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
Mark's office decorator is murdered.
Directed by Christopher HiblerWritten by Mark EganGuest stars Jeannetta Arnette, Andrea Roth, Doug Sheehan, K Callan, Brooks Almy, Hamilton von Watts, John Duerler, Christopher Faulk
Episode 2
Young woman is in a car accident and goes blind, Mark must figure out who committed the murder.
Directed by Frank ThackeryWritten by Joel SteigerGuest stars Lisa Cerasoli, Sonja Christopher, Stephanie Niznik, Sean O'Bryan, Pamella D'Pella, Gabe Cohen, Jimm Giannini, Vince Duque
Episode 3
A body found on the beach turns out to be Jim, the hospital janitor, but when his twin brother Jeff shows up to identify the body, Mark and Steve become suspicious.
Directed by Nancy MaloneWritten by Mark SolomonGuest stars Phina Oruche, Nick Chinlund, Annie Fitzgerald, Deirdre Quinn, Charmin Lee, Shane van Dyke
Episode 4
Dr. Mark Sloan tries to save one of his former students, a schizophrenic, from a murder charge, but is challenged by the man's seemingly incoherent babbling.
Directed by Sandy SmolanWritten by Terry Curtis FoxGuest stars Lisa Akey, William Converse-Roberts, Peter Gregory, Kaitlin Hopkins, Jonathan Brown, Joel McHale, Daniel 'Smalls' Johnson, Tim Van Pelt
Episode 5
Steve nearly dies in a car accident and think a murder happens. No one believes him.
Directed by Victor LoblWritten by Stephen A. MillerGuest stars Heidi Mark, Sarah Denison, Raphael Sbarge, Nathan Anderson, Lynda Robertson, Ned Luke, Steven Amato, Charmin Lee
Episode 6
A nurse's husband is murdered and a teen who works at the hospital and who also had a torrid love affair with the nurse is the prime suspect, but Mark isn't convinced that the young man is the killer.
Directed by Victor LoblWritten by Joel SteigerGuest stars Chad Michael Murray, Lisa Thornhill, Tony Carreiro, Nicole Tarantini, Jeff Corbett, Brenda Isaacs Booth, Benjamin John Parrillo, Asante Jones
Episode 7
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.
Directed by Victor LoblWritten by Terry Curtis FoxGuest stars Susan Blakely, Darby Stanchfield, Todd Stashwick, Geoffrey Thorne, Bobby Collins, Shane van Dyke
Episode 8
Mark goes after a man who killed a groom on his wedding day.
Directed by Bernard L. KowalskiWritten by Terry Curtis FoxGuest stars Leila Kenzle, Ellina McCormick, Douglas Roberts, Don Stark, Steph DuVall, Steve Lawrence, Joanne Baron, Dan Shadwell
Episode 9
Dr. Mark Sloan, Lt. Steve Sloan and Dr. Amanda Bentley become involved when a priest is accused of murdering an old friend.
Directed by Donald L. GoldWritten by Steve Brown, Chris AbbottGuest stars Alan Gelfant, Donna Bullock, Chris Ellis, Dakin Matthews, Michael Owen, Eric Leviton, Brent Sexton, Charmin Lee
Episode 10
Dr. Mark Sloan seeks the murderer who killed a med student, drained his blood, and stored him in the Community General morgue.
Directed by Christian I. Nyby IIWritten by Burt PrelutskyGuest stars Sabine Singh, Breon Gorman, Tom McCleister, Ron Melendez, Janice Davies, Rob Moore, Shane van Dyke
Episode 11
An actress with an eating disorder dies from an apparent heart attack. Mark believes her nutritionist murdered her.
Directed by Christian I. Nyby IIWritten by Cathryn MichonGuest stars Michelle Burke, Debra Christofferson, Nike Doukas, Andi Eystad, Jennifer Gareis, Nicolas Mize, Richard Molinare
Episode 12
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.
Directed by Victor LoblWritten by Joel SteigerGuest stars Charles Napier, Lewis Smith, Cleo King, Charmin Lee, Bonnie Bailey-Reed, Alan Davidson, Al Espinosa, Joel Hurt Jones
Episode 13
Mark must find out why his dad left him as a child.
Directed by Victor LoblWritten by Joel SteigerGuest stars Charles Napier, Lewis Smith, Charmin Lee, Michele Greene, Dabbs Greer, Joseph Sirola, Lewis Smith, Mark Benninghoffen
Episode 14
Dr. Mark Sloan investigates the apparent suicide of a gifted heart surgeon who was also a compulsive gambler.
Directed by Nancy MaloneWritten by Burt PrelutskyGuest stars Henry Darrow, Lawrence Pressman, Hank Stratton, Christian Aubert, Steven Barr, Fleming Brooks, Tony Goodstone, Mike Grief
Episode 15
Dr. Mark Sloan tries to solve the murder of a young woman whose twin sister claims that Dr. Jesse Travis fathered her infant son.
Directed by James NasellaWritten by Steve BrownGuest stars Amanda Wyss, Leah Lail, Christopher Darga, Michael Ensign, O-Lan Jones, John Michael Morgan, Gemma Barry, Christopher Hutson
Episode 16
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.
Directed by Christopher HiblerWritten by Burt PrelutskyGuest stars Dion Anderson, Mark Harelik, Chad Morgan, Diana Bellamy, Raci Alexander, Jamie Anderson, Ralph Drischell, Terence Heuston
Episode 17
A Tabloid-news paper reporter gets caught up in a murder investigation when one of her sources is stabbed to death on a dance floor.
Directed by Christian I. Nyby IIWritten by Barry Van Dyke, Jeff GlasserGuest stars Bruce Thomas, John Aylward, Brad Greenquist, Scott Paulin, Kimberly Quinn, Shane van Dyke, Corey Michael Blake, Kevin McNally
Episode 18
Dr. Sloan tries to help Amanda when she becomes involved in an incident involving the Chinese government.
Directed by Frank ThackeryWritten by Victoria Rowell, Fred FontanaGuest stars Mako, Daniel Quinn, Roger Fan, Michael Adler, Boyuen, Larry Hayden
Episode 19
Dr. Sloan investigates a controversial attorney who confesses to murder while near death but recants after he recovers.
Directed by Sandy SmolanWritten by Terry Curtis FoxGuest stars Vanessa Bell Calloway, Julius Carry, Michael O'Neill, Beth Grant, Joel Brooks, Audrey Wasilewski, Marilyn McIntyre, Kevin McNally
Episode 20
While deeply disturbed that his son, Lt. Steve Sloan, is falling in love with a woman who is a dead ringer for his murdered former girlfriend, Dr. Mark Sloan begins watching his neighbors through binoculars and becomes convinced that one of them is a murderer.
Directed by Christian I. Nyby IIWritten by Terry Curtis FoxGuest stars Charmin Lee, Challen Cates, Amanda Anka, Jim Ortlieb, Bill Applebaum, Dennis Bowen, Sean Smith, Adam Tomei
Episode 21
While deeply disturbed that his son, Lt. Steve Sloan, is falling in love with a woman who is a dead ringer for his murdered former girlfriend, Dr. Mark Sloan begins watching his neighbors through binoculars and becomes convinced that one of them is a murderer.
Directed by Donald L. GoldWritten by Burt PrelutskyGuest stars Cloris Leachman, Anthony Tyler Quinn, Marcy Kaplan, Michelle Triola, Rachel Bertrand, Sonya Eddy, Diana Cignoni, Matt Crabtree
Episode 22
When a filmmaker begins using Community General Hospital as the location for an eerie documentary, Dr. Sloan discovers it may be haunted.
Directed by Barry Van DykeWritten by Barry Van Dyke, Carey van DykeGuest stars Eric Pierpoint, Carey van Dyke, Wes Van Dyke, Taryn Van Dyke, Josh Roman, Camille Anderson, Gloria LeRoy, Charles Tyner
Episode information updated Jul 23, 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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