Season 5

1971-09-15

A blackmail victim is headed for prison.

1971-09-22

A big kidnapping plot and an insignificant victim.

1971-09-29

Mannix is the eyewitness of a murder; reportedly, it occurred a year before.

1971-10-06

A labor dispute in his home town ends in murder.

1971-10-13

Soviet agents want Marx's manuscript of Das Kapital, and a young woman has just inherited part of it.

1971-10-20

A skid row bum is concealing his identity.

1971-10-27

A contract is taken out on a Little League manager.

1971-11-03

Strange circumstances surround an arrest by Mannix.

1971-11-10

Peggy is kidnapped to force Mannix into an investigation.

1971-11-17

The Case of the Singing Harp: a singer is kidnapped to reveal hidden loot.

1971-11-24

Blackmail has its twists and turns.

1971-12-01

Hired and fired, Mannix pursues a missing person.

1971-12-08

Blackmail turns to murder and beyond.

1971-12-15

Evidence rules out one confession, indicates another.

1971-12-29

Disappearing enemies and friends force Mannix into a blackmail investigation.

1972-01-05

Murder on the golf course leads to open season on Mannix, who's looking for valuable microcircuit plans hidden by the victim.

1972-01-12

A dubious client is caught in his own machinations.

1972-01-19

The fictitious name on a partnership contract apparently comes to life.

1972-01-26

Mannix in the middle of a gang war.

1972-02-09

In defense of a client accused of murder.

1972-02-16

A singer piles into mounting trouble with the law.

1972-02-23

Was a police shooting premeditated? Mannix is on (and off) the case.

1972-03-01

Mannix transports jewels from London, or is that his double?

1972-03-08

A racing accident lays Mannix up. While recuperating, he hears threats against him, but are they real?