<P> Fixer Upper is an American reality television series airing on HGTV starring Chip and Joanna Gaines, based in Waco, Texas . </P> <Table> <Tr> <Th_colspan="2"> Season </Th> <Th_colspan="2"> Episodes </Th> <Th_colspan="2"> Originally aired </Th> </Tr> <Tr> <Th> First aired </Th> <Th> Last aired </Th> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> </Td> <Td_colspan="2"> 13 </Td> <Td_colspan="1"> May 23, 2013 (2013 - 05 - 23) </Td> <Td> July 10, 2014 (2014 - 07 - 10) </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> </Td> <Td_colspan="2"> 13 </Td> <Td_colspan="1"> January 6, 2015 (2015 - 01 - 06) </Td> <Td> March 31, 2015 (2015 - 03 - 31) </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> </Td> <Td_colspan="2"> 18 </Td> <Td_colspan="1"> December 1, 2015 (2015 - 12 - 01) </Td> <Td> March 29, 2016 (2016 - 03 - 29) </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> </Td> <Td_colspan="2"> 17 </Td> <Td_colspan="1"> November 29, 2016 (2016 - 11 - 29) </Td> <Td> March 28, 2017 (2017 - 03 - 28) </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> 5 </Td> <Td_colspan="2"> 18 </Td> <Td_colspan="1"> November 21, 2017 (2017 - 11 - 21) </Td> <Td> April 3, 2018 (2018 - 04 - 03) </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Season </Th> <Th_colspan="2"> Episodes </Th> <Th_colspan="2"> Originally aired </Th> </Tr>

How many seasons of fixer upper are there