PRETTY LITTLE LIARS: Photos from the Halloween Flashback Episode

This Halloween, the Pretty Little Liars are traveling in time. On October 19, fans will flashback to a Halloween party before Alison’s death for a glimpse at life before secrets and lies generated enough strength and angst to send a non-fictional character into a mental breakdown.

Our own Reuben will bring us teasers from her visit to the set soon, but until then, see Spencer, Emily, Hanna, Aria, Mona, Jenna and a very-much-alive Alison in their costumes the promotional photos just released for the episode. “The First Secret” airs Wednesday, October 19 at 8/7 on ABC Family.