We know what Spencer will be up to on Pretty Little Liars Season 4 Episode 18:
Following her Board Shorts revelation on Pretty Little Liars Season 4 Episode 17, this student will be out to prove her theory about Ezra is correct... while popping some more pills in th process.
But what about Hanna? And/or Emily, especially when it comes to Alison and Shana? Where will "Hot for Teacher" find these characters?
View two clips from the installment now:
Watch Pretty Little Liars online if you need to catch up and then toggle through photos from this episode here: