Question: when is madam secretary season 4 episode 13 airing
Answer: 25 81 13 `` Reading the Signs '' Phil Bertelsen Moira Kirland March 11 , 2018 ( 2018 - 03 - 11 ) TBD 82 14 `` Refuge '' Eric Stoltz Kristi Korzec March 18 , 2018 ( 2018 - 03 - 18 ) TBD