The BEST episodes of Diagnosis Murder

Every episode of Diagnosis Murder ever, ranked from best to worst by thousands of votes from fans of the show. The best episodes of Diagnosis Murder!

"Diagnosis Murder" follows the adventures of Dr. Mark Sloan, an amiable and avuncular doctor who is also a genius at solving murders. Dr. Sloan is aided in his homicide investigations by his son, LAPD Lt. Steve Sloan, pathologist/medical examiner Dr. Amanda Bentley, and ER resident Dr. Jesse Travis.

Last Updated: 9/24/2024Network: CBSStatus: Ended
Share:
The Blair Nurse Project
star
9.16
37 votes

#1 - The Blair Nurse Project

Season 8 - Episode 22 - Aired 5/11/2001

When a filmmaker begins using Community General Hospital as the location for an eerie documentary, Dr. Sloan discovers it may be haunted.

Directors: Barry Van Dyke
Watch Now:Amazon
Witness to Murder
star
8.18
74 votes

#2 - Witness to Murder

Season 3 - Episode 2 - Aired 12/15/1995

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.

Watch Now:Amazon
Vanishing Act (2)
star
7.98
137 votes

#3 - Vanishing Act (2)

Season 1 - Episode 7 - Aired 12/17/1993

The same gang involved in the Schroeder murder kidnaps Mark's underworld friend, Gus Benedict. Jack and Mark try to save Benedict before time runs out.

Watch Now:Amazon
Obsession (1)
star
7.95
38 votes

#4 - Obsession (1)

Season 5 - Episode 24 - Aired 5/7/1998

Dr. Sloan insists that a man he helped condemn to death for a series of bombings is guilty, even after a post-execution explosion.

Watch Now:Amazon
Shanda's Song
star
7.91
114 votes

#5 - Shanda's Song

Season 1 - Episode 8 - Aired 1/7/1994

Dr. Sloan treats a famous singer,then takes her into his home as a homicidal closes in.

Directors: Neema Barnette
Writer: Craig Volk
Watch Now:Amazon
The Seven Deadly Sins
star
7.90
41 votes

#6 - The Seven Deadly Sins

Season 7 - Episode 10 - Aired 11/18/1999

Mark matches wits with a beautiful jewel thief who's being framed for murder.

Watch Now:Amazon
Gangland (1)
star
7.83
42 votes

#7 - Gangland (1)

Season 7 - Episode 7 - Aired 11/9/1999

Mark's life becomes hectic when a look-alike gangster moves to LA and is caught up in a struggle for power.

Directors: Victor Lobl
Watch Now:Amazon
Obsession (2)
star
7.82
34 votes

#8 - Obsession (2)

Season 5 - Episode 25 - Aired 5/14/1998

Three months after the execution of Lewis Sweeney, explosions are still rocking the LA area every four days. The unpopular Dr. Sloan continues his efforts to nail Carter Sweeney for the bombings.

Watch Now:Amazon
Playing God
star
7.82
34 votes

#9 - Playing God

Season 8 - Episode 10 - Aired 1/11/2001

Dr. Mark Sloan seeks the murderer who killed a med student, drained his blood, and stored him in the Community General morgue.

Watch Now:Amazon
The Restless Remains
star
7.81
148 votes

#10 - The Restless Remains

Season 1 - Episode 9 - Aired 1/14/1994

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.

Watch Now:Amazon
The Patient Detective
star
7.80
40 votes

#11 - The Patient Detective

Season 8 - Episode 5 - Aired 11/9/2000

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

Directors: Victor Lobl
Watch Now:Amazon
Murder x 4
star
7.79
39 votes

#12 - Murder x 4

Season 6 - Episode 10 - Aired 12/3/1998

Steve investigates a series of seemingly unconnected murders committed by terminally ill patients, to find the hidden thread.

Directors: Frank Thackery
Watch Now:Amazon
A Mime Is a Terrible Thing to Waste
star
7.76
41 votes

#13 - A Mime Is a Terrible Thing to Waste

Season 5 - Episode 11 - Aired 11/20/1997

A dead mime leads to an investigation of a crooked auto dealer. Randy Wolfe, a woman who's apparently an expert at everything, leads the investigation while continually annoying Steve.

Malibu Fire
star
7.75
40 votes

#14 - Malibu Fire

Season 5 - Episode 3 - Aired 10/2/1997

A Malibu Hills fire is the backdrop for rising tensions between the residents; a disgraced stockbroker, a naturalist, a worried father, and a land developer. A worried Dr. Sloan deals with his own parental fears when Steve helps fight the fire.

Watch Now:Amazon
Sins of the Father (2)
star
7.75
40 votes

#15 - Sins of the Father (2)

Season 8 - Episode 13 - Aired 2/9/2001

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

Directors: Victor Lobl
Writer: Joel Steiger
Watch Now:Amazon
Gangland (2)
star
7.75
36 votes

#16 - Gangland (2)

Season 7 - Episode 8 - Aired 11/9/1999

Susan Gibney [ Maya ], David Marciano [ Eddie Michaels ], Michelle Stafford [ Trish ], Robert Bailey Jr. [ CJ ], Rusty Burns [ Betsy ], Richard Cody [ Kip ], George W. Hartmann [ Tommy ], William Newman [ Chester Chumley ], Kathleen Lloyd [ Emma Bornstein ], Kevin McNally [ Paramedic ], Aaron J. Meeks [ Dion ], John W. Johnston [ Rick ], Patricia Place [ Mrs. Palmer ], Daniel Zacapa [ Waiter ], Channon Roe [ Lucas (uncredited) ] rc: Med Student Alex Mark's life becomes hectic when a look-alike gangster moves to LA and is caught up in a struggle for power.

Directors: Victor Lobl
Watch Now:Amazon
Murder at Midterm
star
7.75
44 votes

#17 - Murder at Midterm

Season 7 - Episode 4 - Aired 10/14/1999

A fiendish med student sells prescription pads to a drug dealer and murders his partner when she becomes too needy. Mark plays Columbo to nail the murderer.

Watch Now:Amazon
Blind Man's Bluff
star
7.74
38 votes

#18 - Blind Man's Bluff

Season 8 - Episode 2 - Aired 10/19/2000

Young woman is in a car accident and goes blind, Mark must figure out who committed the murder.

Directors: Frank Thackery
Writer: Joel Steiger
Watch Now:Amazon
The Flame
star
7.73
44 votes

#19 - The Flame

Season 7 - Episode 5 - Aired 10/21/1999

Steve investigates a murder in which the main suspect is the husband of Mark's old flame. Steve and Jesse date the same girl.

Writer: Joel Steiger
Watch Now:Amazon
All Dressed Up and Nowhere to Die
star
7.72
36 votes

#20 - All Dressed Up and Nowhere to Die

Season 8 - Episode 8 - Aired 12/7/2000

Mark goes after a man who killed a groom on his wedding day.

Directors: Bernie Kowalski
Watch Now:Amazon
The Roast
star
7.71
38 votes

#21 - The Roast

Season 7 - Episode 1 - Aired 9/23/1999

A comedy roast in Mark's honor is ruined by a double murder.

Writer: Mark Solomon
Watch Now:Amazon
Murder, My Suite
star
7.68
41 votes

#22 - Murder, My Suite

Season 6 - Episode 14 - Aired 1/28/1999

Mark, Jesse, and Amanda are trapped in a hotel when it's quarantined after a deadly virus is released. They struggle to contain the virus, while at the same time trying to locate its origin. Meanwhile, a scheming seductress carries out her plan, using the virus as a diversion to rob a nearby bank vault.

Watch Now:Amazon
The Last Resort
star
7.67
42 votes

#23 - The Last Resort

Season 6 - Episode 9 - Aired 11/19/1998

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.

Writer: Paul Bishop
Watch Now:Amazon
The Mouth That Roared
star
7.64
36 votes

#24 - The Mouth That Roared

Season 7 - Episode 9 - Aired 11/11/1999

An outgoing radio host who's hunting for her birth mother is suspected of murdering a phony mother. Jesse's mother visits.

Directors: Terrence O'Hara
Watch Now:Amazon
Sleeping Murder
star
7.63
41 votes

#25 - Sleeping Murder

Season 7 - Episode 2 - Aired 9/30/1999

Mark worries that his sleepwalking brother may be guilty of murder.

Directors: Ron Satlof
Writer: Chris Abbott
Watch Now:Amazon