Ended · NBC · Premiered 1994 · 15 seasons so far · 331 episodes
ER has ended after 15 seasons.
ER has finished its run on NBC, wrapping up after 15 seasons and 331 episodes since 1994. It is listed as ended rather than cancelled, meaning it concluded as planned rather than being pulled mid-story.
ER explores the inner workings of an urban teaching hospital and the critical issues faced by the dedicated physicians and staff of its overburdened emergency room.
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Renewal status is derived from production data on The Movie Database (TMDB) and refreshed daily.