Season 6

Sep 17, 1972 · 52 min

A gang boss engineers a deceptive getaway.

Sep 24, 1972 · 52 min

A priest's vows give a murderer a second chance.

Oct 1, 1972 · 52 min

A medical practitioner finds that someone is out to get him.

Oct 8, 1972 · 52 min

A yachting misadventure draws Mannix into its deeps.

Oct 15, 1972 · 52 min

An aircraft prototype is debuted under mysterious circucmstances.

Oct 22, 1972 · 52 min

Undercover in New Orleans.

Oct 29, 1972 · 52 min

A amnesiac veteran is up to his stripes in mischief.

Nov 5, 1972 · 52 min

A stamp collection goes missing, and a starving artist gets rich.

Nov 12, 1972 · 52 min

Return of a gang boss with indeterminate friends and enemies.

Nov 19, 1972 · 52 min

Rivalry amongst the orange trees.

Nov 26, 1972 · 52 min

A colleague's murder leaves an open casebook.

Dec 3, 1972 · 52 min

Exposing a cover-up puts Mannix in hot water.

Dec 10, 1972 · 52 min

A trail of evidence indicates a friend of Peggy's.

Dec 17, 1972 · 52 min

A murder investigation bumps up against hard evidence.

Dec 24, 1972 · 52 min

A murder suspect is a man with no identity.

Jan 7, 1973 · 52 min

A boastful nemesis takes Peggy for bait.

Jan 14, 1973 · 52 min

A traffic accident uncovers a clueless murder.

Jan 21, 1973 · 52 min

Peggy goes undercover to nab a dope ring.

Jan 28, 1973 · 52 min

A ship lost at sea leaves a survivor and a curious tale.

Feb 4, 1973 · 52 min

Conflicting confessions have to be sifted.

Feb 18, 1973 · 52 min

A political candidate asks to be vetted.

Feb 25, 1973 · 52 min

Someone is trying to kill a bum for his ""coat of many colors.""

Mar 4, 1973 · 52 min

An ex-con's daughter is suspected in murders surrounding the unrecovered loot.

Mar 11, 1973 · 52 min

Political blackmail turns to mischief when the blackmailer is found to be long dead.