The Rosewood Halloween Ghost Train is the perfect setting for all of “A’s” tricks and treats -- so you definitely don't want to miss the upcoming Pretty Little Liars Halloween special. What kind of trouble will our Liars find this year? Tune in Tuesday, October 23 at 8/7c to find out. Until then, keep clicking through this chilling sneak peek gallery to see pictures straight from the episode!

Image from This Is a Dark Ride, which airs Tuesday, October 23 at 8/7c.

Want to get ready for the epic Halloween special? Be sure to watch Pretty Dirty Secrets -- the can't-miss web series that takes place in Rosewood's Halloween store!