Watch Pretty Little Liars Season 2 Episode 23 online via TV Fanatic with over 6 options to watch the Pretty Little Liars S2E23 full episode. Affiliates with free and paid streaming include Amazon, iTunes, Vudu, YouTube Purchase, Google Play, and Verizon On Demand.
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Someone from Alison's past emerges this week. Does Duncan hold the key to the mystery of Ali's death?