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Looking to watch Pretty Little Liars Season 1 Episode 20 online? TV Fanatic is your destination for every paid and free streaming option of the Pretty Little Liars S1E20 full episode from 2 affiliates.

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Episode Details

Pretty Little Liars Season 1 Episode 20: "Someone to Watch Over Me"

Hanna learns disturbing news about Caleb on this episode. The girls also realize that someone else in town has a major secret.

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