24 episodesFirst aired 19 September 1970
E1Sept 197052m
An acquaintance from Korean War days has a bone to pick.
E2Sept 197052m
Mannix is up to his private investigator's license in trouble, when a surprising source offers help.
E3Oct 197052m
A boxer's on the lam after a fixer's murder.
E4Oct 197052m
Someone keeps missing Mannix, but who's the real target?
E5Oct 197052m
Mannix is poisoned, and only the poisoner knows how.
E6Oct 197052m
Death row inmates force a case to be investigated.
E7Oct 197052m
A plunger disappears after a night in Vegas.
E8Nov 197052m
An African Premier is in the hospital incognito, where Peggy is laid up with on-the-job injuries.
E9Nov 197052m
Mannix stumbles into a mob plot at a highway cafe.
E10Nov 197052m
A Nazi Party figure turns up in the routine investigation of a helicopter crash.
E11Nov 197052m
A little girl is the key to a murder.
E12Dec 197052m
A seer foretells the end of Mannix, and it looks as if she may be right.
E13Dec 197052m
After her husband commits suicide in Hong Kong, Ellen Gray finds she's being shadowed by a Vietnamese for reasons that neither she nor Mannix can fathom.
E14Jan 197152m
A widow's husband was a man of mystery.
E15Jan 197152m
Mannix vaguely remembers a girl's death, but that's about all.
E16Jan 197152m
A cop under suspicion goes missing.
E17Jan 197152m
A threatened cop is in need of protection.
E18Jan 197152m
Threats prevent the discovery of a murder.
E19Feb 197152m
Ross and Alex are members of Mannix's college football team who put together an unconventional reunion in a ghost town. The reunion ends in murder and reveals years of deceit and jealousy that come to light in a series of bizarre and morbid.
E20Feb 197152m
A varsity basketball player vanishes strangely, and is sought curiously.
E21Feb 197152m
After an automobile accident, an Olympic diver receives threats.
E22Feb 197152m
An heiress suspects foul play.
E23Mar 197152m
Joe Mannix receives an urgent letter from a woman named Lynn Sargent asking him to fly to Arizona. She meets him at the airport and hands him a check for $1,000 and a small sealed package, telling him the money is his fee to take the package to the Los Angeles Police Department. Just as she does so, two men try to take the package, but Mannix manages to retain it after a scuffle. But the mystery deepens when the package turns out to contain nothing but blank sheets of paper -- and the police chief in the town tells Mannix that Lynn Sargent died a month earlier in a hit-and-run accident.
E24Mar 197152m
A serial killer's accounts may have been padded.