Aired: 9/16/1967
Mannix has side action on a kidnap case.
Aired: 9/23/1967
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.
Aired: 9/30/1967
Mannix is set up for the murder of an old girlfriend's husband.
Aired: 10/7/1967
A scientist goes missing with a new formula.
Aired: 10/14/1967
Mannix takes the case of a death row inmate.
Aired: 10/21/1967
A threatened suicide.
Aired: 10/28/1967
An incommunicado coed and a murdered basketball player.
Aired: 11/4/1967
Mannix is hired to vet a prospective bridegroom.
Aired: 11/18/1967
Investigating an insurance claim, Mannix finds himself intensely scrutinized.
Aired: 11/25/1967
A missing boy and a cover-up.
Aired: 12/2/1967
Blackmail in the film industry.
Aired: 12/9/1967
A libel suit against a newspaper at the state capital involves politics and the mob.
Aired: 12/16/1967
An undercover cop's murder exposes a vice operation.
Aired: 12/30/1967
Undercover at a health farm for boozehounds.
Aired: 1/6/1968
Mannix checks out an actress with an enemy.
Aired: 1/13/1968
A psychopath's next victim might be his wife.
Aired: 1/20/1968
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.
Aired: 1/27/1968
The two paths of the case meet at the water's edge.
Aired: 2/3/1968
Mannix quits rather than chase a necklace and a mobster, and stumbles into a case of murder and fraud.
Aired: 2/10/1968
A missing million leads Mannix out of Intertect as bait for a drug ring.
Aired: 2/17/1968
A faith healer gets blackmailed.
Aired: 3/2/1968
Old labor woes come to light after an attempted murder.
Aired: 3/9/1968
An unsolved murder and an author with enemies.
Aired: 3/16/1968
A fake Renoir is suspected, and the model is in danger.
