Pretty Little Liars Return Promo: Who Are You Hiding From?

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Pretty Little Liars took fans on a trip to Ravenswood this week, as the drama's annual Halloween special spent a lot of time introducing a character who will be featured on its ABC Family spinoff.

But "Grave New World" also answered one of the show's longest-running questions, concluding the hour with quite a cliffhanger: Oh, yes, Alison is still alive!

From whom is she hiding? That's the main question that will be addressed when Pretty Little Liars Season 4 picks back up on January 7. What role does Ezra play in the mystery? And what other surprises, twists and turns are on the way?

Check out the following trailer for the series' winter premiere now:

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.

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Pretty Little Liars Quotes

What's next? Hiding in Melissa's closet? Rubbing her belly until the baby confesses?

Hanna

You know, Emily, sometimes you poke the bear, and other times the bear pokes. *sigh* It's from a movie.

Hanna