22 episodesFirst aired 8 June 2010
Rosewood is a perfect little town with a great many secrets, the ugliest of which belong to the four prettiest girls in town: Aria, Spencer, Hanna and Emily, friends whose darkest secrets are about to unravel. One year ago, Alison, the Queen Bee of the group, disappeared, and the girls stopped being each other's BFFs. Now they start getting messages from "A" saying things only Alison would know. "A" spills their secrets, watches their every move and makes some very scary threats. The girls reunite to discover what's going on: Is Alison back or is "A" someone else altogether? Share the mystery with the complete Season One of the enthralling new series based upon the New York Times bestselling series by Sara Shepard.
E1Jun 201045m
A year after their friend disappears, four girls receive mysterious messages from 'A'.
E2Jun 201042m
The circumstances surrounding Alison's disappearance continue to haunt Aria, Emily, Spencer and Hanna as questions arise about the night she went missing.
E3Jun 201044m
As they try to pay tribute to Alison's memory, the four friends are faced with unresolved issues. With 'A' taunting them every step of the way, can the girls forge ahead and leave the past behind?
E4Jun 201044m
Tired of being harassed by 'A', the girls decide to put a stop to the anonymous emails and text messages by blocking all unknown users. But the friends' problems are far from over.
E5Jul 201044m
Trying to ignore 'A' backfired for the girls, and now they must pay the penalty. They must also deal with typical teenage drama - the boy kind.
E6Jul 201044m
The homecoming decorating committee is knee-deep in balloons, and girls are jockeying for position to be the queen, while four friends from Rosewood just try to stay afloat.
E7Jul 201044m
In the aftermath of the disastrous homecoming dance, the girls try to sort out the devastation that is left behind. If the little liars don't act fast, the situation could go from bad to worse.
E8Jul 201043m
After much planning, the day of Alison's memorial is around the corner, and the girls are ready to say their goodbyes. But their last-minute preparations soon get derailed.
E9Aug 201044m
A day of SAT testing is put on hold when a violent storm hits Rosewood, but the girls are stuck inside the school dealing with the drama that follows them everywhere.
E10Aug 201044m
The discovery of a new piece of evidence about Alison's disappearance brings the FBI to town, and the last thing the girls want to do is go 'glamping' for a birthday party.
E11Jan 201144m
Moments after Hanna is hit by a car, the girls' world is turned upside down. 'A' is no longer content to play a game of cat and mouse, and things take a far more precarious turn.
E12Jan 201144m
Hanna's return home from the hospital should be a joyous event, but being stuck in a wheelchair and feeling haunted by 'A' makes it feel more like a Hitchcock nightmare than a proper homecoming.
E13Jan 201144m
Relationships are in flux in Rosewood as the girls face many obstacles. As Noel steps up his pursuit of Ezra, Aria and Ezra begin to feel like there may be no way out.
E14Jan 201144m
As the school gets ready for the dance-a-thon, Aria, Emily, Hanna and Spencer have more on their minds than just raising money for the school trip to Washington DC.
E15Jan 201144m
The girls try to resume a sense of normality in their lives, but even the simple tasks of dating and extracurricular activities meet with strife.
E16Feb 201144m
A crucial swim meet for the Rosewood Sharks is the setting where Aria, Emily, Hanna and Spencer experience a lot of turmoil. Emily and Paige go for round two as they are pitted against each other.
E17Feb 201142m
What happens to one little liar when parent-teacher conferences come around and her father sits face-to-face with the love of her life?
E18Feb 201144m
As their doubts, fears and suspicions grow, Aria, Emily, Hanna and Spencer start to wonder what the true face of evil looks like. Is it the girl who will do anything to keep her loved ones near?
E19Feb 201144m
After a shocking revelation from the police, the spotlight is turned on four little liars who look to be crying wolf. But with everything pointing to Ian, how could the girls be wrong?
E20Mar 201142m
Everyone has a secret in Rosewood and it's only a matter of time before it is revealed. Four girls know this to be especially true and are reminded of it on a daily basis.
E21Mar 201144m
Rosewood's Founders Festival sets the stage for more secrets. Everyone has something to hide - whether it is a secret romance, or revealing a true identity and true intentions.
E22Mar 201144m
Now that Aria, Emily, Hanna and Spencer are in possession of the information that Alison left them, the girls decide that it's time to finally put an end to the mystery surrounding their friend.
