Knight of the Plains (1938)
Peterson has a plan to obtain all the ranches in the valley. He gives Carson a phony Spanish land grant and has him pose as the Mexican owner. When Fred and Fuzzy have their cattle stolen by Peterson's men, they quickly become involved in the scheme.
Directed by: Sam Newfield
Starring: Fred Scott, Al St. John, Marion Weldon, John Merton, Richard Cramer, Frank LaRue
Links: IMDb, Movie posters, Movie stills