Season Episodes Originally aired First aired Last aired 5 January 5 , 2014 ( 2014 - 01 - 05 ) February 9 , 2014 ( 2014 - 02 - 09 ) 10 November 4 , 2014 ( 2014 - 11 - 04 ) January 13 , 2015 ( 2015 - 01 - 13 ) 13 November 10 , 2015 ( 2015 - 11 - 10 ) February 2 , 2016 ( 2016 - 02 - 02 ) 16 November 15 , 2016 ( 2016 - 11 - 15 ) February 21 , 2017 ( 2017 - 02 - 21 ) 5 18 November 7 , 2017 ( 2017 - 11 - 07 ) March 6 , 2018 ( 2018 - 03 - 06 )

Question: how many episodes of season 5 of curse of oak island
Answer: 18