Evidence rules out one confession, indicates another. Air Date : 15th-Dec-1971

A blackmail victim is headed for prison. Air Date : 15th-Sep-1971  Read More

A big kidnapping plot and an insignificant victim. Air Date : 22nd-Sep-1971  Read More

Mannix is the eyewitness of a murder; reportedly, it occurred a year before. Air Date : 29th-Sep-1971  Read More

A labor dispute in his home town ends in murder. Air Date : 6th-Oct-1971  Read More

Soviet agents want Marx's manuscript of Das Kapital, and a young woman has just inherited part of it. Air Date : 13th-Oct-1971  Read More

A skid row bum is concealing his identity. Air Date : 20th-Oct-1971  Read More

A contract is taken out on a Little League manager. Air Date : 27th-Oct-1971  Read More

Strange circumstances surround an arrest by Mannix. Air Date : 3rd-Nov-1971  Read More

Peggy is kidnapped to force Mannix into an investigation. Air Date : 10th-Nov-1971  Read More

The Case of the Singing Harp: a singer is kidnapped to reveal hidden loot. Air Date : 17th-Nov-1971  Read More

Blackmail has its twists and turns. Air Date : 24th-Nov-1971  Read More

Hired and fired, Mannix pursues a missing person. Air Date : 1st-Dec-1971  Read More

Blackmail turns to murder and beyond. Air Date : 8th-Dec-1971  Read More

Evidence rules out one confession, indicates another. Air Date : 15th-Dec-1971  Read More

Disappearing enemies and friends force Mannix into a blackmail investigation. Air Date : 29th-Dec-1971  Read More

Murder on the golf course leads to open season on Mannix, who's looking for valuable microcircuit plans hidden by the victim. Air Date : 5th-Jan-1972  Read More

A dubious client is caught in his own machinations. Air Date : 12th-Jan-1972  Read More

The fictitious name on a partnership contract apparently comes to life. Air Date : 19th-Jan-1972  Read More

Mannix in the middle of a gang war. Air Date : 26th-Jan-1972  Read More

In defense of a client accused of murder. Air Date : 9th-Feb-1972  Read More

A singer piles into mounting trouble with the law. Air Date : 16th-Feb-1972  Read More

Was a police shooting premeditated? Mannix is on (and off) the case. Air Date : 23rd-Feb-1972  Read More

Mannix transports jewels from London, or is that his double? Air Date : 1st-Mar-1972  Read More

A racing accident lays Mannix up. While recuperating, he hears threats against him, but are they real? Air Date : 8th-Mar-1972  Read More