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Season 1 - Oct. 11, 2006
Season 2 - Oct. 04, 2007
Season 3 - Oct. 30, 2008
Season 4 - Oct. 15, 2009
Season 5 - Sep. 23, 2010
Season 6 - Jan. 12, 2012
Season 7 - Oct. 04, 2012
30 Rock Season 5 Episode 21
HD
Overview:
With their show targeted for cancellation, the “TGS” crew desperately scramble to mount a top-notch production for their 100th episode. Meanwhile, Jack reconsiders a vital decision in his life, and Jenna mulls over motherhood.