Halloween Pretty Little LiarsCourtesy (2)

Halloween is very soon upon us—next Wednesday!—and that means one thing: the spookiest episodes of our favorite TV shows are airing this week. The Monster influx kicks off tonight with ABC Family’s Pretty Little Liars. After the shocking conclusion of last season, Ashley Benson’s Hanna, Lucy Hale’s Aria, Shay Mitchell’s Emily, and the rest of the gang are back for more Team A sleuthing, but this time, they’re doing it in costume and aboard the Rosewood Halloween Ghost Train. Tune in tonight at 8 p.m. EST to see Mitchell dressed as a space-age fighter, Hale as a flapper, and more surprises.

Plus, see Ashley and Lucy model for Bongo.

PRETTY LITTLE LIARS

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Details on the Pretty Little Liars finale
How Shay Mitchell Gets Her Pretty Waves
• Read Our Twitterview with Shay Mitchell!