Pretty Little Liars introduced viewers to a new character this week and, perhaps even more importantly, inched an episode closer to the reveal of A. That mystery will be unraveled on the March 19 season two finale.

In between, however, viewers will bear witness to "If These Dolls Could Talk," next Monday's new installment. Look for the gals to visit a doll hospital during the hour, where they run into a little boy who may know more than he initially lets on.

Elsewhere, as teased in the following promos, we learn the results of Jenna's surgery. What sort of changes will it bring about? Watch and get excited now:

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