Check out this flashback scene. Courtesy of "If at First You Don't Succeed, Lie, Lie Again," it sheds some light on the past between Spencer and Alison.
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The Pretty Little Liars ponder a picture of Alison in this scene. They seem to have a new suspect: Jason, Ali's brother.
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Emily has a new swim team rival. In this clip, she makes a threat to Emily, who doesn't respond to it well.
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Hey, don't talk about the Biebs! Hanna sets a fellow student straight in this clip from the 1/31/11 episode.
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Spencer helps Aria continue to date Ezra in this clip from Pretty Little Liars. Hanna doesn't exactly approve.
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"You are dead to me already!" So cries on Pretty Little Liar in this promo, which teases a major riff between the girls.
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What if the A video is a set up? Spencer asks that question in this clip from Pretty Little Liars.
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Aria stops by Ezra's apartment in this clip from "Careful What U Wish 4." Prepare for things to get a tad awkward.
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Emily tries to get in touch with Maya in this scene from Pretty Little Liars. She doesn't have any success.
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Careful what you wish for, Pretty Little Liars. You never know if you'll be happy with the outcome, as previewed here.
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The girls are closer than ever to knowing the truth about A. So teases this preview for "Know Your Frenemies."
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Ready to flashback to the day Alison disappeared? This clip from "Salt Meets Wound" takes us there.
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Pretty Little Liars Quotes

You think the truth is this big shiny disco ball of purity then go ahead and try it. See what it gets you. Telling the truth to the wrong person at the wrong time is how I ended up where I did. Take it from me you're always better off with a really good lie.

Alison

Come on, giddy up little doggy.

Caleb