Hallmark Movies & Mysteries features original movies and acquired series devoted to the lighter side of mystery.

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An explosion at the hospital leaves the lives of Mark, Steve, Amanda and Jesse hanging in the balance.

Diagnosis Murder

Obsession

Mark's (Dick Van Dyke) investigation into a series of bombings casts doubt on his work in a previous case. Guest star: Orson Bean.

Caterers sabotage one another for the Benefactors Ball account; guests Pat Morita; Donny Most; Erin Moran; David L. Lander; Leslie Easterbrook; Conrad Janis.

Food Fight

The hospital gets scammed when a police officer reluctantly works with a con man in order to protect his wife and daughter.

Promises to Keep

When a 4-year-old patient dies due to hospital bureaucracy, Mark and Jesse take on the system to ensure that it doesn't happen again.

First Do No Harm

Mark investigates a racing team when an autopsy reveals that one of the drivers, thought to have died in a fiery crash, was actually killed hours before.

Murder at the Finish Line

A murder at a local high school leads Mark to conclude that one of the students is demanding too high a price for her friendship.

An Education in Murder

A staged argument results in the death of a talk-show co-host; guests Regis Philbin and Kathie Lee Gifford.

Talked to Death

Mark negotiates the release of several pregnant women who have been taken hostage during their childbirth class by a man unable to have children.

Baby Boom

Mark and Amanda (Dick Van Dyke, Victoria Rowell) unexpectedly find themselves in the middle of a triple murder at a friend's (guest star Adrienne Barbeau) house.

Rain of Terror

A patient and a nurse are both murdered as the hospital staff scrambles to deal with casualties from a collapsed tunnel.

Drill for Death

Steve (Barry Van Dyke) recovers and is determined to find out who framed Mark (Dick Van Dyke) and started a mob war. Guest star: Fred Dryer.

Retribution

A doctor and amateur detective helps the police solve cases.

S5 E21 | First Do No Harm