Bret Maverick is a gambler who would rather con someone than fight them, and needs an additional $3k in order to enter a winner-takes-all poker game beginning in a few days. He joins forces with a woman with a marvelous Southern accent, and the two try and enter the game.
The final installment finds Marty digging the trusty DeLorean out of a mineshaft and looking for Doc in the Wild West of 1885. But when their time machine breaks down, the travelers are stranded in a land of spurs. More problems arise when Doc falls for pretty schoolteacher Clara Clayton, and Marty tangles with Buford Tannen.
When a wealthy sheikh puts up $1 million in prize money for a cross-country car race, there is one person crazy enough to hit the road hard with wheels spinning fast. Legendary driver J.J. McClure enters the competition along with his friend Victor and together they set off across the American landscape in a madcap action-adventure destined to test their wits and automobile skills.
A recently released ex-convict and his loyal wife go on the run after a heist goes wrong.
Posing as a hangman, Mace Bishop arrives in town with the intention of freeing a gang of outlaws, including his brother, from the gallows. Mace urges his younger brother to give up crime. The sheriff chases the brothers to Mexico. They join forces, however, against a group of Mexican bandits.
Mame Dennis, a progressive and independent woman of the 1920s, is left to care for her nephew Patrick after his wealthy father dies. Conflict ensues when the executor of the father's estate objects to the aunt's lifestyle and tries to force her to send Patrick to prep school.
Whenever it becomes known how good he is with guns, ex-gunman George and his wife Dora have to flee the town, in fear of all the gunmen who might want to challenge him. Unfortunately he again spills his secret when he's drunk. All citizens swear to keep his secret and support him to give up his guns forever -- but a boy tells the story to a gang of wanted criminals. Their leader threatens to burn down the whole town, if he doesn't duel him.
As a result of nuclear testing, gigantic, ferocious mutant ants appear in the American desert southwest, and a father-daughter team of entomologists join forces with the state police officer who first discovers their existence, an FBI agent and, eventually, the US Army to eradicate the menace, before it spreads across the continent — and the world.
Alice, the only relatively normal member of the eccentric Sycamore family, falls in love with Tony Kirby, but his wealthy banker father and snobbish mother strongly disapprove of the match. When the Kirbys are invited to dinner to become better acquainted with their future in-laws, things don't turn out the way Alice had hoped.