September 15, 1971 • 52m
A blackmail victim is headed for prison.
September 22, 1971 • 52m
A big kidnapping plot and an insignificant victim.
September 29, 1971 • 52m
Mannix is the eyewitness of a murder; reportedly, it occurred a year before.
October 6, 1971 • 52m
A labor dispute in his home town ends in murder.
October 13, 1971 • 52m
Soviet agents want Marx's manuscript of Das Kapital, and a young woman has just inherited part of it.
October 20, 1971 • 52m
A skid row bum is concealing his identity.
October 27, 1971 • 52m
A contract is taken out on a Little League manager.
November 3, 1971 • 52m
Strange circumstances surround an arrest by Mannix.
November 10, 1971 • 52m
Peggy is kidnapped to force Mannix into an investigation.
November 17, 1971 • 52m
The Case of the Singing Harp: a singer is kidnapped to reveal hidden loot.
November 24, 1971 • 52m
Blackmail has its twists and turns.
December 1, 1971 • 52m
Hired and fired, Mannix pursues a missing person.
December 8, 1971 • 52m
Blackmail turns to murder and beyond.
December 15, 1971 • 52m
Evidence rules out one confession, indicates another.
December 29, 1971 • 52m
Disappearing enemies and friends force Mannix into a blackmail investigation.
January 5, 1972 • 52m
Murder on the golf course leads to open season on Mannix, who's looking for valuable microcircuit plans hidden by the victim.
January 12, 1972 • 52m
A dubious client is caught in his own machinations.
January 19, 1972 • 52m
The fictitious name on a partnership contract apparently comes to life.
January 26, 1972 • 52m
Mannix in the middle of a gang war.
February 9, 1972 • 52m
In defense of a client accused of murder.
February 16, 1972 • 52m
A singer piles into mounting trouble with the law.
February 23, 1972 • 52m
Was a police shooting premeditated? Mannix is on (and off) the case.
March 1, 1972 • 52m
Mannix transports jewels from London, or is that his double?
March 8, 1972 • 52m
A racing accident lays Mannix up. While recuperating, he hears threats against him, but are they real?