A ruthless conductor murders the gifted pianist with whom he is having an affair. Lt. Columbo is on the case.
A séance is attended by the ghost of a woman's dead husband. The woman is a friend of the McMillans, and they they leap into action to rescue her sanity and her life.
When McCloud, on stakeout at a grocery store, spots a suspect in a three-year-old Taos bank robbery-bombing and arrests him, the thief's accomplices pull every trick in the book to spring or kill the robber.
An aging lawman in 1901 Oklahoma employs the latest crime detection techniques to solve the murder of a homesteading couple while overcoming the skepticism of his young, college-educated police chief.
Columbo arrives at a kidnapping case, which at some point turns to worse. Everything seems to be related to a trust fund managed by a man with a great love for orchids.
A composer/pianist whose latest work is dedicated to Sally is stabbed in his apartment which contains items that point to a relationship with her, although she had not met him previously.
Legendary outlaw Wes Durham is being held in the New Prospect jail, awaiting a new form of execution: electric chair. Hec's job is to uncover and capture an admirer of the outlaw, who is killing a person each day until Durham is set free.
The manager of a football team murders its callow owner, making it look as if the young man had had an accident in his swimming pool. Lt. Columbo is on the case.
Sergeant Enright's abusive ex-wife is shot while locked in a room alone with him, and the bullet that kills her came from his gun--a weapon he was holding at the time of the shooting.
In London, a respected Shakespearean acting duo cover up the unintended killing of their producer.
Flight attendants on the European beat assemble a jewelry collection by stealing it piecemeal, and murdering anyone who stands in their way.
The mob doesn't want a man named Benson to testify. To prevent this, they kidnap Mac and replace him with a shady lookalike to impersonate him.
Hec sets out to uncover the killers of a family of settlers. Their arrow-pierced bodies and a brave's medicine sack containing a green feather implicate the Indians, but Hec is reluctant to rush to judgment.
McCloud and an undercover policewoman infiltrate a huge ring of car thieves and chop shops.
McCloud befriends a model who's being used as a pawn in a drug-smuggling ring in which mules leave drugs inside planes to be picked up by the cleaning crew.
Sally is the victim of a purse-snatcher. But when her purse is returned, and the thief is found dead, Mac realizes Sally has a secret admirer with a deadly obsession.
A faded movie actress commits murder. Lt. Columbo, one of her biggest fans, is on the case.
Hec pursues a check forger to Santa Rita, New Mexico, where Hec meets and rekindles an old flame. Hec plays attorney to free a friend being framed for murder, which puts him afoul of Henry T. Madden, a tyrant who holds the town in fear.
A deadly game of Button Button Who's Got the Button, centered around a priceless statuette coveted by a murderous thief, a crooked cop, various operators and an 8-year-old pickpocket.
A surgeon has an ingenious plan for murdering his partner in a research project, but a nurse catches onto the scheme.
Hec quits his job and relocates to Enid, Oklahoma, where he immediately finds himself hard driven to solve a tragic double-homicide.
A chess player murders his opponent before a big match. Lt. Columbo must out-maneuver this crafty, but craven, killer.
Sally is kidnapped by an international syndicate that is after a Rembrandt painting currently on loan to the San Francisco Art Museum from the Prado.
A smarmy TV chef and his identical twin brother, a rigidly proper banker, are suspects in the electrocution of their rich uncle.
Someone seems to want Sally's Uncle Cyrus dead. Mac and Sally are in a race to find who wants him dead before it's too late.