
A faded movie actress commits murder. Lt. Columbo, one of her biggest fans, is on the case.

A surgeon has an ingenious plan for murdering his partner in a research project, but a nurse catches onto the scheme.

A chess player murders his opponent before a big match. Lt. Columbo must out-maneuver this crafty, but craven, killer.

A smarmy TV chef and his identical twin brother, a rigidly proper banker, are suspects in the electrocution of their rich uncle.

The formula for a miracle wrinkle cream leads the founder of a cosmetics company to murder and Columbo is on this case.

A wine connisseur kills his half- brother to prevent him selling the family winery to a merchant company so he can pay off his gambling debts.

Senatorial candidate Nelson Hayward murders his domineering campaign manager, staging it to appear that Hayward himself was the intended victim of a mob hit gone wrong.

A self-styled "motivation research specialist" uses subliminal cues to commit a murder. Lt. Columbo is on the case.