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Season 1 - May. 19, 2009
Season 2 - Sep. 21, 2010
Season 3 - Sep. 20, 2011
Season 4 - Sep. 13, 2012
Season 5 - Sep. 26, 2013
Season 6 - Jan. 09, 2015
Glee Season 4 Episode 20
HD
Overview:
When the power goes out at McKinley High, Will and Finn enlist the members of New Directions to “unplug” and perform acoustic numbers. Meanwhile, Isabelle Wright asks Kurt to volunteer at the Vogue.com charity event, with Rachel and Santana in tow.