A boxer on the comeback trail has an assassination attempt made on his life. Gunn becomes involved when a pickpocket friend of his "finds" a clue to the plot. As Gunn noses around he finds that the boxers' ex-wife, Manager and owner among others may have been involved in the incident.

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.

Danny Holland, a paranoid stand-up comedian (played by Shelley Berman) is convinced that his wife of six years is trying to kill him. He hires Peter Gunn to investigate, but Gunn gets a completely opposite view of the marriage from the wife when he confronts her with her husband's fears.

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 a woman to follow her "husband," but it turns out that this man is actually her partner in crime. Gunn's investigation leads to the local tax commissioner who is worried about the "lies" contained in a missing suitcase which will implicate him in scandal. This episode is a wacky mixture of suspense and comedy, including a scene where the woman ends up in Gunn's apartment dressed in his pajamas, just as Edie comes knocking at the door!...

A Hollywood movie company comes to town to shoot a film.When a bit player is killed the police shut down the production.Gunn is hired by the Producer to find out what happened.

Gunn "gives a little back" and goes to Acapulco, Mexico to look for a woman spotted down there recently by his friend. The woman is supposed to be dead and her husband is currently in the news-he has used up his last appeal and is very shortly to be executed for her murder.

A hard-case who Peter Gunn helped send to prison for five years is paroled.He immediately calls Gunn and lets him know he's "on his way and you have very little time to live".Ignoring Lt. Jacoby's suggestion to leave town,Gunn has a scheme to fight it out on his own turf-but ends up in the cemetery.

Cliffie Thomas hires Pete to protect him from recently convicted and even more recently escaped Al Brenners. Cliffie was blinded 10 years ago by Brenners and Vic Stringer. The police think Brenners left town, but Cliffie knows otherwise because he knows Stringer has visited his newsstand a couple times. Cliffie figures Brenners and Stringer will kill him because wherever Stringer is, Brenners can't be far away. Peter Gunn is Cliffie's key to remaining...

Two inmates break out of prison. First item on their agenda: Kill Peter Gunn.