The Adventures of Frank Merriwell (1936)
A 12-episode serial in which scholastic sports star Frank Merriwell leaves school to search for his missing father. His adventures involve a mysterious inscription on a ring, buried treasure, kidnaping and Indian raids. He saves his father and returns to school just in time to win a decisive baseball game with his remarkable pitching and hitting.
Directed by: Clifford Smith, Lew Landers
Starring: Donald Briggs, Jean Rogers, John 'Dusty' King, Carla Laemmle, House Peters Jr., Herschel Mayall Jr.
Links: IMDb, Movie posters, Movie stills