Episode 1: Pilot
2010-06-0845 min
A year after their friend disappears, four girls receive mysterious messages from 'A'.
Season guide
Pretty Little Liars Season 1 — Episodes and Where to Watch
22 episodes · first aired 2010-06-08
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.
Episode guide
Episode 2: The Jenna Thing
2010-06-1542 min
The circumstances surrounding Alison's disappearance continue to haunt Aria, Emily, Spencer and Hanna as questions arise about the night she went missing.
Episode 3: To Kill a Mocking Girl
2010-06-2244 min
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?
Episode 4: Can You Hear Me Now
2010-06-2944 min
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.
Episode 5: Reality Bites Me
2010-07-0644 min
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.
Episode 6: There's No Place Like Homecoming
2010-07-1344 min
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.
Episode 7: The Homecoming Hangover
2010-07-2044 min
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.
Episode 8: Please, Do Talk About Me When I'm Gone
2010-07-2743 min
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.
Episode 9: The Perfect Storm
2010-08-0344 min
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.
Episode 10: Keep Your Friends Close
2010-08-1044 min
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.
Episode 11: Moments Later
2011-01-0344 min
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.
Episode 12: Salt Meets Wound
2011-01-1044 min
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.
Episode 13: Know Your Frenemies
2011-01-1744 min
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.
Episode 14: Careful What U Wish 4
2011-01-2444 min
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.
Episode 15: If at First You Don't Succeed, Lie, Lie Again
2011-01-3144 min
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.
Episode 16: Je Suis une Amie
2011-02-0744 min
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.
Episode 17: The New Normal
2011-02-1442 min
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?
Episode 18: The Badass Seed
2011-02-2144 min
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?
Episode 19: A Person of Interest
2011-02-2844 min
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?
Episode 20: Someone to Watch Over Me
2011-03-0742 min
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.
Episode 21: Monsters in the End
2011-03-1444 min
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.
Episode 22: For Whom the Bell Tolls
2011-03-2144 min
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.
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