Season 3

1969-09-27 · 52m

Two pals of Peggy's are accused of murder, and the real killer is elusive.

1969-10-04 · 52m

A colleague's death leads Mannix into a dubious investigation.

1969-10-11 · 52m

Old home week, as Mannix looks into a murder and tries to make up with his father.

1969-10-18 · 52m

Someone is out to get a film star.

1969-10-25 · 52m

Mannix reopens a malpractice case against opposition.

1970-03-28 · 52m

Three thugs hold Mannix, Peggy, and a woman hostage, claiming they want the $312,000 she has in a briefcase at home, but they may be after something even more valuable.

1969-11-08 · 52m

An accidental drowning has many surprising facets.

1969-11-22 · 52m

A secretary has an enemy, but who?

1969-11-29 · 52m

A hit-and-run case lands Mannix in the middle of a gang war.

1969-12-06 · 52m

A killer's attempt leaves Mannix blind.

1969-12-13 · 52m

The attempted murder of an executive leads Mannix to several likely suspects.

1969-12-20 · 52m

A stolen thoroughbred has Mannix buffaloed.

1969-12-27 · 52m

A policeman's son is suspected in a robbery.

1970-01-03 · 52m

Peggy's late husband is named on a list of payoffs.

1970-01-10 · 52m

A wealthy man hires Mannix to find the person blackmailing him—eventually leading to Mannix being suspected of murder.

1970-01-17 · 52m

Eyewitnesses peg Mannix's client, but the victim isn't what he seems, either.

1970-01-24 · 52m

A domestic quarrel, and a missing secretary, make for a confusing case—“Rashomon”-style.

1970-01-31 · 52m

Mannix tries to locate an heir, who is brought into danger by the attention.

1970-02-07 · 52m

A murder in the offing implicates an old army chum, but the victim's identity is uncertain.

1970-02-14 · 52m

Mannix has an enemy who seems to be dead.

1970-02-28 · 52m

A colleague's death leaves Mannix with the evidence he was murdered for.

1970-03-07 · 52m

A TV host's murder proves difficult to investigate, as everyvbody wants it canceled.

1970-03-14 · 52m

Mobsters try to extort a million from a small town.

1970-03-21 · 52m

Carnival mishaps may be aimed at the proprietor.