Season 4

01 Kelly's Song Episode 111th September 1974 A former hooker goes back on the hoof to catch a big wheel. 02 The Hit Man Episode 218th September 1974 Not a vocation, more like a calling. Cannon is mistaken for a bishop's assassin. 03 Voice From the Grave Episode 325th September 1974 Cannon reopens the case of an old shooting. 04 Lady in Red Episode 42nd October 1974 Cannon bodyguards a securities courier. 05 The Deadly Trail Episode 516th October 1974 A general wants Cannon to find the daughter he put up for adoption years before, but there is opposition to the search. 06 The Exchange Episode 623rd October 1974 A Cuban exile wants revenge for his brother's death at the hands of police. 07 The Avenger Episode 730th October 1974 A missing person case leads to a cop's death and the pursuit of vengeance. 08 A Killing in the Family Episode 86th November 1974 Cannon deals with an insurance company in a suspicious auto accident. 09 Flashpoint Episode 913th November 1974 A psychiatric patient falls in with bad company and is accused of rape and murder. 10 The Man Who Couldn't Forget Episode 1020th November 1974 A Dutch Nazi-hunter is on the trail of an SS man. 11 The Sounds of Silence Episode 114th December 1974 Cannon reluctantly takes the case of a disappearing bridegroom, but it's more than it appears. 12 The Prisoner Episode 1211th December 1974 An ex-POW is in danger from a cowardly officer. 13 Daddy's Little Girl Episode 1318th December 1974 A football player doesn't know his father-in-law is a mob boss. 14 The Conspirators Episode 141st January 1975 A girl's suspicious death brings Cannon to Texas. 15 Coffin Corner Episode 1515th January 1975 A torpedo plays dead to testify, but the mob sniffs him out. 16 Perfect Fit for a Frame Episode 1622nd January 1975 Cannon gets set up for a murder charge. 17 Killer On the Hill Episode 1729th January 1975 A contractor refuses to pay bribes, and is accused of plotting a political asassination. 18 Missing at FL307 Episode 185th February 1975 A released prisoner disappears en route. 19 The Set Up Episode 1912th February 1975 A case of mistaken identity: Cannon is greeted by a stranger, and later almost killed. 20 The Investigator Episode 2026th February 1975 A case of police corruption and the death of a reporter. 21 Lady On the Run Episode 215th March 1975 The wife of an industrialist is missing, and the search is a difficult one. 22 Vengeance Episode 2212th March 1975 Cannon's help is sought by a man who went to jail without reason. 23 Tomorrow Ends at Noon Episode 2319th March 1975 Palestinian terroists kidnap an Italian industrialist's daughter to free a jailed comrade. 24 Search and Destroy Episode 242nd April 1975 Cannon searches for a missing girl who's on the lam after witnessing a murder.