The girls are forced to seek help.
The girls must come to terms with being separated.
Spencer and Toby grow closer.
A helping hand is much needed to get out of some tricky situations for the Liars.
The Little Liars face an unknown evil.
"A" sabotages the fashion show.
The Liars are ill at ease when they each have to confront complicated matters.
The pressure becomes too much for Emily and lands her in the hospital.
Spencer learns something disturbing about Jason.
Complex situations land the Liars in hot water.
Aria, Emily, Hanna and Spencer finally decide to tell someone about "A.''
"A" sends the Liars on a hunt to destroy lives in order to save another.
The Halloween before Ali disappeared.
The relationship between Aria, Emily, Hanna and Spencer changes following their arrest.
The girls turn to Caleb for help -- and Hanna isn't happy.
Holden and Aria join forces.