Seasons & episodes
S5 · E1Dark So Early, Dark So Long 1971-09-15 · 52 min
A blackmail victim is headed for prison.
S5 · E2Cold Trail 1971-09-22 · 52 min
A big kidnapping plot and an insignificant victim.
S5 · E3A Step in Time 1971-09-29 · 52 min
Mannix is the eyewitness of a murder; reportedly, it occurred a year before.
S5 · E4Wine From These Grapes 1971-10-06 · 52 min
A labor dispute in his home town ends in murder.
S5 · E5Woman in the Shadows 1971-10-13 · 52 min
Soviet agents want Marx's manuscript of Das Kapital, and a young woman has just inherited part of it.
S5 · E6Days Beyond Recall 1971-10-20 · 52 min
A skid row bum is concealing his identity.
S5 · E7Run Till Dark 1971-10-27 · 52 min
A contract is taken out on a Little League manager.
S5 · E8The Glass Trap 1971-11-03 · 52 min
Strange circumstances surround an arrest by Mannix.
S5 · E9A Choice of Evils 1971-11-10 · 52 min
Peggy is kidnapped to force Mannix into an investigation.
S5 · E10A Button for General D 1971-11-17 · 52 min
The Case of the Singing Harp: a singer is kidnapped to reveal hidden loot.
S5 · E11The Man Outside 1971-11-24 · 52 min
Blackmail has its twists and turns.
S5 · E12Murder Times Three 1971-12-01 · 52 min
Hired and fired, Mannix pursues a missing person.
S5 · E13Catspaw 1971-12-08 · 52 min
Blackmail turns to murder and beyond.
S5 · E14To Save a Dead Man 1971-12-15 · 52 min
Evidence rules out one confession, indicates another.
S5 · E15Nightshade 1971-12-29 · 52 min
Disappearing enemies and friends force Mannix into a blackmail investigation.
S5 · E16Babe in the Woods 1972-01-05 · 52 min
Murder on the golf course leads to open season on Mannix, who's looking for valuable microcircuit plans hidden by the victim.
S5 · E17The Sound of Murder 1972-01-12 · 52 min
A dubious client is caught in his own machinations.
S5 · E18Moving Target 1972-01-19 · 52 min
The fictitious name on a partnership contract apparently comes to life.
S5 · E19Cry Pigeon 1972-01-26 · 52 min
Mannix in the middle of a gang war.
S5 · E20A Walk in the Shadows 1972-02-09 · 52 min
In defense of a client accused of murder.
S5 · E21Lifeline 1972-02-16 · 52 min
A singer piles into mounting trouble with the law.
S5 · E22To Draw the Lightning 1972-02-23 · 52 min
Was a police shooting premeditated? Mannix is on (and off) the case.
S5 · E23Scapegoat 1972-03-01 · 52 min
Mannix transports jewels from London, or is that his double?
S5 · E24Death in the Fifth Gear 1972-03-08 · 52 min
A racing accident lays Mannix up. While recuperating, he hears threats against him, but are they real?