The Americans (2013–2018)

The Americans (2013–2018) is the most consistently praised Cold War spy thriller ever, earning a 96% Rotten Tomatoes score across its six seasons. Its 75-episode arc sustains tension longer than #9 Fleabag's brief run, and the series finale drew 2.2 million viewers, beating typical drama averages. The show tops comparable espionage narratives with its realistic pacing and character complexity.