Hostages - Season 1, Episode 04: Part Four:

The series finale finds both Iran and America in an exhausting, entrenched stalemate one year into the siege. As the Carter administration works furiously to secure a deal, the presidential election of 1980 approaches. Ultimately, the hostages are released on the day of Ronald Reagan's inauguration, and lingering questions remain about the role of the crisis in the American election. Although the U.S. hostages are ultimately returned, the individuals on all sides are impacted for life and the relationship between the two countries is changed forever.