Barnaby Jones comes out of retirement to find the man who murdered his son in cold blood. Teaming up with Barnaby is another private investigator by the name of Frank Cannon, an old friend of his late son Hal.
A millionaire sets up a bomb in his boat to fake his death. Barnaby is contacted by the girlfriend of his boat "captain" to investigate what happened. Small clues like hand-tied flies, a cat boarded at a vet's, and an apple slicer bring Barnaby to a confrontation with a killer.
A black funeral wreath on his office door predicts Barnaby's death on Sunday. Even after he figures out who the psycho ex-convict is with a vendetta against him, Barnaby is stymied until his daughter-in-law is held hostage. It's a race against time to save her and himself.
Pressure to get good grades at a private high school leads to the death of an instructor. The conspirators try to place the blame first on the victim's drinking and then on the black tennis coach. Barnaby is called in by the victim's sister to sort out the lies.
After a blow kills his lover's husband, the quick-thinking killer calls police and, pretending to be the victim, lays the blame on two hippies. Barnaby realizes there's something wrong with the story and works to find the facts.
What's the perfect heroin-smuggling plot? Hide it in the radiator of a car owned by a tourist above suspicion--Barnaby Jones. When the shipment is replaced by sugar, Barnaby finds himself being threatened by both shipper and receiver, desperately trying to find the truth.
An author whose novels feature his hometown disappears; the publisher hires Barnaby to find the last chapter of the newest novel. A senile aunt introduces Barnaby to the "family" in her dollhouse, providing the clue to more than one murder.
"Rock star found with head smashed in empty pool" That headline would end the gravy train so his managers fake a kidnapping to salvage something, but they are unaware of a witness.
A suspicious hit and run brings Barnaby to a little town where sudden riches are obvious. "Town council meetings" are a cover for plotting murder, and Barnaby is in their sights.
Barnaby investigates the death of a woman who was killed in a car accident after the woman's daughter claims that it was no accident. An aging movie star with something to hide is Barnaby's number one suspect.
Barnaby investigates the theft of a million dollar necklace and the murder of the butler who unwittingly walked in on the thief. The leading suspect is a retired jewel thief with a rock solid alibi-he was on TV at the time of the theft.
While investigating the death of an apparent suicide jumper Barnaby learns there was a jewel robbery in the building next door at the very same time the man jumped. Following his gut instinct he suspects the two incidents are connected.
At the request of his late son Hal's friend, Barnaby investigates a lodge owner who is suspected of murdering his wife. Even though he finds conclusive evidence to exonerate the man, Jones suspects that all is not as it appears.
While investigating the death of a man bitten by a rattlesnake, Barnaby soon suspects that there is more than one snake involved...and it's one that wears cowboy boots and has a prison record.
A race car driver gets caught cheating on his wife by his brother-in-law, and in order to keep his indiscretions secret he resorts to murder. Barnaby is hired to investigate by the father-in-law who thinks competitors killed his son.
A detective friend of Barnaby who is intent on catching a murderer, has been receiving letters from the man who is taunting him. But when he gave him too much information the man kills him and Barnaby sets out to find him.
After a woman's niece is shot and killed in a botched robbery attempt, she suspects that she was intentionally murdered and hires Barnaby Jones to investigate.
After an overseas shipping worker is killed on a dock under some suspicious circumstances Barnaby Jones investigates the death for an insurance company and discovers a trail of death on his way to uncovering the truth.
A man dies under suspicious circumstances after being warned by a psychic and Barnaby Jones is hired to investigate. Barnaby doesn't buy the psychic mumbo-jumbo and suspects that once again money is at the root of all evil.
Barnaby Jones investigates the disappearance of a man he believes was involved in the theft of one million dollars in precious jewels. It isn't long before Barnaby suspects the man met with foul play and that the wife and defense lawyer of the man are involved.
The owner of a company calls Barnaby in to investigate after one of the members of the Board of Directors dies in a plane crash, shortly after leaving him a mysterious message hinting at possible troubles within his company.
Barnaby investigates the death of a motorcyclist found in the desert and discovers that it may be related to another case involving the disappearance of a beautiful young woman who was set to marry a wealthy, but disreputable business man.