PRETTY LITTLE LIARS - "The Wrath of Kahn" - When the typical methods of sleuthing aren't working, one of the girls decides to take matters into her own hands in "The Wrath of Kahn," an all-new episode of Freeform's hit original series "Pretty Little Liars," airing TUESDAY, AUGUST 23 (8:00-9:00 p.m. EDT). (Photo by Eric McCandless/Freeform via Getty Images) NICHOLAS GONZALEZ
