Question: When is the final episode of madam secretary?
qaPairs: question: When is the final episode of season 4 of madam secretary?
answer: May 20, 2018
question: When is the final episode of season 3 of madam secretary?
answer: May 21, 2017
question: When is the final episode of season 2 of madam secretary?
answer: May 8, 2016