<P> Alaska: The Last Frontier is an American reality cable television series on the Discovery Channel, currently in its 7th season of broadcast . The show documents the extended Kilcher family, descendants of Swiss immigrants and Alaskan pioneers, Yule and Ruth Kilcher, at their homestead 11 miles outside of Homer . By living without plumbing or modern heating, the clan chooses to subsist by farming, hunting and preparing for the long winters . The Kilcher family are relatives of the singer Jewel, who has appeared on the show . </P> <P> Production occurs throughout the year on site . The production crew is based out of California . </P> <Table> <Tr> <Th_colspan="2"> Season </Th> <Th> Episodes </Th> <Th_colspan="2"> Originally aired </Th> </Tr> <Tr> <Th> First aired </Th> <Th> Last aired </Th> </Tr> <Tr> <Td> </Td> <Td> </Td> <Td> </Td> <Td> December 29, 2011 (2011 - 12 - 29) </Td> <Td> January 12, 2012 (2012 - 01 - 12) </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> <Td> 15 </Td> <Td> October 2, 2012 (2012 - 10 - 02) </Td> <Td> June 15, 2013 (2013 - 06 - 15) </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> <Td> 23 </Td> <Td> October 6, 2013 (2013 - 10 - 06) </Td> <Td> October 5, 2014 (2014 - 10 - 05) </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> <Td> 20 </Td> <Td> October 5, 2014 (2014 - 10 - 05) </Td> <Td> March 1, 2015 (2015 - 03 - 01) </Td> </Tr> <Tr> <Td> </Td> <Td> 5 </Td> <Td> 20 </Td> <Td> October 4, 2015 (2015 - 10 - 04) </Td> <Td> February 21, 2016 (2016 - 02 - 21) </Td> </Tr> <Tr> <Td> </Td> <Td> 6 </Td> <Td> 20 </Td> <Td> October 9, 2016 (2016 - 10 - 09) </Td> <Td> February 17, 2017 (2017 - 02 - 17) </Td> </Tr> <Tr> <Td> </Td> <Td> 7 </Td> <Td> 20 </Td> <Td> September 15, 2017 (2017 - 09 - 15) </Td> <Td> February 12, 2018 (2018 - 02 - 12) </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Season </Th> <Th> Episodes </Th> <Th_colspan="2"> Originally aired </Th> </Tr>

How many seasons are there of alaska the last frontier