COLORADO SUNDOWN: A Texas rancher who is trying to help a friend with a ranch he inherited, becomes involved in a murder. THE BIG SHOW: The Big Show was filmed on a modest budget but Republic gave it a much more elaborate look for the money. In this western Gene Autry plays dual roles. When cowboy star Tom Ford (played by Autry) disappears, his screen double (played by who else but Gene Autry) impersonates him for the movie studio. COME ON RANGERS: The Cavalry calls a band of Texas Rangers back into service to combat outlaws. WILD COUNTRY: U. S. marshal Eddie Dean takes out after the dirty low-down I. Stanford Jolley, who's wanted for the murder of a sheriff and now has his gun-sights set on the dead man's daughter.