An agent hires Stu and Kookie to protect a client from a charismatic director with a Svengali-like hold over her.
Stu ends up holding the bag when he's hired to help fake a robbery for the heir to a criminal family.
A millionaire hires Stu to protect his daughter from her rogue lover, a suspected swindler recently returned to the U.S. from an overseas hideaway.
Con men take $1 million in securities from under Kookie's nose, and Stu gives chase to restore the firm's reputation.
Stu goes after a dangerous lady thief who's stolen a realtor's books.
Stu attends a charity auction and spots an old flame—who promptly robs the place.
Visiting professor Stu stumbles across a real mystery while teaching criminology.
An unhappy little boy on a Little League team is the clue to a murder.
Stu finds a trap when he goes to collect the belongings of an industrialist and humanitarian killed in a train wreck.
Kookie and J.R. are on assignment at the beach when a hit-and-run accident injures a girl they've been watching.
J.R. seaches for his date's missing brother, a sailor.
Stu's flight to Hawaii is stalled by a busy airline official trying to cope with a murder, a fleeing thief, a messy love triangle, and a sick pilot in the air.
Jeff investigates a former G.I.'s story of seeing a man who was reported killed in Korea.
Kookie helps a Japanese friend find his uncle, who vanished with $50,000.
Stu is called to New York to find a missing Hollywood wife.
Sandra Keene fears that someone may try to prevent her brother Michael, a skid-row bum, from collecting his inheritance.
Stu is asked to rescue scientist Marie Harben's son, being held hostage by East German Communists to prevent her defecting to the West.
Gang boss Marco Deederman was reported killed in an automobile accident. But after the funeral, a series of fur and jewels thefts show the unmistakable hand of the old master—while Jeff falls for Deederman's girlfriend.
The detectives' former secretary walks back in after six years, suffering from amnesia.
Jeff and Roscoe go undercover in prison to help a thief break out, in hopes he'll lead them to his hidden stash. But the man's cronies have their own plans for the escape and the cash.
Stu helps a deaf librarian who ""overheard"" a a death threat in the reading room.
A borrowed car with sabotaged brakes leads to murder, and Kookie's quest to find the killer leads him into a tangle of romantic triangles and blackmail.
Suzanne finds love when she posses as an heiress to investigate the person who's suing a client.
Stu becomes involved in film society when a suicide, a murder, and subseuqent attempted murders disrupt the entertainment world.
Jeff teams up with an insurance adjuster to recover an armored truck's lost shipment.
An astrologer hires Jeff when he begins receiving threatening phone calls, but Jeff discovers his secretary may be the real target.
Jeff and J.R. deliver an attache case to Latin American clients.
Stu teams up with private detectives from Hawaii and French and English police to discover how a pair of criminals steal from their victims and leave them physical wrecks. Folk singers Peter, Paul & Mary perform.
Stu reunites with an old flame, a recent widow, and investigates her daughter's belief that her father's death was no accident.
An actress cons the detectives into helping her pull off a publicity stunt, but gets more than she bargained for when a man from her past shows up with his hand out.
Suzanne and Stu help her Hungarian friend find her mother, who fled the Communists in Budapest.
Jeff becomes a bodyguard for a judge who says that if he's killed, he wants Jeff to find his murderer.
Stu arrives in the corrupt small town where an old friend is chief of police and with the help of a senaor's wife uncovers a murder and a blackmail scheme.
After a rash of practical jokes at the office, Kookie can't convince his partners that he really has been arrested for a serious crime.
A con man hypnotizes an actress into jumping out a window, then blackmails a film's producer with threats of doing the same to his leading man.
Stu searches for the reasons behind an old friend's hit-and-run death in Austria.
