Question: when is the season finale of if loving you is wrong
Answer: Season Episodes Originally aired First aired Last aired 20 September 9 , 2014 ( 2014 - 09 - 09 ) May 26 , 2015 ( 2015 - 05 - 26 ) 22 September 22 , 2015 ( 2015 - 09 - 22 ) May 24 , 2016 ( 2016 - 05 - 24 ) 22 September 13 , 2016 ( 2016 - 09 - 13 ) May 30 , 2017 ( 2017 - 05 - 30 ) 18 September 19 , 2017 ( 2017 - 09 - 19 ) March 7 , 2018 ( 2018 - 03 - 07 )