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The Best Episodes of Diagnosis: Murder

Every episode of Diagnosis: Murder ranked from best to worst. Let's dive into the Best Episodes of Diagnosis: Murder!

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Dr. Mark Sloan is a good-natured, offbeat physician who is called upon to solve murders.

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Episode Rankings

  1. #1 Fan Favorite
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    Diagnosis: Murder Season 4 Episode 15 - Murder Two (1)
    10.0/10(1 votes)

    #1 - Murder Two (1)

    S4:E15

    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.

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  2. Diagnosis: Murder Season 6 Episode 13 - Voices Carry
    8.4/10(105 votes)

    #2 - Voices Carry

    S6:E13

    Newly retired detective Harry Trumble returns to the force when it appears 'The Clown Killer', a murderer Trumble chased for more than a decade, has emerged from obscurity to kill again. Mark is reluctant to help Harry investigate the Clown, in part due to a rift between the two, but also because Mark suspects Harry has something to do with the Clown's reappearance.

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  3. Diagnosis: Murder Season 3 Episode 10 - Living on the Streets Can Be Murder
    8.3/10(122 votes)

    #3 - Living on the Streets Can Be Murder

    S3:E10

    Dr. Sloan investigates a free health clinic after several homeless people turn up dead... with missing organs.

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  4. Diagnosis: Murder Season 8 Episode 12 - Sins Of The Father (1)
    8.3/10(107 votes)

    #4 - Sins Of The Father (1)

    S8:E12

    A young woman is assassinated while Dr. Mark Sloan is examining her, setting off an investigation that plunges Mark into dark memories of his own childhood.

    Director:Victor Lobl

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  5. Diagnosis: Murder Season 3 Episode 7 - Love is Murder
    8.2/10(105 votes)

    #5 - Love is Murder

    S3:E7

    Steve heads up the investigation when a serial cop killer is on the prowl, while inadvertantly dating the killer.

    Director:Tom Chehak
    Writer:Nan Hagan

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  6. Diagnosis: Murder Season 6 Episode 12 - Trapped in Paradise
    8.2/10(105 votes)

    #6 - Trapped in Paradise

    S6:E12

    Steve goes undercover as a doctor in a private community after several mysterious deaths occur within its confines. Steve is 'aided' by a tabloid reporter posing as his wife.

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    The 20 WORST Episodes of Diagnosis: Murder

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  8. Diagnosis: Murder Season 7 Episode 11 - Santa Claude
    8.2/10(98 votes)

    #7 - Santa Claude

    S7:E11

    Hospital horticulturist Claude is revealed to be an escaped convict living under an assumed name for the past 10 years. Mark fights to shelter Claude from extradition while striving to prove his innocence.

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  9. Diagnosis: Murder Season 8 Episode 13 - Sins Of The Father (2)
    8.2/10(92 votes)

    #8 - Sins Of The Father (2)

    S8:E13

    Mark must find out why his dad left him as a child.

    Director:Victor Lobl

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  10. Diagnosis: Murder Season 2 Episode 3 - Woman Trouble
    8.1/10(117 votes)

    #9 - Woman Trouble

    S2:E3

    Two women involved in a love triangle plot to murder a man, take his millions, and leave the country. Dr. Sloan investigates after his friend's mysterious disappearence.

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  11. Diagnosis: Murder Season 5 Episode 4 - Deadly Games
    8.1/10(111 votes)

    #10 - Deadly Games

    S5:E4

    Community General is already under increased security, with a high-profile criminal hospitalized, when an important businesswoman is brought in. Mark suspects her security guard has deadly intentions.

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  12. Diagnosis: Murder Season 8 Episode 5 - The Patient Detective
    8.1/10(107 votes)

    #11 - The Patient Detective

    S8:E5

    Steve nearly dies in a car accident and think a murder happens. No one believes him.

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  13. Diagnosis: Murder Season 8 Episode 7 - Hot House
    8.1/10(104 votes)

    #12 - Hot House

    S8:E7

    An abusive man who, along with four other people, was a contestant on a reality show is murdered while living in a house that is monitored 24 hours a day. After the killing, Mark enters the house as the man's replacement to see if he can uncover what happened.

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  14. Diagnosis: Murder Season 8 Episode 16 - Being of Sound Mind
    8.1/10(98 votes)

    #13 - Being of Sound Mind

    S8:E16

    Dr. Sloan tries to save Jesse and Amanda from a murderer who is out to kill them in order to obtain a multi-million dollar inheritance.

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  15. Diagnosis: Murder Season 3 Episode 2 - Witness to Murder
    8.0/10(110 votes)

    #14 - Witness to Murder

    S3:E2

    Dr. Sloan takes in an abandoned young girl found at the scene of a murder, while Steve and Jesse go about tracking down the killer.

    Director:Paris Barclay
    Writer:Unknown

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  16. Diagnosis: Murder Season 5 Episode 16 - Rain of Terror
    8.0/10(143 votes)

    #15 - Rain of Terror

    S5:E16

    A spat between a girl and her boyfriend leads to an apparent murder, leaving the girl and her mother with a dead body, just as dinner guests Mark and Amanda arrive. Panic sets in, when the body disappears, the power goes out, the roads are impassable, and the attacks begin.

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  17. Diagnosis: Murder Season 6 Episode 9 - The Last Resort
    8.0/10(120 votes)

    #16 - The Last Resort

    S6:E9

    Steve and his abrasive, confrontational partner are confined to a therapy home for 90 days after Steve shoots and kills a fleeing suspect. Steve's partner, Reggie, believes his wife and daughter are being held hostage by his nemesis, a belief that is furthered by a series of delusional events. On the outside, Jesse and Amanda work with Tanis Archer to solve the murder of a lab technician.

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  18. Diagnosis: Murder Season 7 Episode 20 - Murder at BBQ Bob's
    8.0/10(101 votes)

    #17 - Murder at BBQ Bob's

    S7:E20

    Steve teams with a Naval Investigator when the apparent suicide of a military officer turns into a cold-blooded murder.

    Director:Victor Lobl

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  19. Diagnosis: Murder Season 1 Episode 9 - The Restless Remains
    7.9/10(136 votes)

    #18 - The Restless Remains

    S1:E9

    Financier Robin westlin dies in Dr. Sloan's house, but when the paramedics at the scene, the body's gone. Everyone is certain the event was a figment of Mark's imagination. Dr. Sloan goes on a quest to validate his theory.

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  20. Diagnosis: Murder Season 1 Episode 18 - The Plague
    7.9/10(107 votes)

    #19 - The Plague

    S1:E18

    A gangland 'protector' under surveillance by Steve becomes infected with the plague when a medicine bottle is mysteriously switched. Dr. Sloan tries to find the source of the virus before the murderer starts an epidemic.

    Director:Peter Ellis

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  21. Diagnosis: Murder Season 2 Episode 11 - Death By Extermination
    7.9/10(135 votes)

    #20 - Death By Extermination

    S2:E11

    The body of a dead real estate agent is found in the walk-in closet of Mark's sister's new house. Mark and Steve have to work around Dora Sloan's annoying habits while investigating the murder.

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  22. Diagnosis: Murder Season 2 Episode 16 - A Blast From the Past
    7.9/10(115 votes)

    #21 - A Blast From the Past

    S2:E16

    One of Steve's old ""collars"" gets out of prison and comes looking for revenge.

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  23. Diagnosis: Murder Season 3 Episode 5 - Murder on the Run (1)
    7.9/10(103 votes)

    #22 - Murder on the Run (1)

    S3:E5

    A man wrongfully convicted of murder takes Dr. Sloan hostage. Dr. Sloan hears his story and works to prove the man's innocence. Jesse works feverishly to rescue Mark.

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  24. Diagnosis: Murder Season 3 Episode 6 - Murder on the Run (2)
    7.9/10(106 votes)

    #23 - Murder on the Run (2)

    S3:E6

    Dr. Sloan shields George Karn from both Steve and Lt. Delaney while investigating his wife's murder.

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  25. Diagnosis: Murder Season 3 Episode 18 - Left-Handed Murder
    7.9/10(106 votes)

    #24 - Left-Handed Murder

    S3:E18

    Dr. Sloan is the executor of his friend, Preston Michael's, estate after Michaels is found in the body of a shark. Things turn interesting after traces of poison are found in Michaels' body and three women, all apparently married to Michaels, attend the reading of the will.

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  26. Diagnosis: Murder Season 5 Episode 1 - Murder Blues
    7.9/10(147 votes)

    #25 - Murder Blues

    S5:E1

    Steve becomes embroiled in political intrigue after the murder of a city councilman's wife appears to be part of a larger political strategy. Steve investigates two mayoral candidates, the councilman and the chief of police, as well as a rogue detective and his partner, all with strong motives.

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Best Episodes Summary

"Murder Two (1)" is the best rated episode of "Diagnosis: Murder". It scored 10/10 based on 1 votes. Directed by Christopher Hibler and written by Joel Steiger, Gerald Sanoff, it aired on 1/30/1997. This episode scored 1.6 points higher than the second highest rated, "Voices Carry".