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

Dr. Sloan becomes involved in a bloody gang war when a mobster who looks exactly like him moves nearby; Amanda is concerned that a child may be a victim of abuse.

Diagnosis Murder

Gangland

Mark tries to clear the name of a drug addict who is suspected of killing another addict with an overdose at a rehabilitation center.

The Killer Within

Mark's (Dick Van Dyke) old flame (guest star Michelle Phillips) begs him to help clear her husband (guest star Ray Wise) on charges of murdering one of her many lovers. Joanna Cassidy also guest stars.

The Flame

Dr. Sloan tries to clear his colleague's (Joanna Cassidy) name after she is arrested for selling narcotics.

Murder at Midterm

Dr. Sloan must baby-sit a 14-year-old girl when Steve's old Army buddy becomes involved with underworld figures.

Bringing Up Barbie

Dr. Sloan's brother (Jerry Van Dyke) is admitted to the hospital and becomes a murder suspect when his roommate is found dead.

Sleeping Murder

Two famous comics are murdered during a celebrity roast of Mark (Dick Van Dyke). Guest stars: Steve Allen, Jayne Meadows, Ruth Buzzi, Tim Conway, Norm Crosby, Dick Martin, Tom Poston, Julia Duffy and David Leisure.

The Roast

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S7 E6 | The Killer Within