Suave gambler Clay Watson, cocky sharpshooter Moses Lang, and wily thespian Edwin Kean are a trio of criminals in the Old West. The motley threesome are forced to form an uneasy alliance in order to find $400,000 dollars in stolen money.
Two famous gunmen, Lord and Bull are called to a southern western town by a judge to retrace a gold reserve, worth $500.000 which was hidden in the last days of the Civil War, by a Confederate colonel and people have been looking for it ever since.
A Civil War veteran is amnesic after being shot in the head. When he returns to his hometown, he finds out that he has been declared a deserter. The local judge offers him a chance to clear his name, but he only wants to send him against some dangerous outlaw and his gang.
Ken Dakota's search for the murderer of his brother, killed by bandit Gary Stevens, at the behest of land owner Chris Malone. Dakota attempts to bring the men responsible for his brothers death to justice.
Clive Norton is a young captain ordered by his superior to recover two shipments of stolen army payroll gold. Clive enlists the help of Ted Hunter, a condemned prisoner whom he has released. They soon discover that two different gangs are responsible for the robberies...
Jesse W. Haywood (Don Knotts) graduates from dental school in Philadelphia in 1870 and goes west to become a frontier dentist. Penelope "Bad Penny" Cushing (Barbara Rhoades) is offered a pardon if she will track down a ring of gun smugglers. She tricks Haywood into a sham marriage as a disguise. Haywood inadvertently becomes the legendary "Doc the Haywood" after he guns down "Arnold the Kid".
William Shatner plays two roles: cowboy Johnny Moon and his ruthless Indian twin brother, Notah. Notah likes peyote and gets the crazy idea that he's the Comanche messiah sent to lead the Comanche nation against the white man but more specifically the dusty desert town of Rio Hondo. Moon, estranged from his brother, decides to stop Notah either by words or by bullets.
In the latter half of the 19th century, gold is discovered in the Black Hills, sacred land of the Lakota people. Gold diggers, profiteers and adventurers flock to the region. Among them is the hard-hearted land speculator Bludgeon, who tries to expel the Lakota using brutal methods. Lakota warriors retaliate, and soon the gold diggers' town becomes a battlefield.
The Stranger comes across some bad guys trying to kill a Japanese emissary for a very important scroll. Before the emissary dies, he asks The Stranger to return the scroll to Japan. Once there he finds himself stuck in the middle of two rival clans and decides to play them off one against each other to free the town.
Ken, son of a former samurai settles with his family in the west from Japan. Soon his family is killed in front of him by stagecoach robbers, making him aim to get revenge. Marvin an experienced gunman befriends Ken and becomes his mentor.
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.
Pulled into the Mexican Revolution by his own greed, Texas gunrunner and pilot Lee Arnold joins bandit-turned-patriot Pancho Villa and his band of dedicated men in a march across Mexico battling the Colorados and stealing women's hearts as they go. But each has a nemesis among his friends: Arnold is tormented by Fierro, Villa's right-hand-man; and Villa must face possible betrayal by his own president's naiveté