While in England, the Foxes become the main suspects in a murder investigation and must go on the run until they can prove their innocence.
Harry witnesses a murder while flying in a helicopter.
After being pickpocketed, Harry becomes entangled in a murder plot.
Harry is hired by a wrestler when a series of incidents occur at the wrestling arena.
While golfing, Harry finds the dead body of the country club president. Harry is caught in the uneasy relationship between his father and his father-in-law, Howard (Dick Van Patten), when he and his wife are invited to celebrate Howard's anniversary and Harry comes along.
The Foxes believe that a suicide was faked after a new Beethoven sonata is located. Harry's investigation of his grandson's music teacher's death leads him to a renowned music conservatory.
Harry is kidnapped while investigating a woman involved in a cold case.
Harry is thrust in the middle of a dangerous situation after a set of photographs are swapped at the print shop.
Harrison asks Harry to help find a friend's missing boyfriend who vanished soon after he proposed.
Harrison's surgeon friend is accused of a bombing.
A Buddha statue is the key to uncovering the murder of Harry's secretary.
Harry watches Nicholas Roland (Gene Barry), an actor whose eccentricities may put the man's daughter in danger. When the woman vows to have her womanizing, celebrity father declared incompetent, Harry (Jack Warden) tries to keep the man out of trouble at least until the court hearing.
While dining with her mother (June Allyson), a blind author overhears some thugs planning a murder. The blind author is murdered and Harry must investigate.
Treasure hunters flock to Hyde Street after a recent TV report.
A missing man is found murdered and his wife is the main suspect.
The Foxes are sent to investigate when phone calls are said to have been made by a woman who was thought to be dead.
Cindy believes that she saw a man who is supposedly dead. Harrison and Cindy's weekend vacation plans are ruined when they get involved in a manhunt.
Harry finds a photograph with him in the background. Harry insists that the photograph of him with former baseball great Hank Aaron is a phony. Alan Hale, Robert Reed and Hank Aaron guest star.
Harry and Harrison investigate the murderous goings-on at an exclusive dude ranch. Harry and Cindy hear a murder being committed.
Harrison and Cindy's neighbors are suspects in a murder case.
Harry believes that the murder of a friend was intentional, not accidental.
A man escapes from prison and dies in Harrison's office. Harry Fox is approached by prison escapee Oscar Gideon who is in need of the services of a lawyer. Harry sends Oscar to Harrison but Oscar is killed before the meeting. Harry decides to investigate why Oscar, who was serving time for a US$ 16 million robbery, would spring out of prison just a week before being paroled.
Harrison gets wind of a plot to kill a racehorse. Harrison's client Fiedler is unable to pay Harrison the legal fees so he gives him 10 per cent share in a race horse named Hearts Of Fire.
Harry discovers that someone has been hired to kill Hearts Of Fire but Harrison does not believe that anyone would want to kill a horse until its jockey is found dead.