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Season 1 - Sep. 19, 2007
Season 2 - Sep. 01, 2008
Season 3 - Sep. 14, 2009
Season 4 - Sep. 13, 2010
Season 5 - Sep. 26, 2011
Season 6 - Oct. 07, 2012

Gossip Girl Season 3 Episode 17
HD
Overview:
Chuck and Blair are faced with the most difficult decision they have ever faced as a couple. Serena plans a surprise birthday party for Nate, but Jenny does her best to sabotage Serenas