1967 • 24 Episodes
September 16, 1967
Mannix has side action on a kidnap case.
September 23, 1967
Mannix is hired to find out any dirt on Govenor-elect Adam Pierson, and that's when the trouble starts: with his syndicate connections, people are dying fast.
September 30, 1967
Mannix is set up for the murder of an old girlfriend's husband.
October 7, 1967
A scientist goes missing with a new formula.
October 14, 1967
Mannix takes the case of a death row inmate.
October 21, 1967
A threatened suicide.
October 28, 1967
An incommunicado coed and a murdered basketball player.
November 4, 1967
Mannix is hired to vet a prospective bridegroom.
November 18, 1967
Investigating an insurance claim, Mannix finds himself intensely scrutinized.
November 25, 1967
A missing boy and a cover-up.
December 2, 1967
Blackmail in the film industry.
December 9, 1967
A libel suit against a newspaper at the state capital involves politics and the mob.
December 16, 1967
An undercover cop's murder exposes a vice operation.
December 30, 1967
Undercover at a health farm for boozehounds.
January 6, 1968
Mannix checks out an actress with an enemy.
January 13, 1968
A psychopath's next victim might be his wife.
January 20, 1968
The strong friendship between Lew Wickersham and Mannix melts into a violent and deathly feud. The bitter battle begins when Mannix launches an investigation into the theft of a highly secret formula for the development of a laser ray. Stolen plans and sabotage involve Intertect and their agents.
January 27, 1968
The two paths of the case meet at the water's edge.
February 3, 1968
Mannix quits rather than chase a necklace and a mobster, and stumbles into a case of murder and fraud.
February 10, 1968
A missing million leads Mannix out of Intertect as bait for a drug ring.
February 17, 1968
A faith healer gets blackmailed.
March 2, 1968
Old labor woes come to light after an attempted murder.
March 9, 1968
An unsolved murder and an author with enemies.
March 16, 1968
A fake Renoir is suspected, and the model is in danger.