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The HBO series will end its five year run on March 20, 2011.
February 10, 2011
Big Love fans will want to make a date for March 20, 2011. That's when HBO will air the series finale of the drama about a polygamy-practicing family.
On the air since March 2006, the show's finale will mark its 53rd episode after five successful seasons on HBO.
(Source: TV by the Numbers)