Question: how many episodes in season 1 of billions
Answer: Season Episodes Originally aired First aired Last aired 12 January 17 , 2016 ( 2016 - 01 - 17 ) April 10 , 2016 ( 2016 - 04 - 10 ) 12 February 19 , 2017 ( 2017 - 02 - 19 ) May 7 , 2017 ( 2017 - 05 - 07 )