archytele The Vault
Advertisement
Season guide

Diagnosis: Murder: Season 5

25 episodes Premiered Sep 18, 1997 Updated Sep 25, 2026
Previously on Diagnosis: Murder

Season 5 Lore Primer

Key plot threads, lore context, and character stakes you need to remember before diving into this season.

  • ⚡ Directly follows the overarching narrative developments of Diagnosis: Murder Season 4.
  • ⚡ Faction dynamics and core character alliances shift under escalating external stakes.
  • ⚡ Crucial mysteries introduced previously reach key turning points and narrative reckonings.
  • ⚡ Sets up serialized story arcs that build directly toward the climactic season finale.
Advertisement
Season 5 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 5 Progress Shield

Future titles & synopses blurred. Tap "Reveal" on any card to peek.
Binge Efficiency Engine

Season 5: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

24%
76%
Mytharc (6): Crucial lore & season climaxes
Core (19): Character development & subplots
Side Quest (0): Standalone / filler
S5·E1 Mytharc

Murder Blues

Sep 18, 1997 · 45 min

Steve becomes embroiled in political intrigue after the murder of a city councilman's wife appears to be part of a larger political strategy. Steve investigates two mayoral candida

S5·E2 Mytharc

Open and Shut

Sep 25, 1997 · 45 min

Mark investigates when a teenage girl is murdered after threatening to reveal her affair with her older lover, a newly appointed state Supreme Court Justice.

S5·E3 Core

Malibu Fire

Oct 2, 1997 · 45 min

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 de

S5·E4 Core

Deadly Games

Oct 9, 1997 · 45 min

Community General is already under increased security, with a high-profile criminal hospitalized, when an important businesswoman is brought in. Mark suspects her security guard ha

S5·E5 Core

Slam-Dunk Dead

Oct 16, 1997 · 45 min

Jesse's new part-time job as trainer of the pro basketball Mustangs turns deadly when he's accused of murdering a star player.

S5·E6 Core

Looks Can Kill

Oct 23, 1997 · 45 min

Dr. Sloan investigates a plastic surgeon when an actress's death apparently results from an infection contracted during surgery.

S5·E7 Core

Fatal Impact (1)

Oct 30, 1997 · 45 min

Mark and Amanda are assigned to the task force investigating an airplane crash. An adversarial FBI agent and Russian mobsters make their assignment more difficult.

S5·E8 Core

Fatal Impact (2)

Oct 30, 1997 · 45 min

Steve and Ron lead the chase for the stolen nuclear material.

S5·E9 Core

Must Kill TV

Nov 6, 1997 · 45 min

The Sloans run into plenty of industry politics when they investigate the death of television network executive, Rachel Woodrall. Seamy revelations about Woodrall's college sororit

S5·E10 Core

Discards

Nov 13, 1997 · 45 min

Jesse finally reunites with his father. After they narrowly elude an assassin, Jesse begins to realize his father isn't the accountant he's always claimed to be, but rather a spy.

S5·E11 Core

A Mime is a Terrible Thing to Waste

Nov 20, 1997 · 45 min

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 St

S5·E12 Core

Down and Dirty Dead

Dec 11, 1997 · 45 min

A motorcycle stunt driver has a fatal accident while filming an action video. Steve investigates.

S5·E13 Mytharc

Retribution (1)

Jan 8, 1998 · 45 min

When Steve is shot and falls into a coma, Mark does all in his power to find the assailant, even threatening a suspect with bodily harm. Mark finds himself the prime suspect when S

S5·E14 Core

Retribution (2)

Jan 15, 1998 · 45 min

This episode takes place four months after Mark was convicted of murder. Steve is slowly recovering from his wounds and Mark is still rotting in prison. While Mark endures the taun

S5·E15 Core

Drill for Death

Jan 22, 1998 · 45 min

A hospital emergeny preparedness drill turns deadly when an unpopular and ambitious nurse is found dead amid the chaos with an eccentric artist the only witness.

S5·E16 Core

Rain of Terror

Jan 29, 1998 · 45 min

A spat between a girl and her boyfriend leads to an apparent murder, leaving the girl and her mother with a dead body, just as dinner guests Mark and Amanda arrive. Panic sets in,

S5·E17 Core

Baby Boom

Feb 5, 1998 · 45 min

A madman charges into a Lamaze class with a bomb, claiming that a fertility doctor was cheating him. Everything is complicated further when said doctor turns up dead.

S5·E18 Core

Talked to Death

Feb 26, 1998 · 45 min

Ratings seeking stunts by TV talk show hosts Darren & Mary has tragic results.

S5·E19 Core

An Education in Murder

Mar 5, 1998 · 45 min

When a rash of deaths at a high school revolve around one 'helpful' young girl, Dr. Sloan risks his own life to uncover the murderer.

S5·E20 Core

Murder at the Finish Line

Mar 26, 1998 · 45 min

Dr. Sloan investigates to find out who's behind the death of a driver in a speedway crash.

S5·E21 Mytharc

First Do No Harm

Apr 16, 1998 · 45 min

When a young girl is rushed into the hospital in need of immediate treatment, but dies due to a HMO's negligence, Dr. Travis and Community General are sued for negligence. Dr. Sloa

S5·E22 Core

Promises to Keep

Apr 23, 1998 · 45 min

The Matthews family is reunited after years apart. Here, Ryan and Tess Matthews come to LA to help Kate when she's in trouble with a con man.

S5·E23 Core

Food Fight

Apr 30, 1998 · 45 min

Dr. Travis gets involved in the treacherous and deadly trade of catering when he oversees the annual charity banquet.

S5·E24 Mytharc

Obsession (1)

May 7, 1998 · 45 min

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

S5·E25 Mytharc

Obsession (2)

May 14, 1998 · 45 min

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 fo

Advertisement