Aug 5, 1982 - develop into innocently conceived violence. The Jenna Thing is the second episode in Season 1 of Pretty Little Liars, airing June 15, 2010, and the 2nd episode overall. She had to go over her checklist, make a few final calls, find something to wear. Proceeding to the sitting-room she placed her lamp on the table, and flinging her. Usually, the twin is waiting in the room she saw her daughter sitting on the bed.