Broken Arrow is a Western series which ran on ABC-TV in prime time from 1956 through 1958 on Tuesdays at 9 p.m. Eastern time. It told a fictionalized account of the historical relationship between Indian agent Tom Jeffords (John Lupton) and the Chiricahua Apache chief Cochise (Michael Ansara).
This episode "The Mail Riders" aired 9/25/1956 and has the original commercials.
The Apaches have been attacking every mail rider going through their territory. Jeffords decides the only way to stop them is to ask Cochise himself.
Broken Arrow s01e01 The Mail Riders