E1 - The Girl in the Polka Dot Dress

Aired: September 16, 1973

A premonition is the only clue.

E2 - A Way to Dusty Death

Aired: September 23, 1973

A quiet town is ruffled by Mannix in his search for a missing youth.

E3 - Climb a Deadly Mountain

Aired: September 30, 1973

An escaped convict saves Mannix's life.

E4 - Little Girl Lost

Aired: October 07, 1973

Mannix probes a journalist's murder.

E5 - The Gang's All Here

Aired: October 14, 1973

A street gang plots to do Mannix in to make a name for itself.

E6 - Desert Run

Aired: October 21, 1973

A search inquiry proves hazardous, and Mannix finds his client is a ringer.

E7 - Silent Target

Aired: October 28, 1973

On vacation, Mannix discovers a hit operation.

E8 - A World Without Sundays

Aired: November 04, 1973

A girl disappears, and Mannix investigates her Vegas connection.

E9 - Sing a Song of Murder

Aired: November 11, 1973

An opera diva emerges from retirement and is met with inexplicable attempts on her life.

E10 - Search in the Dark

Aired: November 25, 1973

Mannix tracks down stolen jewels also wanted by a blind hood.

E11 - The Deadly Madonna

Aired: December 02, 1973

An actress claims a bizarre murder attempt.

E12 - Cry Danger

Aired: December 09, 1973

An old girlfriend makes Mannix the man in the middle of rival smugglers.

E13 - All the Dead Were Strangers

Aired: December 16, 1973

A plane crash is followed by murder attempts.

E14 - Race Against Time (1) (a.k.a.) A Matter of the Heart

Aired: January 06, 1974

A patriot in a dictatorship needs medical help.

E15 - Race Against Time (2) (a.k.a.) A Matter of the Heart

Aired: January 13, 1974

The patriotic resistance finds a traitor amongst them.

E16 - The Dark Hours

Aired: January 20, 1974

In possession of a piece of evidence, Mannix is shot and left for dead.

E17 - A Night Full of Darkness

Aired: January 27, 1974

A double set-up puts Lt. Malcolm behind bars.

E18 - Walk a Double Line

Aired: February 10, 1974

An open and shut case gets padlocked.

E19 - The Girl From Nowhere

Aired: February 17, 1974

A little girl is killed leaving no identity.

E20 - Rage to Kill

Aired: February 24, 1974

A psychiatrist who treats sociopaths is supposed to have committed suicide.

E21 - Mask For a Charade

Aired: March 03, 1974

A murder's clues indicate a cop.

E22 - A Question of Murder

Aired: March 10, 1974

A clueless investigation goes on pluck.

E23 - Trap for a Pigeon

Aired: March 24, 1974

Bribery money is taken in a robbery.

E24 - The Ragged Edge

Aired: March 31, 1974

The ravages of heroin.