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.
The best episode of "Pretty Little Liars" season 3 is "It Happened That Night", rated 8.2/10 from 1181 user votes. It was directed by Ron Lagomarsino and written by I. Marlene King. "It Happened That Night" aired on 6/5/2012 and is rated 0.2 point(s) higher than the second highest rated, "Blood Is The New Black".
Approaching the second anniversary of Alison's disappearance, a shocking event rocks Rosewood.
Director: Ron Lagomarsino
Writer: I. Marlene King
One of Aria's past indiscretions is fodder for a new "A." and Emily recalls a crucial event from the night she lost her memory.
Director: Norman Buckley
Writer: Oliver Goldstick
Spencer asks questions, but stumbles upon a larger secret, while Aria agrees to be Jenna's accompanist.
Director: Chad Lowe
Writer: Joseph Dougherty
Visiting Mona is driving a wedge between Hanna and Caleb and Hanna is forced to weigh up how honest to be with him.
Director: Roger Kumble
Writer: Michael J. Cinquemani
Jenna throws a party to die for and the Liars are suspicious when Garrett is let out of prison to visit his mother.
Director: Chad Lowe
Writer: Bryan M. Holdman
A new clue could lead the girls down the wrong path. Emily remembers something new from the other night but the recollection suggests a very surprising suspect.
Director: Norman Buckley
Writer: Maya Goldsmith
Hanna is worried that Detective Bryce is trying to frame her and the others turn to a very unlikely person for help.
Director: Patrick R. Norris
Writer: Andy Reaser
Spencer asks Caleb for help. Aria learns about Ezra's past. Emily is worried about how Paige will be affected by everything "A" has done to her.
Director: Zetna Fuentes
Writer: Joseph Dougherty
After Spencer turns in desperation to Cece for help with her college application, she and Aria may find some answers at the Kahn brothers' party.
Director: Wendey Stanzler
Writer: Lijah J. Barasz
A cabin may hold the key to Maya's secrets so Hanna and Emily do some snooping.
Director: Patrick R. Norris
Writer: Jonell Lennon
Paige's past comes back to haunt Emily. Aria gets a surprise from Ezra's past.
Director: Joanna Kerns, Patrick R. Norris
Writer: Maya Goldsmith, Oliver Goldstick
As the town becomes a media circus in the run-up to the new trial, the girls are betrayed by someone close to them.
Director: Ron Lagomarsino
Writer: I. Marlene King
Unexpected Halloween party guests pop up at every turn and The Rosewood Halloween Ghost Train becomes one killer party.
Director: Arthur Anderson, Tim Hunter
Writer: Joseph Dougherty
To the girls' dismay, Mona is headed back to Rosewood High. Aria, Emily, Hanna and Spencer take very different views of the "new" Mona.
Director: Wendey Stanzler
Writer: Oliver Goldstick
A battle of the brains stresses Spencer, Aria learns of reasons to suspect her father of foul play, Hanna confronts Lucas, and Emily gets a fright in the woods.
Director: Norman Buckley
Writer: Bryan M. Holdman
Ailing Aria has reason to be afraid, while Spencer’s romantic gesture results in an unpleasant surprise.
Director: I. Marlene King
Writer: I. Marlene King, Jonell Lennon
Distracted Spencer’s anger is let-loose on Ezra, hurting Aria. Emily and Hanna each end up at the police station.
Director: Michael Grossman
Writer: Maya Goldsmith
Emily’s memories get muddled in therapy, Caleb’s boyhood things intrigue Hanna, Ezra’s brother brings trouble, and Spencer gets bitter.
Director: Arlene Sanford
Writer: Lijah J. Barasz, Joseph Dougherty
Spencer’s misbehaviour causes concern, Hanna engineers an encounter Caleb is resisting, Emily’s detective work turns dangerous.
Director: Ron Lagomarsino
Writer: Francesca Rollins, Oliver Goldstick
Det. Wilden seeks to silence those who know his secret, the heat is on for Spencer after reengaging with Wren, and Ezra’s mother tries a new angle of attack.
Director: Chad Lowe
Writer: Andy Reaser
Death stalks someone close to Spencer, while Hanna has evidence to ditch, and Aria finds baby-sitting awkward.
Director: Melanie Mayron
Writer: Jonell Lennon
Spencer’s mental state deteriorates while her friends fret. A reappearance proves miraculous and ominous.
Director: Ron Lagomarsino
Writer: Joseph Dougherty
Some secrets of Mona’s asylum stay come to light, a corpse must be faced, and a lost child tracked down.
Director: Oliver Goldstick
Writer: Maya Goldsmith, Oliver Goldstick
A turncoat’s betrayal is nothing compared to the deadly trap the liars are lured into hoping to see the face of their nemesis.
Director: Patrick R. Norris
Writer: I. Marlene King