Pretty Little Liars is prepared to celebrate Halloween early.
The ABC Family drama - which recently got renewed for Season 4 - airs "This is a Dark Ride" on October 23, its annual holiday standalone installment that serves as a nice appetizer before the main course of returning episodes in January.
This time around, the girls find themselves at a train-based party. One with poison on the menu? Watch this sneak peek and see why we ask: