Season 4 - Episode Guide

Episode: 4x01 | Airdate: Sep 19, 1975

Episode: 4x02 | Airdate: Sep 26, 1975

An aging theatre star trying to make a comeback is being terrorised by someone who doesn't want to see that happen.

Episode: 4x03 | Airdate: Oct 3, 1975

A mentally unstable young man who was declared innocent of murder by reason of insanity several years ago is once again suspected of murder.

Episode: 4x04 | Airdate: Oct 10, 1975

A woman suspects her photographer fiance's death is linked to a murder story.

Episode: 4x05 | Airdate: Oct 17, 1975

After a man's wife disappears on their wedding day the concerned husband asks Barnaby to look into what may have prompted her to run away.

Episode: 4x06 | Airdate: Oct 24, 1975

Barnaby leads an independent investigation into the death of two people as a result of intense competition within a firm.

Episode: 4x07 | Airdate: Oct 31, 1975

Susan Byrd is the roommate of a stewardess, found dead from an apparent drug overdose.

Episode: 4x08 | Airdate: Nov 7, 1975

When a hotel owner mysteriously dies on his honeymoon, Barnaby is sent by an insurance company to investigate.

Episode: 4x09 | Airdate: Nov 14, 1975

While investigating a case where a doctor is accused of murdering his colleague's wife, Barnaby tries to protect the teenaged witness to the crime.

Episode: 4x10 | Airdate: Nov 21, 1975

Barnaby attempts to find out whether the dog that killed a boy's stepfather was trained to attack to determine who was responsible.

Episode: 4x11 | Airdate: Nov 28, 1975

Episode: 4x12 | Airdate: Dec 4, 1975

Episode: 4x13 | Airdate: Dec 11, 1975

Episode: 4x14 | Airdate: Dec 18, 1975

Episode: 4x15 | Airdate: Jan 1, 1976

A coach attempts to avoid a scandal after a swimmer aspiring to compete in the Olympics dies mysteriously.

Episode: 4x16 | Airdate: Jan 8, 1976

Episode: 4x17 | Airdate: Jan 15, 1976

Episode: 4x18 | Airdate: Jan 29, 1976

Episode: 4x19 | Airdate: Feb 5, 1976

Episode: 4x20 | Airdate: Feb 12, 1976

Episode: 4x21 | Airdate: Feb 26, 1976

While looking into a fatal car accident, Barnaby Jones stumbles upon an intricate plot to defraud a bank.

Episode: 4x22 | Airdate: Mar 4, 1976

Barnaby's investigation of a young woman who was found dead on a beach leads him to discover the body of a young man.

Episode: 4x23 | Airdate: Mar 11, 1976

Episode: 4x24 | Airdate: Mar 18, 1976

Barnaby poses as an eccentric adventurer to investigate murder attempts on a millionaire.