Aired: 9/15/1971
A blackmail victim is headed for prison.
Aired: 9/22/1971
A big kidnapping plot and an insignificant victim.
Aired: 9/29/1971
Mannix is the eyewitness of a murder; reportedly, it occurred a year before.
Aired: 10/6/1971
A labor dispute in his home town ends in murder.
Aired: 10/13/1971
Soviet agents want Marx's manuscript of Das Kapital, and a young woman has just inherited part of it.
Aired: 10/20/1971
A skid row bum is concealing his identity.
Aired: 10/27/1971
A contract is taken out on a Little League manager.
Aired: 11/3/1971
Strange circumstances surround an arrest by Mannix.
Aired: 11/10/1971
Peggy is kidnapped to force Mannix into an investigation.
Aired: 11/17/1971
The Case of the Singing Harp: a singer is kidnapped to reveal hidden loot.
Aired: 11/24/1971
Blackmail has its twists and turns.
Aired: 12/1/1971
Hired and fired, Mannix pursues a missing person.
Aired: 12/8/1971
Blackmail turns to murder and beyond.
Aired: 12/15/1971
Evidence rules out one confession, indicates another.
Aired: 12/29/1971
Disappearing enemies and friends force Mannix into a blackmail investigation.
Aired: 1/5/1972
Murder on the golf course leads to open season on Mannix, who's looking for valuable microcircuit plans hidden by the victim.
Aired: 1/12/1972
A dubious client is caught in his own machinations.
Aired: 1/19/1972
The fictitious name on a partnership contract apparently comes to life.
Aired: 1/26/1972
Mannix in the middle of a gang war.
Aired: 2/9/1972
In defense of a client accused of murder.
Aired: 2/16/1972
A singer piles into mounting trouble with the law.
Aired: 2/23/1972
Was a police shooting premeditated? Mannix is on (and off) the case.
Aired: 3/1/1972
Mannix transports jewels from London, or is that his double?
Aired: 3/8/1972
A racing accident lays Mannix up. While recuperating, he hears threats against him, but are they real?
