TV series
A tangled web of mystery. Classic 'whodunit' suspense.
Dr. Mark Sloan is a good-natured, offbeat physician who is called upon to solve murders.
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Checked Jul 22, 2026
Diagnosis: Murder is available to stream on Philo and Pluto TV in United States. Use the direct links below to open the provider.
Dr. Mark Sloan is a good-natured, offbeat physician who is called upon to solve murders.
Choose an episode, then use the watch options above for the show.
Episode 1
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.
Directed by Christian I. Nyby IIWritten by Gillian HorvathGuest stars Kim Johnston Ulrich, Robert Hooks, Richard Joseph Paul, Jonathan Banks, Brent Huff, Claudette Roche, Robin Michele Stewart, David Shackelford
Episode 2
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.
Directed by Vincent McEveetyWritten by Lee Goldberg, William RabkinGuest stars Ken Howard, Roger Aaron Brown, Cindy Katz, Wayne Péré, John Vargas, Eric Menyuk, Rebecca McFarland, Cody Glenn
Episode 3
A figure skater hires her ex-coach to attack a rival skater. Dr. Sloan tries to prove her guilt.
Directed by Christopher HiblerWritten by Robin MaddenGuest stars Mark Derwin, Julie Benz, J. Robin Miller, Skip Stellrecht, Michael Bryan French, James Lesure, Tom Bailey, Lisa Dinkins
Episode 4
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.
Directed by Christian I. Nyby IIWritten by Lindsay HarrisonGuest stars Michele Scarabelli, Roger Hewlett, Gregory Itzin, Kurt Fuller, Ellen Crawford, Laura Interval, Christopher B. Duncan, John Schneider
Episode 5
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.
Directed by Christian I. Nyby IIWritten by Lindsay HarrisonGuest stars Michele Scarabelli, Gregory Itzin, Kurt Fuller, Ellen Crawford, Christopher B. Duncan, John Schneider, John F. O'Donohue, David Dunard
Episode 6
Dr. Sloan investigates a photographer, the overly protective mother of Jesse's friend's fiancée, in the murder of a private investigator.
Directed by Vincent McEveetyWritten by Sam EganGuest stars Lesley-Anne Down, Jason Clarke, Jessica Collins, Drew Snyder, Scott Leva, Eric Winzenried
Episode 7
A respected cardiologist murders an innocent man in an insurance scam. Dr. Sloan reluctantly investigates his friend.
Directed by Christian I. Nyby IIWritten by Tom ChehakGuest stars Alan Rachins, Josh Taylor, Stephen Lee, Gary Grossman, Steven Barr, Ever Carradine, Terri Hoyos, Alex Wexo
Episode 8
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.
Directed by Steve MinerWritten by Dean HargroveGuest stars Tracey Gold, Eric McCormack, Michael Marich, Charles Esten, Lisa Dean Ryan, Richard Cummings Jr., Lance Wilson-White, Robert Clohessy
Episode 9
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.
Directed by Christian I. Nyby IIWritten by Lee Goldberg, William RabkinGuest stars Kathy Evison, Danielle Nicolet, Kevin Richardson, Richard Riehle, Tony Colitti, Spike Silver, Joseph Whipp, Bob Minor
Episode 10
His scheming advisor covers up the accidental death of the drug-addicted daughter of a U.S. Senator. Dr. Sloan and Amanda investigate.
Directed by Christopher HiblerWritten by Steve HattmanGuest stars Michael Cole, Gregory Millar, Todd Tesen, Saxon Trainor, John Rubinstein, Corey Joshua Taylor, Elayn J. Taylor, Terry Woodberry
Episode 11
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.
Directed by Christian I. Nyby IIWritten by Steve HattmanGuest stars Piper Laurie, De'Aundre Bonds, John Marshall Jones, Ernie Lively, Vic Polizos, Jeremy Roberts, Chuck Sloan, Steven Ho
Episode 12
Mark's daughter returns after eight years, leaving an abusive husband who later turns up dead.
Directed by Vincent McEveetyWritten by Lindsay HarrisonGuest stars Wanda De Jesus, Anne Lockhart, John Capodice, Mark Hutter, Erin Beaux, Stacy Van Dyke, Billy Kane, Mike Jolly
Episode 13
When a famous prostitute writes a tell-all book, an executive's job at Community General is in serious jeopardy.
Directed by Vincent McEveetyWritten by Gerry Conway, Joyce BurdittGuest stars Theresa Saldana, Rosie Malek-Yonan, David Dukes, Peter Haskell, Marta Martin, Don Dowe, Samantha Lloyd, George Lugg
Episode 14
Mark investigates a 30-year old murder when the body of his old mentor is discovered entombed in a wall in the hospital.
Directed by Christian I. Nyby IIWritten by Gerry ConwayGuest stars Eddie McClintock, Nicholas Pryor, Lynnda Ferguson, Paul Kersey, Tricia O'Neil, David Purdham, James Sloyan, Stacie Randall
Episode 15
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.
Directed by Christopher HiblerWritten by Joel Steiger, Gerald SanoffGuest stars Lee Chamberlin, Andy Griffith, Rob Steinberg, Norm Compton, Susie Schelling, Murray Rubinstein, Greg Benson, Jann Carl
Episode 16
Amanda and Ben investigate the murder of Eric Spindler while Jesse continues to languish in jail.
Directed by Christopher HiblerWritten by Joel Steiger, Gerald SanoffGuest stars Andy Griffith, Thom Barry, Kevin Cooney, Susan Diol, H. Richard Greene, Mark Kiely, Jennifer Sommerfeld, Michael C. Mahon
Episode 17
Mark aids an old friend, Joe Mannix, in solving a 25-year-old, unsolved murder.
Directed by Christian I. Nyby IIWritten by Lee Goldberg, William RabkinGuest stars Pernell Roberts, Mike Connors, Julie Adams, Beverly Garland, Pernell Roberts, Susan Lee Hoffman, Richard Gant, David Parker
Episode 18
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.
Directed by Christopher HiblerWritten by Gerry Conway, Lee Goldberg, William RabkinGuest stars Reba McEntire, Billy Ray Cyrus, Terri Clark, Linda Davis, Joe Diffie, Billy Dean, Julianne Christie, Barbara Mandrell
Episode 19
A devious psychologist uses hypnotism to facilitate his criminal acts, including the murder of his wife.
Directed by Christopher HiblerWritten by Eric Estrin, Michael BerlinGuest stars Kimberlin Brown, Dwight Schultz, Teri Austin, Alison Moir, Robyn Bliley, Daniel Guzmán, Elayn J. Taylor, Mike White
Episode 20
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.
Directed by Christian I. Nyby IIWritten by Lee Goldberg, William RabkinGuest stars Scott Bryce, Christina Carlisi, Todd Kimsey, Alla Korot, Del Hunter-White, Demetrius Calip, Skip Harris
Episode 21
A beach boy involved with a gang member's sister is suspected of murdering him. Mark investigates.
Directed by Christian I. Nyby IIWritten by Barry Van Dyke, Jeff GlasserGuest stars Carey van Dyke, Shane van Dyke, Josh Roman, David Barrera, Tamara Mello, Jules Douglas, Greg Serano, Don Stark
Episode 22
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.
Directed by Christian I. Nyby IIWritten by Lee Goldberg, William Rabkin, Gerry Conway, Gerry ConwayGuest stars Hunter Tylo, Wayne Rogers, Chad Everett, Jack Klugman, Bernie Kopell, Michele Lamar Richards, Stuart Damon, Leslie Charleson
Episode 23
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.
Directed by Tom ChehakWritten by Tom ChehakGuest stars Mark LaMura, Alan Blumenfeld, D. C. Douglas, Karen Moncrieff, Ron Perkins, Maury Sterling, Eric Gustavson, Sarah Aldrich
Episode 24
A wealthy woman and her boyfriend dupe Mark and plot to murder her husband.
Directed by Oz ScottWritten by Joyce BurdittGuest stars Brynn Thayer, Don Diamont, Wayne Tippit, Basil Wallace, Charles Kahlenberg, Liliana Cabal, Lee Newman, Carla Vega
Episode 25
A bungling comedian seeks revenge on his former partner when he's cheated out of millions.
Directed by Christopher HiblerWritten by Lee Goldberg, William Rabkin, Dick Van DykeGuest stars Harvey Korman, Shari Shattuck, Charlene Fernetz, Carlos Palomino, Coleman McClary, Tom Gallop, Tim Conway
Episode 26
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.
Directed by Christopher HiblerWritten by Steve HattmanGuest stars Mary Kay Adams, Carol Bruce, Stan Cahill, Michael Harney, Michael Holden, Jay A. Michaels, Jeanne Zelasko, Carlo Felix
Episode information updated Jul 24, 2026
Dick Van DykeMark Sloan
Victoria RowellAmanda Bentley-Livingston
Charlie SchlatterJesse Travis
Scott BaioJack Stewart
Barry Van DykeSteve Sloan
Michael TucciNorman Briggs
Delores HallDelores Mitchell
Dan GilvezanKent Beaudine
CBSUnited States
Fred Silverman CompanyUnited States
Dean Hargrove ProductionsUnited States
Viacom ProductionsUnited StatesMore shows like Diagnosis: Murder.
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