
Cannon is a CBS detective television series produced by Quinn Martin which aired from March 26, 1971 to March 3, 1976. The primary protagonist is the title character, private detective Frank Cannon, played by William Conrad. He also appeared on two episodes of Barnaby Jones. Cannon is the first Quinn Martin-produced series to be aired on a network other than ABC. A "revival" television film, The Return of Frank Cannon, was aired on November 1, 1980. In total, there were 124 episodes.
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Last updated 6/6/2026
Rows are episode numbers, columns are seasons. Every rated cell shows its numeric score.
Weighted episode-level summaries calculated from the configured ratings source.
Best episode
S4E16 Perfect Fit for a Frame (8.5)
Consistency score
93/100
Std dev 0.35
Rated episodes
119
13,564 total votes
Each point is a rated episode. Hover or focus a point for episode details.
Availability may vary by region. Showing US provider data.
More shows with overlapping genres and rating patterns.
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