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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 5 Episode 17
HD
Overview:
Blair thinks Cyrus may have found a potential loophole in her prenup. Chuck and Georgina partner up in a scheme, but it has an unpredictable outcome.. Meanwhile, a family crisis brings William van der Woodsen back to the Upper East Side.