In "The Giant Killer" (March 3, 1959), Patricia Barry plays the recently widowed Doreen Bradley who with the assistance of Sugarfoot exposes to a grateful town the corruption and cowardice of Lou Stoner (R. G. Armstrong), a leading candidate for a territorial governorship but not before she threatens to blow up the town hotel. Stoner murdered Doreen's husband but with no witnesses to the crime. Russ Conway plays the town marshal. Dorothy Provine, John Litel in his second appearance on the series, and child actor Jay North of "Dennis the Menace" are cast, respectively, as Ada, Mr. Crenshaw, and Bobby.