7x04 How to Dial a Murder
First Aired: Apr. 15, 1978 on NBC
Summary: Motivational psychologist Dr Eric Mason discovers that his wife, who died in a car crash several months earlier, was having an affair with his colleague Dr Charles Hunter. Mason has planned for some time to murder Hunter in a way that will be untraceable to him.He owns two Dobermans named…
Main Characters in this Episode
Lt. Columbo: [trying to trigger the attack word for the dogs] Kill! Kiss! Diamonds! Rubies! Sneakers!
Lt. Columbo: Who knows what goes on in the head of a dog?
Lt. Columbo: Most people could sit and listen to somebody talking about their personality for hours - Lord knows *I* could.
- Goof (revealing mistake): Trees in the background remain still while tumbleweeds are blown around by high winds.