Lucy Carter, a widow with two teen children, takes a job as a secretary for her stuffy brother-in-law.
A former Marshall helps Matt by filling in for Matt, after he is wounded and sent to bed so he can rest.
The wife of Virginia City's new doctor leaves him, after their son dies in childbirth. The doctor snaps and abducts another woman's baby.
Mary attends her high school reunion and meets up with her former boyfriend Howard Arnell, who continues to have feelings for Mary. Meanwhile, Rhoda tags along believing that people will ""remember"" her although she didn't attend Roseburg High.
Mike and Gloria campaign for the liberal candidate in a local election, while Archie places himself in the opposing camp.
Musicians are being kidnapped all over the country, so The Goodies become famous musicians too, eventually get stolen and come face-to-face with their arch-enemy - The Music Master.
Keith decides he has to be a better role model to his younger brothers and sisters, but it seems like everything backfires.
When Marcia gets the lead as Juliet in the school play, she lets it go to her head, which causes her to become unbearable at home and at school and plays as the major reason why she is replaced by her understudy.
After Brett loses seven days, Danny thinks Brett is acting strange but Brett thinks someone is impersonating him. They both can't be right.
Hannibal Heyes and Kid Curry, two of the most wanted outlaws in the history of the West, are popular "with everyone except the railroads and the banks".
An intrepid mercenary accepts a $15,000 bet to stay overnight in a haunted house. A Nazi general hunting for resistance fighters gets a strangely warm welcome at a Balkan castle.
The European vacation is over when Darrin and Samantha pack up and are about to head home. Their departure is disrupted when Larry and Louise invites them to spend a weekend at the Duke of Whitset's hotel castle. It turns out that this hotel is hanuted by a ghost named Henry, who happens to be the Duke's ancestor. Harry is turned on by Samantha, and to get a little bit close to her, he possesses Darrin's body. When Harry (in Darrin's body) is shut down by Sam, he moves on to Louise! Samantha calls up a lady ghost to ward Harry off. Darrin gets his body back when Harry leaves it to be with the lady ghost. Now we can call it a day in Europe as the cast heads for home.
A famous general kills a business associate, then woos a neurotic female witness to thwart Columbo's investigation.
Chief Ironside's sponsored "daughter" arrives from Korea, intending to marry a fellow Korean now living in San Francisco. Before he can be fully happy about the marriage, however, the Chief wants to know a little more about her fiancè; and soon finds out that the young man is in trouble.
Julie, Linc and Pete attend a dune buggy race where a pickup truck blows up, killing a young man Julie had just met. The trio then investigate the incident, suspecting foul play.