The Great Adventures of Wild Bill Hickok 1938 is a Columbia movie serial. It was the fourth of the fiftyseven serials released by Columbia and their first western serial. The serial was the first from a new production company, the previous three serials had been produced by Weiss Brothers.
The name of Wild Bill Hickok stuck with Bill Elliot so much that Columbia made a series of Hickok westerns with him.
Source: Wikipedia