Question: how many episodes are there in season 1 of the killing
Answer: Season Episodes Originally aired First aired Last aired Network 13 April 3 , 2011 ( 2011 - 04 - 03 ) June 19 , 2011 ( 2011 - 06 - 19 ) AMC 13 April 1 , 2012 ( 2012 - 04 - 01 ) June 17 , 2012 ( 2012 - 06 - 17 ) 12 June 2 , 2013 ( 2013 - 06 - 02 ) August 4 , 2013 ( 2013 - 08 - 04 ) 6 August 1 , 2014 ( 2014 - 08 - 01 ) Netflix