A young ruffian involved in a failed stickup learns some hard facts of life during a police interrogation.
The shooting of several members of an outlaw gang, though in self defense, triggers an emotional crisis in Matt, haunted by memories of all the men he has killed (Lawrence Dobkin, Russell Johnson, and Gloria Marshall appear).
After years of living side by side, the Ricardos leave the Mertzes, after a bittersweet departure, and begin their new life in the suburbs.
A man begins to suspect that his wife is trying to poison him.
Townspeople protect an outlaw (Carl Betz) they believe has reformed (Tige Andrews, Joe De Santis, John Dierkes, Marianne Stewart, and Ward Wood appear).
Habitual tenants, Lucy and Ricky have second thoughts about the purchase of their new Connecticut home.
A wealthy older man confronts the young, handsome suitor (Horton) that his wife is leaving him for.
A young gunfighter, Tom Clegg, forces farmer Abe Curry into a duel and kills him. Matt can't arrest Clegg since Abe drew first. However, Abe's brother Morgan plots revenge.
After spending an idyllic weekend in Connecticut with friends, Lucy decides she wants to change her surroundings entirely.
A crafty, resourceful criminal being transported via train tries to bribe his escorting police sergeant for his freedom.
A bank robber (Robert H. Harris) murders his wife and frames Tobeel (Frank de Kova) for the crime (Paul Lambert appears).
When Little Ricky brings home a puppy, his parents try to tell him to take it back, but they can't bring themselves to do it when they see how cute it is.
A district attorney faces a crisis in his campaign for governor when his mentally unstable brother decides to eliminate the competition.
An Indian woman (Angie Dickinson) faces prejudice for her father's raid on Dodge City (Peter Whitney and Paul Wexler appear).
Lucy competes with her friend Carolyn Appleby over invitations and scheduling for Little Ricky's birthday party. When her husband Ricky mentions that Superman is in town, Lucy tries to get Superman to come to Little Ricky's party, sure that this will make it a much bigger draw than the one Carolyn is hosting. Ricky tries, but Superman can't make the party. So Lucy disguises herself as Superman, but gets herself into great peril. Fortunately, the real Superman does show up to save the day.
A man agrees to help his pretty neighbor, an actress, to hide her murdered husband. But his good deed backfires when he becomes a suspect.
Matt traps a cattleman (Tyler McVey) who shot two homesteaders (including Roy Engel) (Malcolm Atterbury and Vivi Janiss appear).
After Ricky makes fun of Lucy's new hat, she puts on a trophy that Ricky is supposed to present at a ceremony. She finds out it goes on a lot easier than it comes off.