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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.

Cranky but likable L.A. PI Jim Rockford pulls no punches (but takes plenty of them). An ex-con sent to the slammer for a crime he didn't commit, Rockford takes on cases others don't want, aided by his tough old man, his lawyer girlfriend and some shady associates from his past.

Mannix is an American television detective series that ran from 1967 through 1975 on CBS. Created by Richard Levinson and William Link and developed by executive producer Bruce Geller, the title character, Joe Mannix, is a private investigator. He is played by Mike Connors. Mannix was the last series produced by Desilu Productions.

The cases of a private investigations agency run by two Vietnam War veterans and their computer geek friend from high school, armed with toughness, their own helicopter, and the third's technical ability.

Wandering in and out of he underbelly of Los Angeles, where criminals roam free under the veil of night or hide in the shadows of day, is routine for Lieutenant Carter Shaw and his special undercover task force. This team understands that to bring down a criminal, one must first get on their level.

Robert McCall is a former agent of a secret government agency who is now running his own private crime fighting operation where he fashions himself as "The Equalizer." It is a service for victims of the system who have exhausted all possible means of seeking justice and have nowhere to go. McCall promises to even out the odds for them.

Hunter is an American police drama television series created by Frank Lupo, and starring Fred Dryer as Sgt. Rick Hunter and Stepfanie Kramer as Sgt. Dee Dee McCall, which ran on NBC from 1984 to 1991. However, Kramer left after the sixth season to pursue other acting and musical opportunities. In the seventh season, Hunter partnered with two different women officers. The titular character, Sgt. Rick Hunter, was a wily, physically imposing, and often rule-breaking homicide detective with the Los Angeles Police Department. The show's main characters, Hunter and McCall, resolve many of their cases by shooting dead the perpetrators. The show's executive producer during the first season was Stephen J. Cannell, whose company produced the series.

Matt Houston is an American crime drama series that aired on ABC from 1982 to 1985. Created by Lawrence Gordon, the series was produced by Aaron Spelling.

Sergeant “Pepper"” Anderson, an undercover cop for the Criminal Conspiracy Unit of the Los Angeles Police Department, poses undercover from mob girl to prostitute.

เรื่องราวของแพทริค เจน (ไซม่อน เบเกอร์) จิตแพทย์ชื่อดังที่เสียลูกและเมียไปด้วยน้ำมือของฆาตกรฆ่าต่อเนื่องนาม เรด จอห์น ซึ่งแพทริคจะใช้ความสามารถในอ่านใจ วิเคราะห์จิต สังเกตุพฤติกรรมต่างๆเพื่อช่วยตำรวจในการนำคนร้ายมาลงโทษด้วยกฏหมายในแต่ละตอน