Pioneers of the Frontier (1940) is a Western film that follows wild Bill Saunders discovers that his uncle Mort has been murdered by an unscrupulous ranch foreman, Matt Brawley. But before he can right Brawley's wrongs, Wild Bill is arrested for a murder he didn't commit. Sidekick Cannonball Sims and disgruntled girl rancher Joan Darcy plot to break Wild Bill out of jail but Brawley is wise to their plan. Pioneers of the Frontier is not currently listed with streaming providers in your selected region, but availability can change over time. It has a user rating of 9.0 out of 10 from 1 votes. Fans of western movies may also want to explore similar titles below.