Season 6 · Episode 12 — Lost Sunday

A gang boss engineers a deceptive getaway.

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

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

A yachting misadventure draws Mannix into its deeps.

An aircraft prototype is debuted under mysterious circucmstances.

Undercover in New Orleans.

A amnesiac veteran is up to his stripes in mischief.

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

Return of a gang boss with indeterminate friends and enemies.

Rivalry amongst the orange trees.

A colleague's murder leaves an open casebook.

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

A murder investigation bumps up against hard evidence.

A murder suspect is a man with no identity.

A boastful nemesis takes Peggy for bait.

A traffic accident uncovers a clueless murder.

Peggy goes undercover to nab a dope ring.

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

Conflicting confessions have to be sifted.

A political candidate asks to be vetted.

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

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

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