Pretty Little Liars 2010 | TV Show Watchlist

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Four estranged friends are reunited because of mysterious messages that suggest their missing friend is watching them and that someone knows their deepest secrets. Based on the series of books by Sara Shepard.

Premiered: June 8, 2010

Rating: TV-14

User Rating:4.19 out of 5 (823 ratings)

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Season 1, Episode 22 For Whom the Bell Tolls

First Aired: March 21, 2011

In the first-season finale, the girls recruit an unexpected ally to assist them in stopping "A."

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Monsters in the End

Season 1, Episode 21

March 14, 2011

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It's Alive

Season 2, Episode 1

June 14, 2011