TV-PG
S1 • E1
Mannix tries to rescue the kidnapped daughter of a former mob boss.
S1 • E2
A potential candidate for governor, a successful businessman employs Intertect to probe his background. His rationale: he wants to see if the detective agency can turn up any dirt that could be used by political opponents. If Intertect can't find any, he reasons his political opponents wouldn't be able to do so, either. Mannix follows his own leads while his Intertect colleagues probe the obvious. As Mannix's investigation progresses, people he has interviewed turn up dead. Mannix may be the next person on the hit list.
S1 • E3
Mannix reluctantly agrees to pursue a divorce case -- the woman involved is an old flame of his. The detective ends up being framed for murder.
S1 • E4
A group of businessmen approach Intertect. They say they want to approach a former colleague and offer him $1 million for a new formula. Mannix is suspicious the clients aren't telling the truth. He befriends the daughter of the man the businessmen want to approach and she falls for him. Mannix keeps digging and discovers the clients are really Nazi hunters. Or are they really Nazis? Mannix must find the answer and save the life of the daughter.
S1 • E5
A little girl wishes to "rent a detective" to prove that her father, who is on Death Row, is innocent. Mannix takes the case, working on his own time, and will have to do without Intertect's help. Mannix romances the mistress of a reclusive rich man at whose estate the murder took place. The detective must cope with a web of deceit to find out what really happened.
S1 • E6
A model spots a Latin man she met on a vacation but he flees. She hires a former boyfriend, Joe Mannix, to track down the man. But the case quickly becomes more complicated. In Mannix discovering the man's true nature, the lives of both Mannix and his client are now endangered.
S1 • E7
Mannix is hired by an old friend to find his college-age daughter, who is living in a commune. Mannix soon discovers the commune has secrets that can be deadly to discover. One college basketball player has already died. And why is a hoodlum so interested in what transpires at the commune?
S1 • E8
A 26-year-old woman, worth $10 million, hires Intertect to do a background check on her boyfriend. It turns out the woman has spent 10 years in a mental hospital and seems on the verge of cracking up. Mannix suspects something more sinister. The woman is surrounded by shady characters. The detective concludes one of them seeks to drive her back to the mental hospital.
S1 • E9
Mannix, on the mend after a gunshot wound has one foot in a cast, is given a routine assignment by Intertect boss Lew Wickersham: get the signature of a man named Amos Silo on a legal document. The detective takes a bus to a small town but finds a chilly reception whenever he inquires about the man or his ranch. The town is hiding something. As Mannix digs deeper, he discovers dead cattle are part of the mystery. The question is whether he'll survive to find out the rest.
S1 • E10
A woman hires Mannix to find her ex-husband so that she can get custody of her child. He finds the father and son quickly, but there are several others who are hunting them as well, and someone is willing to kill to get them.
S1 • E11
A burglar steals notebooks from a psychiatrist but double crosses an accomplice and takes the notebooks for himself. One of the patients hires Intertect/Mannix after being blackmailed.
S1 • E12
A crusading newspaper editor is preparing an explosive expose of a state legislator. But a man who supposedly had the documentation has fled just as the story went to press. The editor hires Intertect, which sends Mannix to work on the case. Mannix and Intertect boss Wickersham come to doubt whether the legislator is corrupt. But somebody is responsible for a trail of bodies and Mannix is determined to find out who.
S1 • E13
With only two of his colleagues, Captain of Detectives Tom Randolph and Lieutenant Barry Frohm with Central Division, in the know about what he is doing but neither agreeing with the move, Police Inspector Frank Kyler secretly hires Mannix under cloak and dagger to deal with an internal police matter. What Mannix knows from the news is that a man named Myles Stroud was murdered in a drive by shooting, but what the media did and does not know is that Stroud was an undercover police officer. In that undercover operation, he struck up a romantic relationship with a woman named Mavis Miller, who has since jumped bail. Stroud was working on a tip that an unknown number of cops were on the take, Miller handling the payoffs for the police. With Stroud and Miller now known to the crooked cops, Miller is as good as dead wherever she is in she not able to run forever. With Kyler having evidence that she is holed up in a rooming house a few hundred miles away, the location only known by Kyler, Mannix is tasked with finding her and bringing her back to provide testimony on the crooked cops. One other person external to the police that is interested is bail bondsman Monty Kelbo in he having lost his $10,000 unless Mavis is found. Mannix discovers in finding an uncooperative Mavis that the hole within the police department is probably bigger than Kyler suspects in people in wait wanting to kill Mannix and Mavis. Mannix is thus tasked with trying to discover who the holes in the police department are in addition to getting Mavis back safely.
S1 • E14
Mannix infiltrates an alcohol-rehabilitation center in Mexico. His client is a young woman who fears her father is being swindled. Intertect has devised a cover identity so that Mannix poses as an alcoholic who has been committed there by an Intertect operative posing as his wife. Mannix discovers a confidence man is also posing as a patient. In the middle of the case, another patient turns up dead and Mannix finds out there have been several unsolved murders nearby. If Mannix isn't careful, he could be the next victim.
S1 • E15
Fading movie star Anne Marion calls a press conference to announce plans for an autobiography. Then a bomb goes off. She contacts Intertect and hires Joe Mannix to investigate why anyone would want to kill her.
S1 • E16
The evidence points to David Tate when three people are brutally murdered. Intertect assigns Mannix to the case and he finds himself caught between the police and those trying to frame Tate for murders he didn't commit.
S1 • E17
Intertect's chief of security has apparently been killed while driving. Concurrently, an explosion at an Intertect client has killed a technician and destroyed a new laser device. Joe Mannix is on the case.
S1 • E18
A doctor for Intertect treats Joe's injuries and informs him that Lew's erratic behavior is due to steroids prescribed for an infection. Joe and Lew probe a conspiracy that has left 3 people dead. More will die if they don't act quickly.
S1 • E19
Mannix quits Intertect after Wickersham agrees to accept a case from suspected gang boss Aram Karmalis. Striking out on his own, Mannix agrees to help a young woman. But it turns out that Mannix is now working a different angle of the same case.
S1 • E20
Bernie Farmer opens a box that was entrusted to him by his incarcerated mobster brother-in-law, but finds it empty. He recruits a reluctant Intertect to find out what had been placed in the box.
S1 • E21
Mannix is hired to investigate a supposed miracle that has occurred on land owned by a mobster. When a man turns up dead and the mobster's thugs beat on Mannix, the miracle's legitimacy seems highly doubtful. But the motives for faking the miracle are murky, at best. The mobster doesn't stand to gain financially. But Mannix is determined to find the truth.
S1 • E22
A man named Spinelli shows up severely injured at a hospital emergency room, asking for Mannix. The detective arrives. He's never seen Spinelli before in his life. From this odd beginning, Mannix will be beaten, suspended by Intertect and shot at with a spear gun as he tries to solve a mystery extending back more than 20 years.
S1 • E23
A mystery writer finds a suicide note in his home -- supposedly written by himself. The author specializes in stories that are based on actual cases and he's working on a new novel taken from an unsolved murder. Mannix tries to protect the author, but the writer insists on trying to work on the case. This complicates things greatly for Mannix. In addition, Mannix must deal with a collection of shady characters as he tries to find the would-be killer.
S1 • E24
Wealthy art collector Calvin Norris, while visiting an artist friend, sees a woman modeling for a sculptor in the studio across the alley. Norris is shocked. The woman looks exactly like the subject of a Renoir painting he owns. He tries to get to the woman but she is gone before he can get to the sculptor's studio. Norris hires Mannix and Intertect to track the woman down. Norris is more interested in her than the possibility his painting is a forgery. Mannix, relying more on legwork than Intertect's computers, finds the woman, who, it turns out is really an artist and only models occasionally. It also turns out that Lang, the sculptor, is prone to violence. Mannix is convinced Linda is in danger and he's determined to crack the conspiracy.
Joe Mannix
Peggy Fair
Lt. Art Malcolm
Officer Charlie
Lew Wickersham
Lt. Adam Tobias
Hit Man
Doctor
Toby Fair
Man Holding Coffee Cup
