The fifth season of Madam Secretary an American political drama television series, originally aired in the United States on CBS from October 7, 2018, through April 21, 2019.
This season was produced by CBS Television Studios, with Barbara Hall and Lori McCreary serving as showrunner and executive producer, respectively.
In May 2019, Madam Secretary was renewed for a sixth and final season.
[23] On May 15, it was revealed the sixth season, to consist of 10 episodes, would be the series' last.
[24] Season five of Madam Secretary premiered on October 7, 2018.