The BEST Episodes of Diagnosis Murder
Every episode ever - ranked by fan votes!
Last Updated: Aug 20, 2020
"Diagnosis Murder" follows the adventures of Dr. Mark Sloan (Dick Van Dyke), 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 (Barry Van Dyke), pathologist/medical examiner Dr. Amanda Bentley (Victoria Rowell), and ER resident Dr. Jesse Travis (Charlie Schlatter).
#1 - The Blair Nurse Project
Season 8 - Episode 22 - Aired May 11, 2001
When a filmmaker begins using Community General Hospital as the location for an eerie documentary, Dr. Sloan discovers it may be haunted.
#2 - Witness to Murder
Season 3 - Episode 2 - Aired Dec 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.
#3 - Murder Two (1)
Season 4 - Episode 15 - Aired Jan 30, 1997
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.
#4 - Obsession (1)
Season 5 - Episode 24 - Aired May 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.
#5 - Murder x 4
Season 6 - Episode 10 - Aired Dec 3, 1998
Steve investigates a series of seemingly unconnected murders committed by terminally ill patients, to find the hidden thread.
#6 - Shanda's Song
Season 1 - Episode 8 - Aired Jan 7, 1994
Dr. Sloan treats a famous singer,then takes her into his home as a homicidal closes in.
#7 - Obsession (2)
Season 5 - Episode 25 - Aired May 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.
#8 - Playing God
Season 8 - Episode 10 - Aired Jan 11, 2001
Dr. Mark Sloan seeks the murderer who killed a med student, drained his blood, and stored him in the Community General morgue.
#9 - Delusions of Murder
Season 4 - Episode 19 - Aired Feb 27, 1997
A devious psychologist uses hypnotism to facilitate his criminal acts, including the murder of his wife.
#10 - Rear Windows '98
Season 6 - Episode 8 - Aired Nov 12, 1998
Amanda enlists Jesse's computer-nerd friends to find a killer, after she accidentally surfs across an on-line murder. Meanwhile, Jesse's girlfriend, Susan, comes down with a case of food poisoning after dining at Barbecue Bob's.
#11 - Gangland (1)
Season 7 - Episode 7 - Aired Nov 9, 1999
Mark's life becomes hectic when a look-alike gangster moves to LA and is caught up in a struggle for power.
#12 - The Seven Deadly Sins
Season 7 - Episode 10 - Aired Nov 18, 1999
Mark matches wits with a beautiful jewel thief who's being framed for murder.
#13 - Murder at BBQ Bob's
Season 7 - Episode 20 - Aired Apr 20, 2000
Steve teams with a Naval Investigator when the apparent suicide of a military officer turns into a cold-blooded murder.
#14 - Vanishing Act (2)
Season 1 - Episode 7 - Aired Dec 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.
#15 - Trash TV (1)
Season 6 - Episode 19 - Aired Apr 29, 1999
The Community General doctors are dragged back into the world of network television when producer Jackson Burley revamps the pilot for Dr. Danger, the television program based on Dr. Sloan. Mark and Steve investigate when Danger's competition, a masked magician who reveals the profession's secrets, is murdered, possibly as a ratings ploy.
#16 - Malibu Fire
Season 5 - Episode 3 - Aired Oct 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.
#17 - Sins Of The Father (2)
Season 8 - Episode 13 - Aired Feb 9, 2001
Mark must find out why his dad left him as a child.
#18 - Blood Ties
Season 6 - Episode 21 - Aired May 6, 1999
Two female vice-officers uncover four corrupt female homicide cops who murder felons to harvest their organs for those more deserving.
#19 - All Dressed Up and Nowhere to Die
Season 8 - Episode 8 - Aired Dec 7, 2000
Mark goes after a man who killed a groom on his wedding day.
#20 - Gangland (2)
Season 7 - Episode 8 - Aired Nov 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.
#21 - Murder at Midterm
Season 7 - Episode 4 - Aired Oct 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.
#22 - Murder, My Suite
Season 6 - Episode 14 - Aired Jan 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.
#23 - A Mime is a Terrible Thing to Waste
Season 5 - Episode 11 - Aired Nov 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.
#24 - The Last Resort
Season 6 - Episode 9 - Aired Nov 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.
#25 - The Patient Detective
Season 8 - Episode 5 - Aired Nov 9, 2000
Steve nearly dies in a car accident and think a murder happens. No one believes him.