Madam Secretary (season 4) Country of origin United States No. of episodes 22 Release Original network CBS Original release October 8, 2017 (2017 - 10 - 08) -- May 20, 2018 (2018 - 05 - 20) Season chronology ← Previous Season 3 List of Madam Secretary episodes
how many episodes of season 4 of madam secretary
22