Episode 1: A Is for A-l-i-v-e
2013-06-1144 min
The girls are reunited when they each begin receiving threatening messages from someone named "A," suggesting Alison is actually alive - and watching them.
Season guide
Pretty Little Liars Season 4 — Episodes and Where to Watch
24 episodes · first aired 2013-06-11
The season continues from where it left off in the third-season finale, where the girls were rescued from the burning building by who they believe is Alison. The girls begin looking for answers that could lead to Alison's whereabouts while dealing with the aftermath of Detective Wilden's murder and "A" intervening in their personal lives.
Episode guide
Episode 2: Turn of the Shoe
2013-06-1844 min
The presence of Mrs DiLaurentis continues to unnerve those around her, especially when she gives Hanna a parrot, whose gift for mimicry provides an insight into Alison's last days.
Episode 3: Cat's Cradle
2013-06-2544 min
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.
Episode 4: Face Time
2013-07-0244 min
Holbrook's partner, Lt Tanner, comes to town, intensifying their investigation into the Liars and their possible connection to Wilden's death.
Episode 5: Gamma Zeta Die!
2013-07-0944 min
Spencer and Emily make plans to visit a nearby college, but they have very different agendas for their time spent on campus.
Episode 6: Under the Gun
2013-07-1644 min
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 have.
Episode 7: Crash and Burn, Girl!
2013-07-2344 min
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 "Red Coat".
Episode 8: The Guilty Girl's Handbook
2013-07-3044 min
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 Mona can't be trusted.
Episode 9: Into the Deep
2013-08-0643 min
Paige throws Emily a surprise birthday party with even more surprising guests - Jenna and Shana. But it's the actions of "A" at the party that lead to the biggest shock of all.
Episode 10: The Mirror Has Three Faces
2013-08-1344 min
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 take up the offer.
Episode 11: Bring Down the Hoe
2013-08-2044 min
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.
Episode 12: Now You See Me, Now You Don't
2013-08-2743 min
An intriguing riddle from "A" has the Liars hitting the road and heading to Ravenswood, where they are surrounded by some familiar faces.
Episode 13: Grave New World
2013-10-2243 min
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.
Episode 14: Who's in the Box?
2014-01-0743 min
Armed with the knowledge that Alison is alive, Aria, Emily, Hanna and Spencer now have more questions than ever before.
Episode 15: Love ShAck, Baby
2014-01-1443 min
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.
Episode 16: Close Encounters
2014-01-2143 min
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.
Episode 17: Bite Your Tongue
2014-01-2843 min
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.
Episode 18: Hot for Teacher
2014-02-0443 min
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.
Episode 19: Shadow Play
2014-02-1143 min
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.
Episode 20: Free Fall
2014-02-1843 min
Spencer is determined to finally tell Aria what she has found out about Ezra, but Emily and Hanna are worried about what it could do to their friend.
Episode 21: She's Come Undone
2014-02-2543 min
The Liars are concerned for Aria as they watch her crumble after learning shocking news about Ezra. Not knowing what is true or who to trust, Aria goes looking for answers.
Episode 22: Cover for Me
2014-03-0443 min
Emily takes up the sleuthing reins as she searches for answers about Ezra and Mona. After confronting both, Emily tries to make sense of the heartbreaking situation.
Episode 23: Unbridled
2014-03-1143 min
Spencer is reeling about the memories from her 'lost summer', Aria is nursing a broken heart, Emily struggles with Paige's betrayal and Hanna attempts to get back into dating.
Episode 24: A Is for Answers
2014-03-1843 min
After years of questions and mystery surrounding the night Alison DiLaurentis disappeared, The Liars finally learn what really happened to her that September night.
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