When does Madam Secretary return?

Madam Secretary ran on CBS from September 21, 2014, to December 8, 2019, for a total of 120 episodes aired. It stars Téa Leoni as Elizabeth McCord, a former CIA analyst and political science professor. The first five seasons explore McCord's life as the reluctant but determined United States Secretary of State. At the end of the fifth season, McCord announces her candidacy for President of the United States; as the sixth season begins, the audience learns that she has won the election.
The first five seasons of Madam Secretary explore Elizabeth McCord's life as the reluctant but determined United States Secretary of State. At the end of the fifth season, McCord announces her candidacy for President of the United States. As the sixth season begins, the audience learns that she has won the election, and the remainder of the series follows her tenure as the first female president.