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

The Liars try to prove that Alison was involved in Mona’s death; Aria worries about her future.

Spencer and Toby are at odds while Emily and Aria struggle with situations that are out of their control.

Secrets abound for Aria, Hanna and Spencer while Emily tries to let go of Paige.

Hanna refuses to let “A” frame her for Mona’s murder; Spencer’s actions put Toby in a bind.

Mona’s friend comes to town to pay her respects.

Hanna enters a beauty contest and turns to Emily for help; Aria asks Andrew to keep an eye on Mike.

Ali considers a plea deal, but it incriminates someone else, so the girls try to help her and Mike, as well as themselves. Elsewhere, Spencer unwinds while on a night…

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.

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

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.

Caleb and Toby team up to investigate “A” and what really happened the night of the lodge fire and encounter a source that points to a new possible identity for…

Hanna comes up with a plan to save her mother from a conviction and turns to the only person she thinks can help: Mona. Caleb tries to convince Hanna that…

Still living at a motel, Emily is taken aback when Ali’s mother offers to let her move into Ali’s old room and is shocked when the other Liars insist Emily…

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

After uncovering evidence that suggests “A” is hiding out closer than realised, the Liars step up their investigation into their most recent suspect. Hanna continues to crumble.

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

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

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

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.

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

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

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

The Liars try to prevent Alison from sending an innocent man to jail; Hanna seeks a normal life.

Melissa reveals her knowledge of Alison’s disappearance to Spencer; Emily seeks Ezra’s help.

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

Hanna’s attempt to protect her mother gets her into hot water. Hanna has some explaining to do to her parents and the police after she’s found with something she shouldn’t…

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

Hanna worries that her mother is keeping a dangerous secret and is determined to protect her at all costs, which leads to an uncomfortable meeting with Detective Holbrook.

Holbrook’s partner, Lt Tanner, comes to town, intensifying their investigation into the Liars and their possible connection to Wilden’s death.

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.

The Liars try to prove that Alison was involved in Mona’s death; Aria worries about her future.

Spencer and Toby are at odds while Emily and Aria struggle with situations that are out of their control.

Secrets abound for Aria, Hanna and Spencer while Emily tries to let go of Paige.

Hanna refuses to let “A” frame her for Mona’s murder; Spencer’s actions put Toby in a bind.

Mona’s friend comes to town to pay her respects.

Hanna enters a beauty contest and turns to Emily for help; Aria asks Andrew to keep an eye on Mike.

Ali considers a plea deal, but it incriminates someone else, so the girls try to help her and Mike, as well as themselves. Elsewhere, Spencer unwinds while on a night…

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.

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