First Secret | [s2e13] The

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

Fans often cite this as a top-tier episode because it fills in essential gaps in the Rosewood lore. It highlights Alison’s manipulative nature and the complex power dynamics she held over her "friends," while also planting early clues about the and the identities of those who hated her most, such as Lucas and Mona. Pretty Little Liars S2.E13 “The First Secret” [S2E13] The First Secret

The episode provides critical context for the secrets the girls kept before "A" began harassing them: Struggles with her self-image and her father’s recent

The girls are desperate for an invite to Noel Kahn’s legendary Halloween party. Pretty Little Liars S2

" 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

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

While shopping for costumes, Alison meets the "new girl," Jenna Marshall. When they both want the same Lady Gaga costume, Alison attempts to intimidate her, but Jenna famously refuses her offer of friendship, marking the start of their rivalry.