E1 - The Open Web

Aired: September 17, 1972

A gang boss engineers a deceptive getaway.

E2 - Cry Silence

Aired: September 24, 1972

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

E3 - The Crimson Halo

Aired: October 01, 1972

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

E4 - Broken Mirror

Aired: October 08, 1972

A yachting misadventure draws Mannix into its deeps.

E5 - Portrait of a Hero

Aired: October 15, 1972

An aircraft prototype is debuted under mysterious circucmstances.

E6 - The Inside Man

Aired: October 22, 1972

Undercover in New Orleans.

E7 - To Kill a Memory

Aired: October 29, 1972

A amnesiac veteran is up to his stripes in mischief.

E8 - The Upside Down Penny

Aired: November 05, 1972

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

E9 - One Step to Midnight

Aired: November 12, 1972

Return of a gang boss with indeterminate friends and enemies.

E10 - Harvest of Death

Aired: November 19, 1972

Rivalry amongst the orange trees.

E11 - A Puzzle for One

Aired: November 26, 1972

A colleague's murder leaves an open casebook.

E12 - Lost Sunday

Aired: December 03, 1972

Exposing a cover-up puts Mannix in hot water.

E13 - See No Evil

Aired: December 10, 1972

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

E14 - Light and Shadow

Aired: December 17, 1972

A murder investigation bumps up against hard evidence.

E15 - A Game of Shadows

Aired: December 24, 1972

A murder suspect is a man with no identity.

E16 - The Man Who Wasn't There

Aired: January 07, 1973

A boastful nemesis takes Peggy for bait.

E17 - A Matter of Principle

Aired: January 14, 1973

A traffic accident uncovers a clueless murder.

E18 - Out of the Night

Aired: January 21, 1973

Peggy goes undercover to nab a dope ring.

E19 - Carol Lockwood, Past Tense

Aired: January 28, 1973

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

E20 - The Faces of Murder

Aired: February 04, 1973

Conflicting confessions have to be sifted.

E21 - Search for a Whisper

Aired: February 18, 1973

A political candidate asks to be vetted.

E22 - To Quote a Dead Man

Aired: February 25, 1973

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

E23 - A Problem of Innocence

Aired: March 04, 1973

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

E24 - The Danford File

Aired: March 11, 1973

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