Beau Maverick (played by James Garner), father of Bret and Bart announces that he is getting married. The Maverick boys discover that the marriage is a business arrangement, not a love commitment. The young girl, Josephine St. Cloud is being forced by her father to marry the older Beau Maverick. The brothers set out to sabotage the wedding plans, not knowing that Beau Maverick already had a plan.

Sheriff Bret astounds himself as well as the townspeople by taming the trail herders who have been devastating the town, beats a gang of bank robbers at their own game, but has to summon the aid of brother Bart when his eye for a woman's beauty lands him in his own lockup.

Bart is involved in a bizarre murder plot — in which he is high on the list of planned victims.

Bret Maverick falls for a soft-spoken girl, Modesty Blaine (Mona Freeman). They enter into a partnership — to sell cats to a mining camp overrun by rats. But rumor has it that most men lose either their lives or their money when dealing with this young beauty. However, Bret stands to lose both his life and his money, so he plots to save both.

Bart has trouble retrieving his poker winnings from thieves. But help is on the way — from the local Ladies Aid Society.

Bret Maverick runs into a notorious bunch of bank robbers; Cole Younger, Billy The Kid, Sam Bass, Jesse James, Frank James, Jim Dalton, Black Bart, Ben Thompson and Belle Starr. The outlaws believe that Bret is the infamous Foxy Smith, a well known bad guy. When the outlaws discover Bret's true identity, they force him to do the robbery in Denver. Bret ends up in a mint of trouble.

After a rebuff by mysterious Linda Burke (Joanna Moore), Bart is left holding the bag — for murder.

Bret finds himself one of three men secretly defending a deserted government fort against War Hungry Indians. Maverick succeeds in scaring them off by clever trickery. But a suspicious Indian chief (Paul Clarke) causes him to reconsider.

Bart Maverick, for whom cowardice is a virtue, ""turns yellow"" when he learns that his friendship with a tycoon could cost him his life.

When George Henry Arnett hears that Bret Maverick is in town to collect his money, Arnett (Adam West) starts a ""top gun"" rumor about Bret. After he creates a smoke screen, Arnett creeps out of town. Maverick is idolized by the town youngsters, sought after available women and hunted by the town bounty hunter. Bret Maverick is the talk of the town.

Bart swings into trouble when he tries to help the cavalry uncover a traitor — and winds up facing a hangman's rope.

Bret is gired by a weathly texan to save her brother Mark from a conniving woman named Melanie. Posing as a Texas Colonel, Bret realizes that he's up against a master crook. With Mark's help and brother Bart's arrival as a weathly Easterner, they set up a scheme to catch the girl and almost outsmart themselves with their own cleverness.

Taking shelter in a ghost town, Bart impatiently awaits a storm's end. But when four gunmen arrive, he fears he'll never get out alive.

After saving Bret's life, Johnny Rain (William Reynolds) is arrested for robbing a stage coach. While Bret goes to his rescue he becomes ensnarled in a plot that involves a case of split personality. a dance hall wench and a mild-mannered Tinhorn gambler who likes to leave 'em laughing--with hysteria.

Bart Maverick wins big, when he wins the ""Lucky Lady"" saloon in a card game. When Bart goes to Santa Leora to stake his claim, a beautiful Marquesa refuses to relinquish the property to him. Maverick encounters hurling knives, flurry of bullets and pounding fists when he tries to hold onto his newly acquired saloon.

Bret is one of the seven owners of a Riverboat who start down the Mississippi for Memphis to sell the broken-down craft, but soon in a deadly game of 10 Little Indians one owner after another is found mysteriously dead. It becomes apparent that if the boat does reach Memphis, it's almost certain it will have but one owner.

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.

A beautiful widow (Julie Adams) asks Bart to protect her from an unknown killer. He accepts — unaware that he is the intended victim.

Maverick tries to straighten out his romance with Ellen Johnson and at the same time solve a million dollar jewel theft. When Bret finds out that his ardor has cooled, he also finds that he has become the prime target for a ruthless murderer and a man who refuses to stay dead.

Bart Maverick is running for office, he is a sure candidate for U.S. Senate. Bart's political ambition has some town's people out for his blood. His opponents will go to any length to stifle his political aspirations; they threathen his life. Fearful of his opponents, Bart finds a way out of the election, without letting the voters down.

Bret wins a sheep ranch located in the midst of cattle ranchers whose sole aim is to wipe out the sheep — and their new owner.

Hired to protect a cattle drive, Bart dutifully chases Indians — while a masterful swindle takes place right under his nose.

A $10,000 temptation puts Bret unwittingly in the middle of a fantastic smuggling scheme.

Bret is fighting a murder charge. But when he meets his lawyer — a numerologist, astrologer and bungler — he knows his number is up.

Bank robber Big Ed Murphy is at his wit's end: someone keeps beating him to the loot — and that someone is Bret.