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Season guide

Pretty Little Liars: Season 1

22 episodes Premiered Jun 8, 2010 Updated Jul 20, 2026

Pretty Little Liars Season 1 introduces the town of Rosewood, a seemingly perfect community that hides a web of secrets centered on four high‑school friends—Aria, Spencer, Hanna and Emily. The series is based on Sara Shepard’s young‑adult novels and was created for television by I. Marlene King. It premiered on Freeform (formerly ABC Family) in 2010 as a TV‑14 drama‑mystery. One year after the disappearance of their

Season overview

Pretty Little Liars Season 1 introduces the town of Rosewood, a seemingly perfect community that hides a web of secrets centered on four high‑school friends—Aria, Spencer, Hanna and Emily. The series is based on Sara Shepard’s young‑adult novels and was created for television by I. Marlene King. It premiered on Freeform (formerly ABC Family) in 2010 as a TV‑14 drama‑mystery. One year after the disappearance of their queen‑bee, Alison, the quartet’s close bond fractures. The season’s narrative begins when the girls start receiving anonymous messages from a figure calling themselves “A.” These messages contain information only Alison could have known, exposing each girl’s hidden past, monitoring their movements, and issuing threatening warnings. United by

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Episodes

S1·E1

Pilot

Jun 8, 2010 · 45 min

A year after their friend disappears, four girls receive mysterious messages from 'A'.

S1·E2

The Jenna Thing

Jun 15, 2010 · 42 min

The circumstances surrounding Alison's disappearance continue to haunt Aria, Emily, Spencer and Hanna as questions arise about the night she went missing.

S1·E3

To Kill a Mocking Girl

Jun 22, 2010 · 44 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

S1·E4

Can You Hear Me Now

Jun 29, 2010 · 44 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.

S1·E5

Reality Bites Me

Jul 6, 2010 · 44 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.

S1·E6

There's No Place Like Homecoming

Jul 13, 2010 · 44 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.

S1·E7

The Homecoming Hangover

Jul 20, 2010 · 44 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

S1·E8

Please, Do Talk About Me When I'm Gone

Jul 27, 2010 · 43 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.

S1·E9

The Perfect Storm

Aug 3, 2010 · 44 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.

S1·E10

Keep Your Friends Close

Aug 10, 2010 · 44 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.

S1·E11

Moments Later

Jan 3, 2011 · 44 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.

S1·E12

Salt Meets Wound

Jan 10, 2011 · 44 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 prop

S1·E13

Know Your Frenemies

Jan 17, 2011 · 44 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.

S1·E14

Careful What U Wish 4

Jan 24, 2011 · 44 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.

S1·E16

Je Suis une Amie

Feb 7, 2011 · 44 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 aga

S1·E17

The New Normal

Feb 14, 2011 · 42 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?

S1·E18

The Badass Seed

Feb 21, 2011 · 44 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 lo

S1·E19

A Person of Interest

Feb 28, 2011 · 44 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 wr

S1·E20

Someone to Watch Over Me

Mar 7, 2011 · 42 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.

S1·E21

Monsters in the End

Mar 14, 2011 · 44 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.

S1·E22

For Whom the Bell Tolls

Mar 21, 2011 · 44 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