Day of the Evil Gun(1968)

Lt. Col. Kirby Yorke is posted on the Texas frontier to defend settlers against depredations of marauding Apaches. Col. Yorke is under considerable stress by a serious shortage of troops of his command. Tension is added when Yorke's son (whom he hasn't seen in fifteen years), Trooper Jeff Yorke, is one of 18 recruits sent to the regiment.

'The Oilprince' is an unscrupulous businessman. He looks forward to a lucrative deal with the "Western Arizona Bank'. He sells the bank oil wells at Shelly Lake that do actually not exist. The Oilprince learns that the colonists would like to settle at Shelly Lake. So The Oilprince exchanges the scout of the settlers by one of his minions to give them another route. But soon The Oilprince has to recognize that he has not counted on Winnetou, the righteous leader of the Apaches, and his blood brother Old Surehand.

Abahachi, Chief of the Apache Indians, and his blood brother Ranger maintain peace and justice in the Wild West. One day, Abahachi needs to take up a credit from the Shoshone Indians to finance his tribe's new saloon. Unfortunately Santa Maria, who sold the saloon, betrays Abahachi, takes the money and leaves. Soon, the Shoshones are on the warpath to get their money back, and Abahachi is forced to organize it quickly.

It's 1885 in Arizona and an Army Captain has dispersed his troops to keep the whites off of Government land thereby keeping the peace with the Apaches. But there are those in Tucson that want the miners back looking for gold and they put pressure on officials in Washington. Soon a new commander arrives, the troops are recalled, and the miners go after gold. Whites then kill a miner with an arrow so they can attack the Indians hoping the troops wipe them out when they retaliate.

Rollins' gang wants to grab land by inciting the settlers in a war against the Indians but Winnetou and Old Shatterhand try to keep the peace, until Rollins frames Winnetou up for the murder of Jicarilla Chief's son.

Army despatch rider Hondo Lane discovers a woman and her son living in the midst of warring Apaches, and he becomes their protector.

Old Surehand and his faithful old friend Old Wabble are on the trail of a cold-blooded killer with the nickname 'The General'. The brother of Old Surehand was murdered by him. On the way Old Surehand and Old Wabble are involved in the running conflict between settlers and Comanches who are likely to go on the war path. Old Surehand can count on the support of his friend and blood brother Winnetou, the amiable chief of the Apaches. Written by Robert

Renegades trying to get the army to abandon their fort get the Indians addicted to whiskey, then convince them to attack and drive out the soldiers.

Fred Engel's father is murdered by Colonel Brinkley in order to acquire a treasure map, however the Colonel only acquires half of it, the other half as held by Mrs. Butler. Discovering the scene of the crime, Old Shatterhand and Winnetou help Fred bring his father's murderer to justice and locate the treasure of Silver Lake.

In Apache territory, a supply Army column heads for the next fort, an ex-scout searches for the killer of his Native wife, and a housewife abandons her husband to rejoin her Apache lover's tribe.

The construction of the Great Western Railroad creates heavy conflict between the railway company and neighboring Indian tribes. Worse, criminal gang leader Santer sets his eyes on a gold mine located on holy Indian land and influences the construction supervisor to re-rout the planned railroad straight through Apache land. Old Shatterhand, who works as a measurement technician, discovers the evil plan and searches contact with the Apaches in an effort to avert war.

Forester, a ruthless oil baron, wants to create a war between the native American tribes and the white men. Old Shatterhand, Winnetou and their sidekick Castlepool try to prevent this.