Question: how many seasons are there of alaska the last frontier
Answer: Season Episodes Originally aired First aired Last aired December 29 , 2011 ( 2011 - 12 - 29 ) January 12 , 2012 ( 2012 - 01 - 12 ) 15 October 2 , 2012 ( 2012 - 10 - 02 ) June 15 , 2013 ( 2013 - 06 - 15 ) 23 October 6 , 2013 ( 2013 - 10 - 06 ) October 5 , 2014 ( 2014 - 10 - 05 ) 20 October 5 , 2014 ( 2014 - 10 - 05 ) March 1 , 2015 ( 2015 - 03 - 01 ) 5 20 October 4 , 2015 ( 2015 - 10 - 04 ) February 21 , 2016 ( 2016 - 02 - 21 ) 6 20 October 9 , 2016 ( 2016 - 10 - 09 ) February 17 , 2017 ( 2017 - 02 - 17 ) 7 20 September 15 , 2017 ( 2017 - 09 - 15 ) February 12 , 2018 ( 2018 - 02 - 12 )