Overview: Two pals of Peggy's are accused of murder, and the real killer is elusive.
Overview: A colleague's death leads Mannix into a dubious investigation.
Overview: Old home week, as Mannix looks into a murder and tries to make up with his father.
Overview: Someone is out to get a film star.
Overview: Mannix reopens a malpractice case against opposition.
Overview: Three thugs hold Mannix, Peggy, and a woman hostage, claiming they want the $312,000 she has in a briefcase at home, but they may be after something even more valuable.
Overview: An accidental drowning has many surprising facets.
Overview: A secretary has an enemy, but who?
Overview: A hit-and-run case lands Mannix in the middle of a gang war.
Overview: A killer's attempt leaves Mannix blind.
Overview: Lots of people want an executive out of the way.
Overview: A stolen thoroughbred has Mannix buffaloed.
Overview: A policeman's son is suspected in a robbery.
Overview: Peggy's late husband is named on a list of payoffs.
Overview: A blackmailing case has highs and lows.
Overview: Eyewitnesses peg Mannix's client, but the victim isn't what he seems, either.
Overview: A domestic quarrel leads to a murder, and the investigation to an earlier incident.
Overview: Mannix tries to locate an heir, who is brought into danger by the attention.
Overview: A murder in the offing implicates an old army chum, but the victim's identity is uncertain.
Overview: Mannix has an enemy who seems to be dead.
Overview: The strange utterances of a disturbed young girl are clues in a case of robbery and murder.
Overview: A colleague's death leaves Mannix with the evidence he was murdered for.
Overview: A TV host's murder proves difficult to investigate, as everyvbody wants it canceled.
Overview: Mobsters try to extort a million from a small town.
Overview: Carnival mishaps may be aimed at the proprietor.