s hunger strike attracts new support that takes on a religious fervor.

Tensions run high as a prison power outage forces several issues to come to light. Piper finds herself compromised and is forced to think on her feet.

Love is in the air as the inmates prepare for a Valentine’s Day party; Red makes an intriguing new discovery. Larry asks Piper to be his prison mole.

Piper starts a prison newsletter with the help of Healy and a few other inmates; Vee launches an entrepreneurial enterprise.

Piper faces a new backlash over special privileges; Caputo feels pressure to toughen up, resulting in administrative changes.

Piper’s relationship with Larry faces a real-world test; Red’s effort to redeem herself is finally rewarded. A familiar figure returns to Litchfield.

The guards get tougher in a bid to turn up prison contraband; a big, lingering secret is finally revealed.

Piper’s world is turned upside down when she is forced to confront the consequences of her actions and face new challenges.

A mock Job Fair provides Taystee with a chance to show off her business smarts; Red feels isolated from her prison family.

Piper is challenged by her Soso experience; Morello gets her heart broken; a figure from Taystee’s past arrives to disturb the status quo.

Sophia gives the women a much-needed lesson in female anatomy; Morello takes a detour; Larry makes some life changes.

A bathroom turf war sees deeper lines drawn in the sand as Gloria and Vee go head to head. Piper receives devastating news.

A new player in the clone conspiracy turns up at Felix’s door, sending him into crisis mode. With Cosima running out of options, Sarah struggles with the decision to surrender…

Cosima takes a turn for the worse, forcing Sarah to take desperate action which results in tragic consequences for those she loves. The Proletheans set their ultimate plan in motion,…

The war with Dyad is all but lost when Rachel’s latest ploy forces a broken Sarah to concede. The Clone Club springs into action, uniting in a reckless gambit to…

When a rehab confidante betrays Alison and threatens to expose the truth about Aynsley’s death, she goes into free fall on the eve of Family Day. With Donnie and the…

Sarah is out of options, on the run, and pursued by deadly adversaries. Desperate to find her daughter Kira, Sarah suspects ruthless pro-clone Rachel is behind her daughter’s disappearance and…

While Alison struggles with Aynsley’s death and Cosima grapples with the worsening symptoms of her mysterious sickness, Sarah enlists Art’s help to find Kira and is shocked when she learns…

After hitting the road with Felix, Sarah is forced to turn to a ghost from her past – an old flame named Cal Morrison. When their brief respite is brutally…

Sarah comes home looking for answers, and with the help of Cosima, they begin digging into the origins of the clone experiment. The hunt for answers takes her right into…

Rachel goes on the warpath, lashing out at Sarah’s nearest and dearest. While she tries to keep her loved ones safe, an unexpected visitor threatens to derail Sarah’s plans.

Sarah joins forces with an unlikely and untrustworthy ally, following a trail of clues that she hopes will lead her to the origins of the clone experiment. Cosima and Delphine…

In an effort to track down Sam’s captor, Vincent and Cat have to work together on Valentine’s Day, which forces Cat to evaluate whether she wants to be in a…

When some of Gabe’s acquaintances go missing, Cat and Vincent must come together to save them. Vincent ends up returning to the hospital where he was an intern, allowing him…