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Looking to watch Pretty Little Liars Season 1 Episode 21 online? TV Fanatic is your destination for every paid and free streaming option of the Pretty Little Liars S1E21 full episode from 2 affiliates.

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Episode Details

Pretty Little Liars Season 1 Episode 21: "Monsters in the End"

The girls deal with relationships and feelings this week. But will the exposure of secrets come back to haunt them?