3x1 - He Who Digs a Grave (1)

September 12, 1973

A writer is down for the murder of his wife and her lover, but she's left a contradictory note. ""Who builds stronger than a mason, a shipwright, or a carpenter?""

3x2 - He Who Digs a Grave (2)

September 12, 1973

Cannon begins to see a doubtful situation. ""The houses he makes last till doomsday.""

3x3 - Memo From a Dead Man

September 19, 1973

Cannon's latest client is a dead man via a will.

3x4 - Hounds of Hell

September 26, 1973

Former soliders in Vietnam come fearfully to Cannon.

3x5 - Target in the Mirror

October 3, 1973

A former syndicate henchman has information wanted by the police and the underworld.

3x6 - Murder by Proxy

October 10, 1973

A prima facie murder case involving a lady journalist.

3x7 - Night Flight to Murder

October 17, 1973

On behalf of an insurance company, Cannon investigates an airplane full of securities.

3x8 - Come Watch Me Die

October 24, 1973

Cannon's engaged to protect a gang boss from the innocent man he sent up the river.

3x9 - The Perfect Alibi

October 31, 1973

A payroll robbery has one main suspect who happens to be in prison.

3x10 - Dead Lady's Tears

November 7, 1973

A young model's death leads to many suspects.

3x12 - Trial by Terror

November 21, 1973

A mob boss on trial has the judge's daughter kidnapped.

3x13 - Murder by the Numbers

November 28, 1973

A blackmailer's murder brings his Swiss wife to America, and Cannon discovers still more dealings.

3x14 - Valley of the Damned

December 5, 1973

Airport drug smugglers frame a worker for murder.

3x15 - A Well Remembered Terror

December 12, 1973

An ex-stewardess is haunted by a hijacking.

3x16 - Arena of Fear

December 19, 1973

A boxer is blackmailed into throwing a fight.

3x17 - Photo Finish

January 2, 1974

A former general hires former policeman Cannon to investigate his brother's murder.

3x18 - Duel in the Desert

January 16, 1974

Cannon suffers amnesia after a ransom drop goes afoul.

3x19 - Where's Jennifer?

January 23, 1974

A recluse asks Cannon to clear up the presumed death of her sister in a boating accident five years before.

3x20 - Blood Money

February 6, 1974

A doctor is accused of helping a prisoner escape.

3x21 - Death of a Hunter

February 13, 1974

A big game hunter is killed by a lion supposedly tranquilized.

3x22 - The Cure That Kills

February 20, 1974

A con man of God.

3x23 - Bobby Loved Me

February 27, 1974

The murder of a con man.

3x24 - Triangle of Terror

March 13, 1974

A banker's daughter finds his suicide in the Caribbean incredible.

3x25 - The Stalker

March 20, 1974

One of Cannon's old busts is a mass murderer, who comes after him on a fishing trip.

3x26 - Endangered Species