This movie debuted at the Toronto International Film Festival on September 14, 2011.
http://en.wikipedia.org/wiki/2011_Toronto_International_Film_Festival
http://en.wikipedia.org/wiki/Jeff_Who_Lives_at_Home
Additionally the film debuted at the Austin Film Festival on Octobe 22, 2011.
http://en.wikipedia.org/wiki/Austin_Film_Festival#2011
Both are listed here:
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