Calendar Timelines
- Ali’s Pretty Little Lies
- Pretty Little Liars
- Flawless
- Perfect
- Unbelievable
- Pretty Little Secrets
- Wicked
- Killer
- Heartless
- Wanted
- Twisted
- Ruthless
- Stunning
- Burned
- Crushed
- Deadly
- Toxic
- Vicious
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Timeline of Events
Courtney’s Hospitalization
Date: January-June, 2000
Courtney is hospitalized at the Radley due to getting diagnosed with paranoid schizophrenia after her twin sister Alison’s constant manipulation and lies caused her to act out and seem violent and unstable. In the end it was Alison’s choice whether or not to send Courtney away, and since it was her plan all along to get rid of her, Courtney is sent away sometime between January and June in 2000 before her 10th birthday.
The DiLaurentis’ Move to Rosewood
Date: 2000
The DiLaurentis family moves from Stamford, Connecticut after Courtney’s Hospitalization and changes their last name from Day-Dilaurentis to DiLaurentis in order to start over and hide Courtney from their new friends and neighbors.
Wicked Prologue: Time Capsule
Date: September 4, 2001
Emily, Spencer, Hanna, Aria, and Alison as find out about Rosewood Day’s infamous Time Capsule game starting the next day. When Ian suggests to Alison that someone might steal her piece of the Time Capsule flag once she’s found it, the same plan begins forming in all the Liars' minds. They are going to steal the piece from Alison.
Ali’s Pretty Little Lies and Killer Prologue: Twin Swap and Stealing the Flag
Date: September 6, 2001
As Emily, Spencer, Hanna, and Aria assemble in Alison’s backyard getting ready to steal her piece of the flag, inside, Courtney realizes she has the perfect opportunity to take her sister's spot and trick their parents. Seizing the opportunity, Courtney struts outside wearing her sister's ring, shoes and matching clothes. She begins a conversation with the Liars, and when it’s time for Courtney to leave for the Preserve, Mrs. DiLaurentis mistakes her for her sister and forces the real Alison to go instead.
The Rosewood Day Charity Drive
Date: September 13, 2001
The Saturday after the twin swap, Courtney goes to the Rosewood Day Charity Drive where she befriends Emily, Spencer, Hanna, and Aria.
Flawless Prologue: The Jenna Thing
Date: April, 2002
Courtney and Jenna had made a plan to get Toby sent away to boarding school by framing him for setting off more fireworks. One night at a sleepover the Liars and Courtney see Toby standing outside their window staring. Courtney tells the Liars that they should prank him with a firework, hiding the truth about her and Jenna’s plan. Courtney goes over to the Cavanaugh family’s backyard while the Liars stay in the house watching from the window. She takes a firework from the base of his treehouse and goes to set it off outside Toby’s treehouse window but is so shocked at the sight of Toby and Jenna in there together she aims it inside the treehouse, hitting and blinding Jenna. Courtney gets scared and runs away not knowing it was all witnessed by Mona on her way to visit her friend Jenna. Mona is also injured from the sparks off the firework. Courtney later threatens to tell on Toby unless he takes the blame for the firework.
Toby Leaves
Date: August, 2002
Toby leaves Rosewood and goes to boarding school.
Ali's Pretty Little Lies
Date: May 1-June 21, 2003
Ali's Pretty Little Lies takes place.
Perfect Prologue: Home Video
Date: June, 2003
Aria records a casual home video of a talk show featuring Courtney, Spencer, Hanna, Emily, and Ian. This footage later emerges during Ian’s trial.
Unbelievable Prologue: Sleepover News
Date: June 19, 2003
Spencer, Emily, Hanna, and Aria visit Courtney's house to share news about their end-of-seventh-grade sleepover. Unbeknownst to them, they meet the real Alison who’s home visiting.
Pretty Little Liars and Wanted Prologue: Courtney’s Death
Date: June 20, 2003
Courtney hypnotizes the Liars during their end-of-seventh-grade sleepover. Spencer and Courtney start fighting and Cortney leaves. Spencer runs after her and they start fighting. Courtney runs off again and spots her mom and Spencer's dad kissing. She starts putting together the pieces and realizes he’s her real dad, making Spencer her half-sister. She then meets Alison and they get into a fight where Alison pushes Courtney into the big hole that was dug for the new gazebo being built the next day. Courtney stops being able to speak and move after the fall and is quickly fading. As she’s dying, Nick, who’s been infiltrating her life, joins Alison, and Courtney dies with the shock of her sister and Nick’s betrayal.
Heartless Prologue: Interrogation
Date: June 21, 2003
Mrs. DiLaurentis questions Spencer, Hanna, Emily, and Aria about Courtney's whereabouts after she failed to return home from their sleepover the night before.
Iceland Move
Date: September, 2003
The Montgomery's move to Iceland.
The DiLaurentis’ move
Date: December, 2005
The DiLaurentis family moves away from Rosewood.
Pretty Little Liars
Date: September 1-10, 2006
Pretty Little Liars takes place.
First A Message
Date: September 4, 2006
Aria gets sent the first A (Mona) Message saying ""Aria: Surprise! I wonder what your pig puppet will have to say about this... -A""
Courtney's Found
Date: September 8, 2006
Courtney's body is found when demolishing the gazebo in her old backyard.
Flawless
Date: September 10-16, 2006
Flawless takes place.
Toby's Death
Date: September 16, 2006
Toby is found dead after having committed suicide.
Perfect
Date: October 8-16, 2006
Perfect takes place.
A’s Identity
Date: October 13, 2006
Hanna figures out Mona is A after she mistakenly sends a text from her personal phone number. A (Mona) hits Hanna with a car, putting Hanna in a two-day coma and then forgetting everything.
Unbelievable
Date: October 14-22, 2006
Unbelievable takes place.
Hanna Remembers
Date: October 19, 2006
Hanna remembers that Mona is A after finally remembering the night of her accident.
Mona's Death
Date: October 19, 2006
Mona falls off a cliff at Floating Man Quarry and dies after getting into a physical altercation with Spencer.
Ian's Arrest
Date: October 19, 2006
Ian gets arrested for killing Courtney after Mona said he was the killer during her and Spencer's altercation.
Alison Leaves
Date: November, 2006
Iris tells Hanna that Courtney (Alison) left the preserve in November.
Pretty Little Secrets
Date: December 5-31, 2006
Pretty Little Secrets takes place.
Wicked
Date: January 1-7, 2007
Wicked takes place.
Second A
Date: January 3, 2007
The first new A (Alison and Nick) message gets sent to the Liars saying ""Honestly, bitches... did you really think I'd let you off that easy? You haven't gotten nearly what you deserve. And I can't wait to give it to you. Mwah! -A""
Ian's Death
Date: January 7, 2007
After Ian was let out on temporary bail, Spencer, Hanna, Emily and Aria find him dead in the woods after being killed by A (Alison and Nick). His body goes missing shortly after.
Killer
Date: January 7-14, 2007
Killer takes place.
Fire
Date: January 14, 2007
A (Alison and Nick) sets fire to Spencer's barn and the woods behind her house trapping the Liars. Aria finds Alison in the woods and helps her out. She disappears soon after, making everyone doubt what the Liars saw.
Heartless
Date: January 14-20, 2007
Heartless takes place.
Sisters
Date: January 20, 2007
Spencer pieces together that her dad and Alison's mom had an affair and that Alison is her half-sister.
The Liars Get Arrested
Date: January 20, 2007
Spencer, Emily, Hanna, and Aria all get arrested for involvement in Courtney's murder case.
Billy Ford's Arrest
Date: January 20, 2007
Billy Ford gets arrested for killing Courtney, Ian, and Jenna after being framed by A.
Wanted
Date: February 3-March 15, 2007
Wanted takes place.
Press Conference
Date: February 3, 2007
Mrs. DiLaurentis holds a press conference where she reveals that she has another child - Alison's twin sister, Courtney. The girl everyone still believes is Courtney is revealed.
Deadly Prologue: Poconos Fire Preparations
Date: February 8, 2007
Alison prepares to burn down the DiLaurentis' Poconos house.
Poconos Fire
Date: February 8, 2007
Alison lures Spencer, Hanna, Emily, and Aria to the Poconos, locks them in a room, reveals she's the one who killed Courtney and is the new A, then sets the house on fire. While they are trying to get out they find Ian's body and Melissa locked in a closet.
Toxic Prologue
Date: February 15, 2007
Alison and Nick are holed up in an empty townhouse, watching TV and plotting their next move. It's revealed that Nick wrote the letter in the Poconos, not Alison—a key part of Alison's backup plan that she's been keeping secret from him.
Twisted Prologue: Jamaica
Date: April, 2007
The Liars meet a girl named Tabitha Clarke while on spring break in Jamaica. They start believing she's Alison who's come back to kill them. After being cornered on the rooftop, Aria pushes her off the roof thinking she’s about to kill Hanna. They run to the beach but can't find her body anywhere. It turns out she survived the fall but was killed by Nick, A's (Alison's) boyfriend and helper, before they got down to the beach.
Burned Prologue: Crash
Date: June, 2007
Hanna goes to a bar and meets a drunk girl named Madison. Hanna offers to drive her home but A (Alison and Nick) drives them off the road on the way and they get in a crash. They both survive the crash but Madison is unconscious. Hanna calls Emily, Spencer, and Aria who help her move Madison into the driver seat. They then leave the scene.
Ruthless Prologue: Framing Kelsey
Date: July 31, 2007
After getting arrested for drug possession, Spencer gets Hanna to frame her friend Kelsey as a dealer by putting drugs in her room so Spencer won't get any charges.
Crushed Prologue: Art Heist
Date: August, 2007
While on vacation in Iceland, Aria meets a guy named Olaf (Nick). He convinces her to help him steal a priceless practice painting of Van Gogh’s ""Starry Night"" from a nearby mansion. Alarms go off and the police come. Aria calls Hanna to come save her, leaving Olaf (Nick) stranded.
Stunning Prologue: Emily's Birth
Date: October, 2007
After Emily gives birth, she, Spencer, Hanna, and Aria rush the baby to the Bakers’ house for adoption, doing so in secret. Gayle, a wealthy woman who offered fifty thousand dollars for the baby in an illegal transaction, still believes she’s getting the child. But Emily, fearing Gayle would be an unfit mother, chose the Bakers instead. They return the money in Gayle's mailbox, but A (Alison and Nick) takes it, making Gayle believe Emily scammed her.
Twisted
Date: February 1-8, 2008
Twisted takes place.
Third A
Date: February 3, 2008
The Liars are sent the first new A (Alison and Nick) message reading ""I hear Jamaica is beautiful this time of year. Too bad the four of you can't EVER go back there. Missed you! -A""
Tabitha Clarke
Date: February 8, 2008
A news broadcast reveals that remains belonging to Tabitha Clarke were found in Jamaica, leading The Liars to believe they may have unintentionally killed an innocent girl.
Ruthless
Date: February 20-March 3, 2008
Ruthless takes place.
Preserve Patient
Date: March 3, 2008
Spencer, Hanna, Emily, and Aria find out Tabitha was a patient at the Preserve.
Stunning
Date: March 8-18, 2008
Stunning takes place.
Gayle's Death
Date: March 16, 2008
After going to Gayle's Mansion to save Emily's baby, they see a photo of Gayle, her husband and Tabitha, realizing that Gayle was her stepmom. While in the driveway they hear a gunshot - Gayle’s been killed by Nick, A's helper.
Burned
Date: March 24-April 2, 2008
Burned takes place.
Explosion
Date: March 30, 2008
Aria meets a guy named Graham on the Eco Cruise. During the trip she learns that he’s Tabitha’s ex boyfriend. She believes that he’s figured out what she did to Tabitha and starts running across the ship and into the boiler room. There’s an explosion but Aria and Graham both survive. After the explosion, The Liars take one of the lifeboats and go to an underwater cave to hide Tabitha’s necklace that they found earlier on the trip. While hiding the necklace, the boat sinks, leaving them stranded. They get saved by their friends just in time.
Crushed
Date: April 7-20, 2008
Crushed takes place.
Graham's Death
Date: April 19, 2008
Graham is killed by A (Alison) while he's recovering in the hospital following the Eco Cruise explosion.
Deadly
Date: April 21-May 20, 2008
Deadly takes place.
Telling the Truth
Date: April 22, 2008
Aria, Spencer, Hanna and Emily all get taken into the station to be questioned for different things. Stolen art, Drugs etc. While talking to Agent Fuji, The Liars finally tell the truth about A (Alison and Nick). Fuji believes them and grants them security and and investigation about A begins.
Arrested
Date: April 25, 2008
The Liars all get arrested for killing Tabitha after the cops got sent a fake video of the Liars killing her. Agent Fuji claims that A (Alison and Nick) is all in their heads and that all texts came from their phones.
Nick
Date: May 17, 2008
The Liars decide to find A. After a while they end up finding one of A’s secret lairs. There, they find Nick and realize that he’s made his way into all their lives as different people. Alison shows up and they get put in a room that is getting filled with Cyanide. The cops come and arrest Nick, but Alison is gone. The charges against them are dropped.
Toxic
Date: June 2-14, 2008
Toxic takes place.
A's Lair
Date: June 13, 2008
The Liars find another one of A’s (Alison and Nick's) lairs and the inside is covered in blood. They find a dress they think belongs to Alison and take it. When someone comes in the house they run and hide and when they go downstairs again everything has been cleaned.
Arrested Again
Date: June 14, 2008
Spencer, Hanna, Emily and Aria all get arrested for killing Alison after the police find the poorly cleaned up blood, security cameras with footage of Emily’s freakout, a tooth belonging to Alison, a diary containing information of how they tortured her and the bloody dress they found earlier.
Vicious Prologue: Alison Thinks Back
Date: June, 2008
Alison is sat watching TV following the coverage of Spencer, Hanna, Emily, and Aria's trial as she thinks back on her plan.
Vicious
Date: June 26, 2008-January 10, 2009
Vicious takes place.
Emily's Death
Date: June 29, 2008
Emily fakes taking her own life in the ocean during a storm. Unbeknownst to everyone else, she survived, and has her own master plan. She is pronounced dead and a funeral is held. Emily uses this time trying to track down Alison.
Escape
Date: July 1, 2008
Aria decides to escape the trial by illegally leaving America. She travels across the world and ends up in Amsterdam where Noel later finds her. The police track them down on their way to Japan and take them back to America.
Guilty
Date: July 6, 2008
Spencer, Hanna and Aria go to trial and all are found guilty of murder. They are sentenced to life in jail.
Alive
Date: July 7, 2008
Spencer, Hanna and Aria are called back to court where they find Emily alive and well, with the news that she found Alison hiding out with her mother in Florida. Alison gets arrested and the girls are all freed.
It's Not Over Until I Say It Is
Date: January 10, 2009
Alison is scheming inside the psych ward in the prison, thinking of her plan to get out of there and finally get her way.