The Insider.com

As we get closer and closer to A-day (March 19!), new bits of information become harder and harder to come by -- but that hasn't stopped this resourceful writer from getting his grubby little paws on two new sneak peek clips from Monday's episode!

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Meet the Girl Behind Jenna's Glasses

Titled Eye of the Beholder, it revolves around Jenna's post-surgical return to Rosewood! And while we'll have to wait a bit to find out if she regained some eyesight, there's lots else to see in the hour. Like, the deepening of the Vivian Darkbloom mystery -- and the arrival of Duncan, a figure from Ali's past that may hold the key to unraveling this whole mystery!

Watch a pair of sneak peek clips that address both of those storylines head on!

Pretty Little Liars airs Mondays at 8 p.m. on ABC Family.