Hallmark Mystery invites viewers to play detective in a lighthearted mystery featuring captivating and fun whodunits filled with exciting moments, likeable characters, and romantic twists.

Hallmark Mystery

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

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S5 E24 | Obsession