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.
Streaming, rental and purchase options
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
A priest kills his would-be blackmailers and does everything he can to cover his tracks. Dr. Sloan investigates when details don't quite add up.
Directed by Michael LangeWritten by James KramerGuest stars Sylvia Sidney, Robert Guillaume, Elyssa Davalos, Norm Silver, Rich Beall, Zina Armstrong, Chip Frye, Paul Borrillo
Episode 2
Security is increased at the hospital when Senator Robert Bassett undergoes an operation. Drs. Sloan and Stewart are preoccupied when a beautiful young amnesia patient is brought in. Unbeknownst to them, their beautiful young patient is a professional killer.
Directed by Michael LangeWritten by Joyce Burditt, Leslie Daryl Zerg, David HoffmanGuest stars Lewis van Bergen, Wayne Tippit, Timothy Fall, Belinda Bauer, Mary Beth Rikeman, John Kepler, Tom Anderson, Dutch Shindler
Episode 3
When an abrasive, washed-up comic is found dead at a Community General benefit telethon, suspicion is cast on everyone from his son to his former writers.
Directed by Anson WilliamsWritten by Vance DeGeneresGuest stars Joyce Van Patten, Barbara Rhoades, Dick Van Patten, Dom DeLuise, Granville Van Dusen, Dick Martin, Steven Anderson, David Dalton
Episode 4
Mark's cousin, Jonathan Nash, bequeaths his million-dollar fortune to Community General Hospital. His three dastardly children are the main suspects after Nash dies suspiciously... before he has a chance to alter his will.
Directed by Frank ThackeryWritten by Gerry ConwayGuest stars Robert Apisa, Jim Pirri, Michael Champion, Adam Cadenhead, J. Rob Jordan, Brian Jay
Episode 5
After a dying man gives Dr. Sloane a winning lottery ticket, the deceased's family and creditors swarm him, claiming the ticket is theirs.
Directed by Anson WilliamsWritten by Gordon T. DawsonGuest stars Kim Christiansen, Frances Lee McCain, Stanley Kamel, Rodney Eastman, Ken Kercheval, Dan Kopper, Tupper Cullum, Kurt Soderstrom
Episode 6
A group of crooked cops frame Steve for murder after he gets too close to their robbery operation. Jack visits some past friends, now mobsters, to dig up information.
Directed by Christian I. Nyby IIWritten by Bruce Franklin SingerGuest stars John Beck, Dennis Lipscomb, Leon Rippy, Kristen Cloke, Fred Greenblatt, Liz Jury, Jan Van Sickle, Sheron Bellio
Episode 7
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.
Directed by Christian I. Nyby IIWritten by Bruce Franklin SingerGuest stars John Beck, Leon Rippy, Kristen Cloke, Don Gordon, Boyd Kestner, Michael McGrady, Richard Gant, Rich Beall
Episode 8
Dr. Sloan treats a famous singer,then takes her into his home as a homicidal closes in.
Directed by Neema BarnetteWritten by Craig VolkGuest stars Haviland Morris, Luca Bercovici, Michael Harris, Tim Moffett, Alonna Shaw, Vanessa Whitney, Jeffrey Judson Smith
Episode 9
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.
Directed by Christian I. Nyby IIWritten by Robert Schlitt, John HillGuest stars Ned Romero, Amy Yasbeck, Mark Moses, Lisa Zane, Brett Cullen, Steven Culp, Tim Bagley, Mike Pniewski
Episode 10
A team of Magicians Clark & Madison, breaks up when Paul Madison decides to go solo. Mark jumps to his friend Clark's aid when Madison turns up dead with Eddie Clark the main suspect.
Directed by Anson WilliamsWritten by Gerry ConwayGuest stars Bruce Abbott, Emma Samms, Rance Howard, Ray Buktenica, Mitchell Whitfield, Jack Laufer, Mitchell Whitfield, Richard 'Rick' Partlow
Episode 11
Steve's latest girlfriend, a dance instructor, is a suspect in a murder investigation when a dance club's owner dies mysteriously.
Directed by Christian I. Nyby IIWritten by Gerry ConwayGuest stars Kristoff St. John, Kim Johnston Ulrich, Paula Marshall, William Katt, Elizabeth Berkley, Craig Richard Nelson, Lorry Goldman, Yorgo Constantine
Episode 12
A tell-all book written by one of Amanda's vindictive old college roommates contains embarrassing secrets of all four roommates. Dr. Sloan tries to discover what happened when the author is found dead and Amanda is the main suspect.
Directed by Anson WilliamsWritten by Robin MaddenGuest stars Roma Downey, Byron Thames, Jessica Tuck, Corinne Bohrer, Kathryn Layng, Tom Everett, Garth Wilton, Sherwin Frey
Episode 13
A prostitute, who tells Jack of her plans to blackmail her clients, is found dead of an apparent drug overdose. Dr. Sloan interviews her clients to discover the real cause of death.
Directed by Frank ThackeryWritten by Gerry ConwayGuest stars Cali Timmins, Lewis Smith, Sherman Howard, Ellen Geer, Gerald McRaney, Peter Crombie, Leslie Bevis, Barbara Whinnery
Episode 14
An unhappy politician's wife guns down her husband in an underground garage. Mark sees through her alibi and attempts to confirm his suspicions.
Directed by Christian I. Nyby IIWritten by Bruce Franklin SingerGuest stars Alanna Ubach, Catherine Hicks, James McEachin, Eric Pierpoint, Bruce Gray, Timothy Omundson, Dale Swann
Episode 15
Chet Brooks, one of Jack's old friends, shows up on the run from gamblers, begging for help. Jack reluctantly loans Chet his car, only to have Chet and the car explode in a fiery wreck. Jack tangles with the underworld to find out what happened.
Directed by Christian I. Nyby IIWritten by Peter DunneGuest stars Deke Anderson, Kerrie Keane, Brian McNamara, Rebecca Staab, Robert Clohessy, Jimmie F. Skaggs, Scott Kraft, Maggie Han
Episode 16
A convict, being treated at County General, manages to take a hostage and demand news coverage. When the newscaster covering the event is shot down, Dr. Sloan takes it upon himself to figure out what went wrong.
Directed by Christian I. Nyby IIWritten by James KramerGuest stars Christopher Allport, J. Evan Bonifant, Jim Metzler, S.A. Griffin, Darrell Larson, Tammy Lauren, Arthur Taxier, Efrain Figueroa
Episode 17
A Los Angeles earthquake apparently causes an armoire to topple over on top of a good friend of Dr. Sloan's, Martin Garfield, killing him. The dry-eyed Sloan goes to work and discovers that Garfield may have been killed before the earthquake. Jack and Amanda help Mark weed through the wealthy family to find the murderer.
Directed by Alan MyersonWritten by Gerry ConwayGuest stars Allan Miller, Liz Vassey, Robert Costanzo, Mary-Margaret Humes, Jill Schoelen, Michael Easton, Harvey Jason, Jack O'Halloran
Episode 18
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.
Directed by Peter EllisWritten by Gerry ConwayGuest stars Maddie Corman, Alla Korot, Andreas Katsulas, James Stephens, David Froman, Julie Sommars, Michael Russo, Michael J. Marcosa
Episode 19
Dr. Sloan goes undercover at a convent when mysterious circumstances surround a murder.
Directed by Leo PennWritten by Joyce BurdittGuest stars Delta Burke, Michael MacRae, Al Ruscio, Joseph Hacker, Justin Lord, Thomas Ryan, Concetta Tomei, J.G. Hertzler
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.
Available nowSimilar genres and era
Available nowSimilar genres and era
Available nowSimilar genres and era
Available nowSimilar genres and era
Available nowSimilar genres and era
Similar genres and era