Ended · CBS · Premiered 1957 · 9 seasons so far · 271 episodes
Perry Mason has ended after 9 seasons.
Perry Mason has finished its run on CBS, wrapping up after 9 seasons and 271 episodes since 1957. It is listed as ended rather than cancelled, meaning it concluded as planned rather than being pulled mid-story.
The cases of master criminal defense attorney Perry Mason and his staff who handled the most difficult of cases in the aid of the innocent.
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Renewal status is derived from production data on The Movie Database (TMDB) and refreshed daily.