October 22, 2012 at 09:45 PM EDT

Pretty Little Liars‘ Tyler Blackburn and Keegan Allen are getting ready to answer fan questions during a live, one-hour Ustream event, hosted by EW’s own Tanner Stransky starting at 6 p.m. ET. The event will be streamed live on ABCFamily.com, the official Pretty Little Liars Facebook page, the official Ustream site, and right here on EW.com

And it’s just in time for tomorrow’s Halloween episode, which was previewed on EW.com last week. During the broadcast, viewers can submit questions to the official Pretty Little Liars Facebook page and on Twitter using #PLLChat.

Tanner on Twitter: @EWTanStransky

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