Diagnosis: Murder — Season 4

Sept 199645m

One police officer is accidentally shot by another during a raid gone wrong. Dr. Sloan investigates the victim's wife, the shooter, and a conniving lawyer when he suspects foul play.

Sept 199645m

A burglar inadvertently becomes infected with a deadly virus. Dr. Sloan and Jesse are subsequently exposed to the virus after Jesse stumbles upon the thief's dead body. Both Mark and Jesse are confined to Mark's home while Steve and Amanda investigate the drug company that manufactured the virus, in the hopes of discovering an antidote before Jesse runs out of time.

Oct 199645m

A figure skater hires her ex-coach to attack a rival skater. Dr. Sloan tries to prove her guilt.

Oct 199645m

Mark, Steve, et al, investigate a string of the so-called ""Casanova"" murders. Dr. Sloan loses his detached perspective when the killer begins calling Mark.

Oct 199645m

Mark, Steve, et al, investigate a string of the so-called ""Casanova"" murders. Dr. Sloan loses his detached perspective when the killer begins calling Mark.

Oct 199645m

Dr. Sloan investigates a photographer, the overly protective mother of Jesse's friend's fiancée, in the murder of a private investigator.

Oct 199645m

A respected cardiologist murders an innocent man in an insurance scam. Dr. Sloan reluctantly investigates his friend.

Oct 199645m

A young undercover detective investigates a militia-type organization to solve a terrorist bombing witnessed by Mark. She has to decide whether to risk blowing her cover and warn Dr. Sloan of an attempt on his life or finish her assignment.

Nov 199645m

A bus accident brings multiple victims into the hospital. Amanda does the bulk of the investigating when its discovered that a casualty in the accident was actually murdered.

Nov 199645m

His scheming advisor covers up the accidental death of the drug-addicted daughter of a U.S. Senator. Dr. Sloan and Amanda investigate.

Nov 199645m

An ADA sets out on a vendetta against an Asian youth, against both Mark and Steve's advice, after a drive-by shooting at a high school leaves one teacher dead.

Dec 199645m

Mark's daughter returns after eight years, leaving an abusive husband who later turns up dead.

Jan 199745m

When a famous prostitute writes a tell-all book, an executive's job at Community General is in serious jeopardy.

Jan 199745m

Mark investigates a 30-year old murder when the body of his old mentor is discovered entombed in a wall in the hospital.

Jan 199745m

Jesse is arrested and charged with murder after a doctor testifying against Jesse in a malpractice suit is poisoned. Mark convinces his old friend, Ben Matlock, to defend Jesse.

Feb 199745m

Amanda and Ben investigate the murder of Eric Spindler while Jesse continues to languish in jail.

Feb 199745m

Mark aids an old friend, Joe Mannix, in solving a 25-year-old, unsolved murder.

Feb 199745m

When a musician is found murdered at a Country Music Awards ceremony, Dr. Sloan and company rush to find the culprit before the show ends and the crowd disappears.

Feb 199745m

A devious psychologist uses hypnotism to facilitate his criminal acts, including the murder of his wife.

Apr 199745m

An aggressive female pharmaceuticals representative stalks the hospital's new chief of staff after a one-night-stand, hoping to break up his marriage and have him all for herself.

Apr 199745m

A beach boy involved with a gang member's sister is suspected of murdering him. Mark investigates.

Apr 199745m

Dr. Sloan investigates when an unpopular colleague drops dead while performing an operation. Mark investigates his fellow doctors when tests reveal the deceased was poisoned.

Apr 199745m

Dr. Sloan and Amanda investigate when the co-pilot of the airplance carrying them to a medical conference is murdered and the remainder of the flight crew are incapacitated with a mysterious illness.

May 199745m

A wealthy woman and her boyfriend dupe Mark and plot to murder her husband.

May 199745m

A bungling comedian seeks revenge on his former partner when he's cheated out of millions.

May 199745m

Dr. Sloan is stalked by a mad bomber whom he helped incarcerate. Norman and Mark are the main dissenters in negotiations to sell the hospital to a corporate raider.