The Return of Frank Cannon

 The Return of Frank Cannon (TV Movie)

Cannon is an American detective television series produced by Quinn Martin that aired from 1971 to 1976 on CBS. William Conrad played the title character, private detective Frank Cannon. The series was the first Quinn Martin production to run on a network other than ABC.

In total, there were 122 episodes, plus the series' two-hour pilot and a 1980 "revival" television film, The Return of Frank Cannon.