Preview Clip of Pretty Little Liars Season 3, Episode 20: "People Change" (VIDEO) Tweet February 13, 2013 at 10:49AM EST by Rebecca Martin Related: Pretty Little Liars, Spencer Hastings , Ella Montgomery , Season 3 , Season 3 Episode 20 Credit: ABC Family © 2013 Disney ABC Television Group Poor Spencer (Troian Bellisario). In this sneak peek of Pretty Little Liars Season 3, Episode 20: "Hot Water" (February 19), it's clear Toby's (Keegan Allen) betrayal is still weighing her down, big time.
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