Mona-Mania! Pretty Little Liars : Season 3 Episode 15
TV-14 Freeform 44m
Aired: January 15th, 2013 @ 8:00 PM EST on Freeform
A battle of the brains stresses Spencer, Aria learns of reasons to suspect her father of foul play, Hanna confronts Lucas, and Emily gets a fright in the woods.
