E1
Two pals of Peggy's are accused of murder, and the real killer is elusive.
E2
A colleague's death leads Mannix into a dubious investigation.
E3
Old home week, as Mannix looks into a murder and tries to make up with his father.
E4
Someone is out to get a film star.
E5
Mannix reopens a malpractice case against opposition.
E6
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.
E7
An accidental drowning has many surprising facets.
E8
A secretary has an enemy, but who?
E9
A hit-and-run case lands Mannix in the middle of a gang war.
E10
A killer's attempt leaves Mannix blind.
E11
The attempted murder of an executive leads Mannix to several likely suspects.
E12
A stolen thoroughbred has Mannix buffaloed.
E13
A policeman's son is suspected in a robbery.
E14
Peggy's late husband is named on a list of payoffs.
E15
A wealthy man hires Mannix to find the person blackmailing him—eventually leading to Mannix being suspected of murder.
E16
Eyewitnesses peg Mannix's client, but the victim isn't what he seems, either.
E17
A domestic quarrel, and a missing secretary, make for a confusing case—“Rashomon”-style.
E18
Mannix tries to locate an heir, who is brought into danger by the attention.
E19
A murder in the offing implicates an old army chum, but the victim's identity is uncertain.
E20
Mannix has an enemy who seems to be dead.
E21
The strange utterances of a disturbed young girl are clues in a case of robbery and murder.
E22
A colleague's death leaves Mannix with the evidence he was murdered for.
E23
A TV host's murder proves difficult to investigate, as everyvbody wants it canceled.
E24
Mobsters try to extort a million from a small town.
E25
Carnival mishaps may be aimed at the proprietor.