Pretty Little Liars: Watch Season 4 Episode 17 Online

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As if a trip to the dentist's office weren't scary enough, viewers suffered through one particularly terrifying scene on Pretty Little Liars Season 4 Episode 17.

What else went down on an entertaining hour, one that picked up momentum in the second half?

We learned that Mike and Mona are dating… Ezra is getting more suspicious by the second (telling Aria that "people get what they deserve")… Spencer is getting closer to the truth about him… and Emily has complete PTSD.

She nearly stabbed her dad with a pair of scissors! See, we told you this was an entertaining hour.

What clues were uncovered? What questions will you have heading into next week? Watch Pretty Little Liars online now to find out:

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

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Pretty Little Liars Season 4 Episode 17 Quotes

Her handwriting is so sloppy it's like doing Mad Libs in reverse.


Hanna: The mystery dude we should be focusing on is Patterson.
Spencer: Patterson? Isn't that that kid in World History who's always sniffing his fingers?