Though technically the finale (spanning episodes 21 and 22), the season 4 conclusion involves a massive secret being revealed.
You can find a detailed review and analysis of its political relevance on Star Trek Forever or read about its iconic civil liberties speech . The West Wing [S4E21] The Last Word
A comprehensive breakdown of the episode's intricate plot and political fallout is available at Keg of Glory . The Blacklist Though technically the finale (spanning episodes 21 and
: "The Double Death of the Dearly Departed." Discussion regarding character motivations for this episode can be found on Reddit . The Blacklist finale recap: 'Mr. Kaplan: Conclusion' [S4E21] The Last Word
Depending on which show you are referring to, here are the most relevant "papers" or guides: