Ella and Zac prepare for their engagement party.
Ali forms a bond with Hanna's mom. Hanna continues to fall out of control.
Aria volunteers at Radley to look for clues. Emily's mom hosts a dinner.
After the big endiing of the 100th episode, the PLLs deal with the fallout.
In the 100th episode, Ali returns to school, Caleb returns to Rosewood.
Keegan from Pretty Little Liars answers fan questions!
"It's Alive" - Sneak Peek
Pretty Little Liars: 'Pilot'
While Caleb unsuccessfully tries to get Aria to help him with Hanna, Ella spies her daughter with Caleb and wonders if he could be Aria's mystery man.
Brant and Brendan from Pretty Little Liars answer fan questions!
Holly Marie and Chad from Pretty Little Liars answer fan questions!
Aria finds a new clue inside a photograph of Alison.
Emily gets caught on the phone.
Hanna deals with the Caleb situation.
Noel goes to great lengths to get Mr. Fitz to re-grade his paper.
Pretty Little Liars: 'Moments Later' Sneak Peek
The Homecoming Hangover: preview
Spencer has more family problems.
Spencer gets surprised by her mom - twice.
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