[s2e13] The First Secret Apr 2026

" The First Secret " is the of the mystery drama series Pretty Little Liars . Originally aired on October 19, 2011, it serves as a prequel/Halloween special that takes viewers back to the autumn before the show's main events began. Plot Overview

At the party, Alison stages a terrifying "attack" by a masked assailant to test the loyalty of her friends. She is initially amused until she realizes the person she thought was her partner-in-crime (Noel) wasn't actually there for the prank. Key Character Backstories

The episode follows the Liars—Aria, Hanna, Spencer, and Emily—during the Halloween of 2008, when Alison DiLaurentis was still the undisputed "Queen Bee" of Rosewood. [S2E13] The First Secret

Struggles with her self-image and her father’s recent departure, all while being bullied by Alison about her weight.

Discovers her father, Byron, having an affair with one of his students, Meredith, and is sworn to secrecy. " The First Secret " is the of

"The First Secret" reveals that Alison was being stalked long before the other girls were. Throughout the episode, she receives threatening texts and a package containing a creepy voodoo doll with the message: “It’s my turn to torture you” . This suggests that "A" (later revealed to be Mona Vanderwaal) was already active and targeting Alison months before her disappearance.

The girls are desperate for an invite to Noel Kahn’s legendary Halloween party. She is initially amused until she realizes the

The episode provides critical context for the secrets the girls kept before "A" began harassing them: