Pretty Little Liars

Season 4

TV-14

100%88%

Based on the Pretty Little Liars series of young adult novels by Sara Shepard, the series follows the lives of four girls — Spencer, Hanna, Aria, and Emily — whose clique falls apart after the disappearance of their queen bee, Alison. One year later, they begin receiving messages from someone using the name "A" who threatens to expose their secrets — including long-hidden ones they thought only Alison knew.

Where to Watch Season 4

24 Episodes

A is for A-L-I-V-E
E1
Episode 1A is for A-L-I-V-EThe girls are reunited when they each begin receiving threatening messages from someone named "A," suggesting Alison is actually alive - and watching them.
Turn of the Shoe
E2
Episode 2Turn of the ShoeThe 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.
Cat's Cradle
E3
Episode 3Cat's CradleHanna 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.
Face Time
E4
Episode 4Face TimeHolbrook's partner, Lt Tanner, comes to town, intensifying their investigation into the Liars and their possible connection to Wilden's death.
Gamma Zeta Die!
E5
Episode 5Gamma Zeta Die!Spencer and Emily make plans to visit a nearby college, but they have very different agendas for their time spent on campus.
Under the Gun
E6
Episode 6Under the GunHanna'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.
Crash and Burn, Girl!
E7
Episode 7Crash and Burn, Girl!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".
The Guilty Girl's Handbook
E8
Episode 8The Guilty Girl's HandbookHanna 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.
Into the Deep
E9
Episode 9Into the DeepPaige 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.
The Mirror Has Three Faces
E10
Episode 10The Mirror Has Three FacesStill 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.
Bring Down the Hoe
E11
Episode 11Bring Down the HoeAfter 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.
Now You See Me, Now You Don't
E12
Episode 12Now You See Me, Now You Don'tAn intriguing riddle from "A" has the Liars hitting the road and heading to Ravenswood, where they are surrounded by some familiar faces.
Grave New World
E13
Episode 13Grave New WorldAria, 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.
Who's in the Box?
E14
Episode 14Who's in the Box?Armed with the knowledge that Alison is alive, Aria, Emily, Hanna and Spencer now have more questions than ever before.
Love ShAck, Baby
E15
Episode 15Love ShAck, BabyNow 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.
Close Encounters
E16
Episode 16Close EncountersShana says that Ali wants to meet Emily - and not the other girls - but could it all be part of an "A" plan?; Aria and Hanna deal with matters of the heart.
Bite Your Tongue
E17
Episode 17Bite Your TongueHanna'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.
Hot for Teacher
E18
Episode 18Hot for TeacherWith 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.
Shadow Play
E19
Episode 19Shadow PlayThis 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.
Free Fall
E20
Episode 20Free FallSpencer 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.
She's Come Undone
E21
Episode 21She's Come UndoneThe 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.
Cover For Me
E22
Episode 22Cover For MeEmily takes up the sleuthing reins and hunts for answers about Ezra and Mona; Hanna begins a new search after being confronted by Holbrook and Tanner; Spencer and Aria lean on new men in their lives to recover.
Unbridled
E23
Episode 23UnbridledSpencer 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.
A is for Answers
E24
Episode 24A is for AnswersAfter years of questions and mystery surrounding the night Alison DiLaurentis disappeared, The Liars finally learn what really happened to her that September night.