19 September 1996 – 8 May 1997 MAIN CHARACTERSCREW Episodes Copyright 1996 (1-12) – 1997 (13-26)Diagnosis Murder - Season 4Diagnosis Murder – Murder by Friendly FireDiagnosis Murder – Murder by Friendly FireDiagnosis Murder – Murder Can Be ContagiousDiagnosis Murder – Murder Can Be ContagiousDiagnosis Murder – Murder on Thin IceDiagnosis Murder – Murder on Thin IceDiagnosis Murder – X Marks the Murder: Part 1Diagnosis Murder – X Marks the Murder: Part 1Diagnosis Murder – X Marks the Murder: Part 2Diagnosis Murder – X Marks the Murder: Part 2Diagnosis Murder – A Model MurderDiagnosis Murder – A Model MurderDiagnosis Murder – Murder Can Be MurderDiagnosis Murder – Murder Can Be MurderDiagnosis Murder – An Explosive MurderDiagnosis Murder – An Explosive MurderDiagnosis Murder – Murder by the BusloadDiagnosis Murder – Murder by the BusloadDiagnosis Murder – A Candidate for MurderDiagnosis Murder – A Candidate for MurderDiagnosis Murder – The ABC’s of MurderDiagnosis Murder – The ABC’s of MurderDiagnosis Murder – Murder in the FamilyDiagnosis Murder – Murder in the FamilyDiagnosis Murder – In Defense of MurderDiagnosis Murder – In Defense of MurderDiagnosis Murder – A History of MurderDiagnosis Murder – A History of MurderDiagnosis Murder – Murder Two: Part 1Diagnosis Murder – Murder Two: Part 1Diagnosis Murder – Murder Two: Part TwoDiagnosis Murder – Murder Two: Part Two1 2 Next » ← Season 3Season 5 →