Ex-private detective Barnaby Jones comes out of retirement to find his son's killer; guests Bradford Dillman, William Conrad.
Barnaby seeks a husband (William Shatner) who embezzled his wife's money then staged his own murder.
An ex-convict (Gary Lockwood) torments Barnaby and Betty with threatening letters and gifts.
Two prep-school students try to conceal an accidental death by framing a man; guest Geraldine Brooks.
To recover incriminating files, an attorney (Eric Braeden) kills a colleague then romances the widow (Sharon Acker).
Barnaby uncovers Mexican drug-dealing when a woman hires him to locate her father.
Barnaby suspects foul play in the disappearance of an author who fictionalized wealthy people's lives; guest Anne Francis.
Two show-business managers concoct a kidnapping plot to profit from a rock musician's accidental death; guest Andy Kim.
A man arranges to meet with Barnaby about a case then is slain before Jones arrives; guest Roddy McDowall.
Barnaby goes to a country town to recover money carried by a hit-and-run victim.
Barnaby's murder case against a husband (Bill Bixby) crumbles when his wife, the victim, turns up alive.
Barnaby suspects a fading film star (Barry Sullivan) involved in drugs caused an actress's death.
Barnaby believes a thief-turned-author (Peter Haskell) used a TV appearance to cover a robbery.