Spencer and Toby! Dr. Sullivan and Alison! Emily and Maya! We Preview the PRETTY LITTLE LIARS Mid-Season Finale with Stars Troian Bellisario and Shay Mitchell

Just how high are the stakes with regards to the upcoming mid-season finale of PRETTY LITTLE LIARS? So life and death that theTVaddict.com’s West Coast Correspondent Tiffany Vogt was invited to the set of the hit ABC Family series earlier in the week to talk to Rosewood’s most wanted. But just what did stars Troian Bellisario and Shay Mithchell have to say about “A,” the disappearance of Doctor Sullivan what fans can expect what will surely be Tuesday’s jaw-dropper of a mid-season finale? Find out for yourself after the jump.

PRETTY LITTLE LIARS’ mid-season finale airs Tuesday August 30 at 8PM on ABC Family (MuchMusic in Canada). Catch up with past episodes you may have missed for free online at clicktowatch.tv