Pretty Little Liars brought the adults further into the picture this week, as viewers attended the Father/Daughter dance in Rosewood.

Up next? An episode titled "Eye of the Beholder," which will raise the question: Can Jenna now see?!?

Elsewhere, a mysterious guy named Duncan will surface. What does this individual from Alison's past want? Can the girls trust him? Also: look for Jason to come through with a bag of his late sister's effects. How might these come in to play?

Ponder all these questions and check out both the U.S. and the Canadian trailers for the installment now:

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