VIDEO: Sneak Peek - 'Run, Ali, Run' Episode of PRETTY LITTLE LIARS

Alison is spooked after the most recent Rosewood "accident" and wonders if she should have come back after all in "Run, Ali, Run," an all-new episode of ABC Family's hit original series "Pretty Little Liars," premiering Tuesday, July 15th (8:00 - 9:00 PM ET/PT). Get a sneak peek below!

With the town of Rosewood trying to get back to normal, the PLLs - especially Ali - are far from okay after the latest "accident." Thinking that it wasn't the right decision to come home after all, Ali starts to consider leaving for good. But Aria, Emily, Hanna and Spencer are determined to keep her safe in Rosewood and to figure out who and what is behind this latest incident. 

Meanwhile, Caleb also starts second-guessing his return, and Ezra dives into his research to help find answers. 

"Pretty Little Liars" is produced by Alloy Entertainment in association with Warner Horizon Television and is executive produced by I. Marlene King, Oliver Goldstick, Leslie Morgenstein and Joseph Dougherty. The series stars Troian Bellisario, Ashley Benson, Tyler Blackburn, Lucy Hale, Ian Harding, Laura Leighton, Shay Mitchell, Janel Parrish and Sasha Pieterse. 

Part of the Disney/ABC Television Group, ABC Family is distributed in over 97 million homes. ABC Family features programming reflecting today's families, entertaining and connecting with adults through relatable programming about today's relationships - told with a mix of diversity, passion, humor and heart. ABC Family's programming is a combination of network-defining original series and original movies, quality acquired series and blockbuster theatricals. For 2014, ABC Family has launched the "WATCH ABC Family" authenticated service which allows viewers with participating TV subscription services access to 24/7 live viewing of the network, as well as continued on demand access to such popular series at home and on the go via a wide array of devices. ABC Family is also the destination for annual Holiday events with "13 Nights of Halloween" and "25 Days of Christmas." ABC Family. A New Kind of Family.