Watch Pretty Little Liars Season 4 Episode 17 online via TV Fanatic with over 6 options to watch the Pretty Little Liars S4E17 full episode. Affiliates with free and paid streaming include Amazon, iTunes, Vudu, YouTube Purchase, Google Play, and Verizon On Demand.

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Episode Details

Aria gets upset with Mike on this Pretty Little Liars episode. Elsewhere, Spencer is all about solving the mystery of Ali's diary.

Rating: 4.5 / 5.0 (66 Votes)
Pretty Little Liars
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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?