A huge, alien structure resembling an inverted cone, appears in the woods outside a small rural town. Sent from Washington to investigate the origin of the mysterious object, a team of investigators discovers that intelligent parasites from inside the "cone" can attach themselves to humans' nervous systems and control their minds, taking control of the authorities and workers, making communication with the outside world impossible, and leaving the responsibility of stopping the invasion up to seven people who have thus far been able to avoid possession by these creatures from parts unknown.

Harbor Command is an American action series that aired in syndicated from October 11, 1957, to July 4, 1958. The series stars Wendell Corey as Captain Ralph Baxter, an officer of the United States Coast Guard. The series was produced by Ziv Television Programs.

Alcoholic detective investigating the murder of an actress starts getting worried when all fingers begin to point at him.

Canadian Mountie Sgt. Preston patrols the wilds of the Yukon with his horse Rex and his faithful dog Yukon King, battling both the elements and criminals.

A jewel thief and a con artist are rivals in the theft of a valuable diamond and gem necklace in Bombay and as the Japanese Army invades China.

The Three Mesquiteers, as army scouts, soothe hostilities between the Army and Indians after both have been riled by someone with a hidden agenda - a renegade chief, who is found to be masquerading as an Army interpreter.

A wealthy man hires a poor girl to play his mistress in order to get more attention from his neglectful family.

A group of people traveling on a stagecoach find their journey complicated by the threat of Geronimo, and learn something about each other in the process.

A faded star is suspected of killing a studio executive.

Larry is engaged to Lisbeth Blair but he becomes attentive to Gail, a singer, and is injured in an accident in her apartment. He is slowly going blind and decides that he shouldn't marry Lisbeth. A surgeon restores his sight and he and Lisbeth reconcile to the strains of "My Old Kentucky Home" sung by the Hall Johnson Choir.

A telephone operator covering for a friend's "fling" finds herself in the middle of a major disaster when the city is hit by a big flood and her switchboard is the center of communications.

In this western, the Three Mesquiteers must find a killer and his band after they murder an official from the State Agricultural Service who had come to investigate an outbreak of hoof and mouth disease. The killer is fearful that the official would quarantine his entire herd. Unfortunately for the foolish rancher, if the herd is not isolated, all of his cows and those of his neighbors will die anyway. The heroes are assisted by Buck the clever Great Dane.

As the sheriff of a small western town, Autry sings his way into a relationship with Eleanor, a singer from a Chicago nightclub who earlier witnessed a murder.

Customs agents track a ring of arms smugglers into Hong Kong.

Wealthy Henry Hanley takes his family to a dude ranch. But his daughter Gloria's boyfriend Eric is waiting and he is after Hanley's money. Ken overhears Eric's plan and abducts Gloria to stop the elopement. The outlaw Lacrosse and his henchman then catch Ken without his guns, take off with Gloria, and leave a tied up Ken in a burning shack.

Officer Karl Torok's best friend, Count Alvinczy, is elected president of the Hungarian cabinet. Meanwhile, Alvinczy's wife, Madalaine, receives a message from a blackmailer, threatening her husband. When the blackmailer winds up dead, Madalaine appears to be the most likely suspect. Torok, however, knows the case is more complicated than it seems and dedicates himself to revealing the truth behind the mystery.

When reporter Dan Miller is once again late to meet his girl friend, Helen Murdock, because he is working on a story, Helen breaks up with him. Later, in an effort to reconcile with her, Dan misses an appointment with the district attorney, and is fired when his editor learns that the district attorney was murdered in Dan's absence. The man suspected of the crime, Mitts Coster, is rumored to be traveling to Europe aboard an ocean liner. While Dan's friend, photographer Snapper McGillicuddy, fetches Helen to the boat, under the pretense that Dan is leaving town to forget her, Dan searches the ship for Mitts, whom he does not recognize. When Helen arrives, Dan feigns illness, and she admits her love for him. When Helen learns of Dan's ruse, however, she angrily hits him with a package that a passenger gave her when she boarded the ship. The package contains a passport for Dorothy Madden, who greatly resembles Helen, and $2,000 dollars.

Constance, a poor but aspiring composer, meets the great conductor, Franz, through their old music teacher. They fall in love, despite Constance knowing about Franz's weakness for pretty women.

Gypo Nolan is a former Irish Republican Army man who drowns his sorrows in the bottle. He's desperate to escape his bleak Dublin life and start over in America with his girlfriend. So when British authorities advertise a reward for information about his best friend, current IRA member Frankie, Gypo cooperates. Now Gypo can buy two tickets on a boat bound for the States, but can he escape the overwhelming guilt he feels for betraying his buddy?

A nosy reporter (Nugent) befriends the dumb Coughlin and pushes the Governor to commute his sentence. Now, Coughlin can ride his family's pride and joy in the Kentucky Derby. BUT, the mean old Warden cancels all paroles--and the idiot decides to escape (even though he's only got 10 more months to serve). So, the reporter has a hunch and goes to see if he can find Coughlin--and the Warden deputizes him!! At this point you might wonder if the boy will make good and win the big race

This romantic comedy takes place on an ocean liner. One of the few unattached passengers is heiress Joan Foster. Joan finds herself in the arms of the ship's second officer. Little does she know that he has been hired by her father to keep other men away from her.

Police try to solve a murder on board an ocean liner.

The story of a boy, a dog, and a man. The boy discovers he is heir to a shipping line, and travels to Los Angeles, accompanied by inventor/radio operator Bob Whitlock and Irene Blaine. Their journey is aided by Pal, a wolf dog.

A man and woman fall in love at first sight, but everyone in their universe tries to keep them apart except one old fool with a sentimental heart.

When a good-for-nothing man named Dan is stabbed to death and his arm broken, Charlie Chan is on the case. His first clue comes from the victim's sister, who noticed a prowler wearing a glow-in-the-dark wristwatch.

Ranchowner Slim Perkins is in love with his neighbor's niece, Angelica Wayne, but her aunt and uncle throw him off their property because he is a poor bumbler. One day a stranger buys Slim's ranch for one million dollars because the land contains valuable minerals. Slim and his partner, Andy Jones, are overwhelmed by their new found wealth, but it does not help to soothe Slim's hurt feelings when he finds out that Angelica has gone to England to stay with her other aunt. He decides to bring her his horse, "Cynthia Ann," as a gift, and with Andy and the horse, he sets sail.

People in an old, dark mansion are menaced by a maniac called "The Black Ace".

A Mack Sennett-produced sound short about couples playing bridge through the ages.

A women in prison tale. One's rich, one's poor. Can they prosper after prison?

When motorcycle cop Dick Fay gives a ticket to Phyllis Crawford, her father's graft-fed influence leads to his demotion to foot patrolman.

A wealthy girl hires a male escort to make one of her male friends jealous. She spreads rumours about her character that makes her popular amongst all bachelors in the city including her friend.

Young orphaned brothers Tom and Bob are separated when Bob is taken to an orphan asylum by the authorities and Tom escapes. As time goes by Tom takes to a life of crime, but uses the proceeds to contribute to Bob's education. Years later the brothers meet again when Tom tries to involve Bob in a con game--and neither one knows that the other is his brother. Complications ensue.

Marianne falls in love with con man Valentine who uses their relation to get her father's endorsement on a money-raising scheme. He runs off with the money and Marianne, later dumping her. Her sister Laura loves Dr. Lindley although she knows he loves Marianne. Marianne returns and marries a wealthy young man, and Lindley turns his love toward Laura.

A woman's uncontrollable jealousy over her husband's former girlfriend results in her losing not only her house but her young son is taken away from her.

A policeman doubles as a gunman to get in with the mob.

Duplicitous businessman Henry Lord talks Tony Benton, the weakling brother of heroine Jean Benton, into forging a check. The evidence is framed so that innocent clerk Arthur Rowland is accused of the crime.

Escaping from a revolution, the King of a mythical Balkan country heads to the United States. Here he finds a friend in the form of dashing secret service agent Yorke Norray.

A brilliant detective is trying to break up a notorious crime ring, using part of an intercepted message. While investigating, he meets a beautiful and mysterious countess.

Business is bad for doctors and undertakers, but it's Thanksgiving Day and luck might change.

The daughter of a wealthy industrialist wants to take over the company when her father retires, but the father--an old-fashioned sort who doesn't believe that "girls" belong in business--is planning on leaving the company to her wastrel playboy brother. In order to prove to her dad that she can handle the job, she disguises herself as an ordinary "working girl" and gets a job in her dad's plant. There she meets and falls in love with a clerk. She brings the young man home to meet her folks, but during the evening the family safe is robbed, and all signs point to her new boyfriend.

Harry, The Odd Fellow, is a tenement worker who lives alone in a shack alongside a warehouse and longs for the companionship of a wife and children like other men. One day he spies a pretty girl in his telescope and sends her by carrier pigeon a note that, alas, is received by the wrong party. The Girl marries and, poverty-striken, leaves her husband during a snowstorm. Harry takes her in, and minutes later her child is born. He works like a slave for the mother and child, pretending they are his own. Meanwhile, the husband finds her and comes to the shack on Christmas Eve as Harry is preparing to play Santa Claus. Not realizing the unhappiness she is causing him, The Girl thanks him profusely and leaves with her husband. Overcome, Harry sits overnight on the doorstep and the next morning is found frozen stiff except for his eyes--with amusing results.

A recent parolee tries to go straight with the help of a friendly artist, but his old gang, his sweetheart, and a crooked cop make it difficult for him to escape a life of crime.

Hector Colbert sues his wife Marjorie for a divorce after Peters, an admirer of Marjorie, deliberately compromises her. Colbert's lawyer, Daniel Farr, believing that Marjorie's behavior was wrong, gets the divorce, but he ruins the reputation of a fun-loving woman who was simply bored with her husband. Later, she and Farr meet; she plots a revenge against the lawyer but confesses her fabrication when she realizes that she loves him.