Pretty Little Liars writer, Joseph Dougherty shared on Twitter that the cast and crew just started filming season 3 episode 24 this week....
@plldailynfans 324 starts shooting next week.
— Joseph Dougherty (@Kockenlocker) November 2, 2012
...and soon after, Ella Montgomery actress, Holly Marie Combs also shared on Twitter - that something fun will be coming to Rosewood. Er, at least, it sounds like fun. But knowing Pretty Little Liars, it will probably be anything but fun.
— Holly Marie Combs (@H_Combs) November 6, 2012
So, why do you think a carnival is coming to Rosewood in episode 24?