An attempt is made on Arnold Simpsons' life when he hires Gunn to find out who is blackmailing him. He tells Pete about a dig he was on with Frank Victor and how he abandoned him when the cave collapsed. Gunn is sent to the Blue Pheasant to pick up a parcel for Simpson and delivers it to him and is stunned when it goes off.
Employee Arthur Cole accuses his boss of killing his wife and hires Gunn to prove it. There is a twist and it leads to the suspect being Cole instead.
Pete is hired by trumpet player Bud Bailey's wife, she is accusing him of wanting to kill her for the insurance money.
Ventriloquist Marvelous Marvon is found murdered after his act. Gunn is hired by Marcel Benoit to the find killer. Rinaldo his Dummy, turns out to be no dummy.
A little man with homemade bombs has been blowing up four or five gangsters at a clip. Now the mob boss' have hired Gunn to find the culprit.
Charlie Barnes is arrested for bank robbery and is cut a break to attend his daughter's wedding with Gunn as his watchman and then disappears.
Paul Conlon, a school teacher, is grading papers at school when he hears a scream he goes to investigate and finds a dead girl. He hires Gunn to prove his innocence.
Pete is hired by Anthony Scott to locate Marion Venner who is blackmailing him after their affair ended. What he finds leads him to believe that the neighbor may have seen something and met with an unhappy demise.
There is an assassination plot against the Governor, and Pete tries to find out who is behind it to stop the scheduled assassination. The plot is a ruse for something even bigger as Jacoby and Gunn find out.
A secretary has important papers that incriminate her boss and becomes frightened when attempts are made on her life, at least that's the story she gives Pete. The real story is that Lyles a bank robber offs two of his cohorts after looking for the key to the safe deposit book where the loot is.
Eric gets himself a trench coat and a pretty secretary. Now he's ready to start his career as he bumbles his way around town and interferes with the police department he is called in by Janos Thorwald to bring in his easy mark of a son.
Nightclub Singer Julie Kent is murdered and the DA's son is the suspect, she also happens to be the ex-girlfriend of syndicate boss DeSantis.
Gunn is hired by Mr. Copeland to find out who stole his antique crossbow and is using it to murder people.
Walter C. Gerard is prisoner in his own house, his daughter has paroled criminal Frank Loomis who now lives in the mansion and runs the show.
A baby is dumped outside of Pete's apartment with a note attached asking Pete to take care of the baby. When a woman is gunned down Pete believes that she is somehow connected.
A sleepy passenger on a late night bus witnesses a man in a second story apartment strangling a woman. When a police investigation finds nothing,the man hires Gunn to find the killer-before the killer finds him.
Gunn gets a frantic phone call from Norman Hartley and rushes to Hartley's home - only to find him dead.
A gourmand gangster blows up his rival and a gourmet restaurant at the same time. The restaurant's cordon bleu owner helps Edie open her own supper club and in return Gunn teams up with him to bring the mobster to justice.
The candidate for Governor, Adrian Grimmett, runs on a no-taxes platform. Who could possibly want to assassinate him?
On Halloween Arthur Merrill answers the door prepared to treat the youngsters - but one of them shoots him.
Eddie Carson, a small time thug, is sure he's going to be bumped off. He tries to get Gunn to help him but the sleuth is unmoved until it's too late.
Wealthy Sportsman Harley Bernard would like to know who murdered his stable manager. At first Gunn suspects Frank Rousseau, a gangster who once tried to get Wally to fix a race. The next suspect is a seven-foot giant who tries to strangle Gunn. After being rescued by Lt. Jacoby, Gunn visits TV exercise personality Jack LaLanne who identifies the tall man as the ""Great Gorza.""
The Rico brothers' testimony was responsible for Matt Poliska's deportation, and when Dave Rico is shot, his dying word is Poliska. But Poliska's not supposted to be in the country.
A convicted man being escorted to prison via the train is freed by a confederate.The man's wife contacts Gunn-to hire him to recapture her husband.Due to him believing she tipped the police and caused his arrest, she fears her husband will kill her.
Gunn is hired by the manager of teen idol Bobby Jeeter to payoff a blackmailer and find out who is doing the blackmailing.
Detective Eddie Sellers comes clost to solving a two-million dollar robbery and pays with his life. His brother Cal, also a detective, is afraid he's next.
A young boy tells Gunn that he saw his father beaten up during the night. But when Gunn calls the police, Sepi disappears.
An eccentric employee hatches a plan to force the bank he works at to institute a pension plan -- he steals all the cash in the vault and won't return it until they agree. Meanwhile, a local mobster reads about the story and decides to kidnap the man and take the money for himself.
A royal visitor, King Felix, is visiting the city and it's Jacoby's job to escort him through the city jail.
Ed Stone is released from prison, met by a friend who gives him a gun and makes a call to Peter Gunn.
Jacoby tells Gunn that he's going on vacation to some nice quiet place. Gunn tells Jacoby he's got just the place.
A newspaper gossip column item leads to a noted author hiring Gunn to look into the possibility that his wife is having an affair. Before he can get started on the case, the author is murdered and Gunn decides to find the killer. He begins by investigating the wife - who has more than one man in her life.
A janitor and his wife see Police Sergeant Lee Davis enter their building and minutes later they hear two shots. They rush to the scene to find Sergeant Davis holding a gun over the body of a dead derelict.
It's ""trick or treat"" night, and Arthur Merrill answers the door to a big surprise.
A singer, who fifteen years before was found Not Guilty in the questionable shooting death of her gangster husband, hires Gunn to help with a blackmailer. Her psychiatrist has been robbed of tapes made during analysis which detail the incident and which will reveal the true story.
Susan Neilson swims out to the deep end of her pool and drowns. Her swimming instructor, Phil Matterson, left her alone, poured himself a drink and ignored her cries for help.
While ex-heavyweight champ Billy Cochrane is training for a comeback, an attempt is made on his life.
A cab driver saves a woman from a beating and from being forced into a car by two thugs. Afterwards, she disappears while he goes for help. The cabby tells his friend Gunn about what happened and this leads into the search for a girl who is "trying to get lost". She is a witness against a top hood and is on his hit list.
The gun used in a murder of a gangster is found in the possession of a teenager.
Ballet dancer Nico Belurin escapes from a home for the mentally ill.
A racketeer is beaten to death and a woman hires Gunn to find out if her old flame, a Korean War hero,was responsible. Lt. Jacob knows the man,who has been an out-patient for being manic-depressive for years. Meanwhile, a fellow mobster is worried he may be blamed for the kill and wants to force Gunn to clear his name.
The biggest Racket Man in town is out on bail and "blows up". Or did he? In order to get back the $100,000 he put up as security, the hoods' Bail Bondsman hires Gunn to find out one way or the other. A derelict who disappeared with a $90,000 winning Irish Sweepstakes ticket may figure in the case.
A Mystery Woman is an admirer of Peter Gunn -- and she kills to prove it.The first kill is when a hood who swore revenge against Gunn is released from prison.Then the hood's brother turns up dead.Gunn must prove he's not the killer and try to find out who is-before the gangster father of the brood comes after him.
Edward Candell is scheduled to die for the murder of his wife Leona. Tommy McDonald is surprised to hear the verdict - he just saw Leona.
Clinton Hobart, former movie great, is trying to make a comeback. But hard-driving young producer Les Murdock isn't making matters any easier for the old fellow.
Gunman Frank Dineen never objected to killing people for money. This time, however he's going to do a job for himself.
Gambling man Paul Mitchell and the son of an American diplomat in Acapulco, is show and wounded while leaving his home.
Lisa Randolph's well-groomed appearance belies the turmoil of her emotions - as Gunn discovers when he is asked to prevent her from committing suicide.
Golf instructor Gil Manson is accused by the police of being a hit and run driver. Manson insists he was giving a golf lesson at the time of the accident, but his pupil has mysteriously disappeared.
Abel Gunther a small-time Haitian sugar-cane grower, blames the death of his wife on the spirit world. He has a more praticial explanation for another of his worries - his cane fields have been leveled by fire.
A man named Paul Condon calls the police and tells them where a cache of stolen jewels can be found. But before any more information can be passed on - Condon is shot down.
Cesar Carlyle, a very rich man, hires Gunn to find certain documents which, if made public, could ruin him. Seems the papers were stolen and the theif wants a good deal of money for their return.
Peter Gunn investigates the murder of Scarlotti, a mobster who once saved the detective's life. The primary suspect appears to be Fusco, who has taken over. Craig Stevens reprises his TV role as Peter Gunn. Ed Asner plays Lt. Jacobi and Laura Devon plays Edie