1Dark So Early, Dark So Long
A blackmail victim is headed for prison.
2Cold Trail
A big kidnapping plot and an insignificant victim.
3A Step in Time
Mannix is the eyewitness of a murder; reportedly, it occurred a year before.
4Wine From These Grapes
A labor dispute in his home town ends in murder.
5Woman in the Shadows
Soviet agents want Marx's manuscript of Das Kapital, and a young woman has just inherited part of it.
6Days Beyond Recall
A skid row bum is concealing his identity.
7Run Till Dark
A contract is taken out on a Little League manager.
8The Glass Trap
Strange circumstances surround an arrest by Mannix.
9A Choice of Evils
Peggy is kidnapped to force Mannix into an investigation.
10A Button for General D
The Case of the Singing Harp: a singer is kidnapped to reveal hidden loot.
11The Man Outside
Blackmail has its twists and turns.
12Murder Times Three
Hired and fired, Mannix pursues a missing person.
13Catspaw
Blackmail turns to murder and beyond.
14To Save a Dead Man
Evidence rules out one confession, indicates another.
15Nightshade
Disappearing enemies and friends force Mannix into a blackmail investigation.
16Babe in the Woods
Murder on the golf course leads to open season on Mannix, who's looking for valuable microcircuit plans hidden by the victim.
17The Sound of Murder
A dubious client is caught in his own machinations.
18Moving Target
The fictitious name on a partnership contract apparently comes to life.
19Cry Pigeon
Mannix in the middle of a gang war.
20A Walk in the Shadows
In defense of a client accused of murder.
21Lifeline
A singer piles into mounting trouble with the law.
22To Draw the Lightning
Was a police shooting premeditated? Mannix is on (and off) the case.
23Scapegoat
Mannix transports jewels from London, or is that his double?
24Death in the Fifth Gear
A racing accident lays Mannix up. While recuperating, he hears threats against him, but are they real?