A wife is suspect in the death of her philandering husband.

A British spy puts a double agent in danger by hiring Barnaby to find a Czech espionage expert.

Two murderers make their victim appear to be a missing embezzler.

Despite evidence, Barnaby believes a man accused of killing a judge is being framed.

A wealthy manufacturer and an experienced yachtsman die in a sailing accident;.

A missing woman's body turns up near the home of her last companion, a pro-football player.

Barnaby learns a teenage runaway has married a hired killer.

An alleged suicide exposes a TV commentator's plan to reveal an industrialist's criminal ties.

In this episode, seemingly respectable bank president embezzles and murders. A small-town bank president's respectable reputation covers a trail of embezzlement and even murder, in which she plots with the local pharmacist to murder a wealthy depositor. 

The owner's friends are Barnaby's top suspects in the theft of a $1 million diamond.

A singer who hit it big goes back to her hometown to perform. She runs into her ex who is now dating someone else, and the girl is very insecure when the singer is with him.

An insurance company hires Barnaby to investigate the death of the owner of a motor corporation who drove his motorcycle off a cliff during testing.

Jealousy causes the brooding leader of a burglary ring to eliminate the insurance agent who supplies him with information for the gang's break-in operations.

Three otherwise ordinary guys who carpool together plan a $335,000 heist, but when things go horribly wrong and it turns into a case of murder, Barnaby Jones gets involved.

An imprisoned dying man makes a deal with a murderer to take the rap for the man's crimes, just as long as he will financially take care of his wife after he's gone.

Barnaby is hired to investigate the alleged suicide of a very wealthy woman's husband. What he discovers is another investigator who supplements his income with blackmail, and will murder anyone who gets in his way.

While investigating the whereabouts of some missing embezzlement money, Barnaby uncovers fraud, blackmail, and a couple of murder's committed by a man who's suppose to be dead.

A professor's auto-accident death reveals two women competing for a con man's affections.