Watch Madam Secretary Season 4 Episode 21 online via TV Fanatic with over 7 options to watch the Madam Secretary S4E21 full episode. Affiliates with free and paid streaming include Amazon, iTunes, Vudu, Netflix, CBS All Access, Verizon On Demand, and CBS All Access (Via Amazon Prime).
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On Madam Secretary Season 4 Episode 21, Elizabeth's hopes of getting a country to close its dam fade after its government suddenly goes dark during a coup.