Pretty Little Liars Season 3, Episode 15 Sneak Peek: Paige Is Worried (VIDEO) Tweet January 10, 2013 at 06:12PM EST by Rebecca Martin Related: Pretty Little Liars, Sneak Peeks , Emily Fields , Paige McCullers , Season 3 , Season 3 Episode 15 Credit: YouTube Air date: January 15, 2013. With everything the Liars have been through, you'd think they'd be a bit more cautious these days. But based on this sneak peek of Pretty Little Liars Season 3, Episode 15: "Mona-Mania!" (January 15), it looks like Emily (Shay Mitchell) refuses to back down.