Lucas is drawn to a young widow passing through town on her way to claim an inheritance, but others who covet it are trying to kill her.
A beautiful widow (Julie Adams) asks Bart to protect her from an unknown killer. He accepts — unaware that he is the intended victim.
Glory, a saloon girl, has been banished from town for murder without trial. Yuma offers to help her but while in town he runs afoul of Emma Longdon who has falsely accused Glory to keep her from her brother Don.
Some important things get lost in translation when a South American oil explorer agrees to have his loyal native assistant take his murderous wife to a head shrinker for her health.
An upcoming test in history, Wally's weakest subject, has Wally studying all weekend and has Larry and Eddie coming up with a plan that will give them good grades on the test.
In the first all-out comic episode of the series, Hoss and Joe travel to Kiowa Flats, Texas, where they are mistaken for the notorious Slade Brothers, also played by Blocker and Landon.
Matt and his friends try to come to the aid of a has-been actor caught cheating at cards.
Alone on a cross-country trip, a woman continually encounters the same mysterious hitch-hiker who inexplicably reappears at various points in her journey.
Mark finds himself in grave danger when two unscrupulous detectives searching for a man's long-lost son claim that it is Mark.
Bret's freedom hinges on the outcome of a card game. He's ecstatic... until he meets his opponent: Bart — who will make a bundle if he wins.
After seeing a man kill his Indian wife over gold, Yuma tries to take him to the nearest fort for trial, but the Indian Chief and father of the murdered woman captures them, and Yuma must convince him that he did not kill her.
A pet fair at school has Beaver feeling left out since he doesn't have a pet, but he tells everyone he does, a parrot. Meanwhile, Ward tries to find a pet for Beaver and buys him a hamster.
As the Civil War approaches, Adam and Joe clash over which side to support. The situation is complicated by the arrival of Frederick Kyle, a Southern sympathizer. He was an old friend of Joe's mother and viewers also discover that Joe's middle name is Francis.
Someone takes a shot at a hard man who is brutal to his wife, and someone is overheard claiming he was offered money to kill the man.
Three astronauts crash-land on an unknown planet and must confront survival challenges, unraveling their unity in the face of desperation.
Chicago, March 31, 1933. Giuseppe ""Joe"" Bucco is at home when he gets a visit from his wife's cousin, Barbara Vittorini-- she says her husband Arturo has been missing for 3 days, and accuses Bucco of killing him. Bucco has his flunkie Abe Garfinkel take her home. Bucco knows about rub-out attempts, Guzik's boys once shot him 4 times, but he lived; Bucco swears to his wife Anna that he doesn't know where Arturo is.
1934. The Depression was over 4 years old, and Al Capone was in Alcatraz. Many of the rackets had seemingly legit fronts, such as Midwest Enterprises, Inc. -- the president is Luigi Renaldo, former lieutenant for Capone. Renaldo is going to Florida on business, and leaving his 2nd-in-command in charge: his Enforcer Paolo Rienzi. But, unbeknownst to his boss, Rienzi tells Tubby to get a couple of guys and work over their accountant,