Watch Gossip Girl Season 1 Episode 3 Poison Ivy Online

Chuck discovers that Serena had been going to the Ostroff Center, and concludes that she is receiving treatment for drug abuse, although Eric is the one there for depression. Chuck reveals this to Blair, and she exposes this in front of the Ivy League representatives. Eric tells Blair about his condition, and Blair apologizes to Serena as they reconcile.
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