No Stone Unturned

No Stone Unturned is the sixth episode of Season 6 of Pretty Little Liars. The episode will air July 14th, 2015.

Synopsis
With all signs pointing to Leslie as the tormentor in the hoodie, the PLLs are on a mission to get concrete proof before bringing their findings to the police. But as the girls ramp up their investigation, "A's" threats escalate.

Meanwhile, a friend of Emily's makes her a surprising offer and Spencer is pressured by her family to make an important decision.

Spoilers/Notes

 * On May 4, Chad Lowe tweeted, "It's gettin hot in Rosewood. Shooting in one of the girls bedrooms".
 * There may be a Mona and Lesli scene. Source
 * Lorenzo may be in this episode. Source
 * Kenneth may be in this episode. Source
 * Ashley may be in this episode. Source
 * Little Alison will be back. Source

Title and Background

 * The title was confirmed on Netflix UK. Source

Main Cast

 * Troian Bellisario as Spencer Hastings
 * Ashley Benson as Hanna Marin
 * Lucy Hale as Aria Montgomery
 * Shay Mitchell as Emily Fields
 * Janel Parrish as Mona Vanderwaal
 * Sasha Pieterse as Alison DiLaurentis

Supporting Cast

 * Ian Harding as Ezra Fitz
 * Tyler Blackburn as Caleb Rivers
 * Laura Leighton as Ashley Marin
 * Elizabeth McLaughlin as Lesli Stone
 * Jim Abele as Kenneth DiLaurentis
 * Isabella Rice as Little Alison
 * Titus Makin Jr. as Clark Wilkins
 * Travis Winfrey as Lorenzo Calderon

Trivia

 * The table read was on April 30, 2015.
 * Filming began May 4, 2015 and wrapped May 11, 2015.
 * This is the final episode of this season to be directed by Chad Lowe. Source