The Lightning Warrior is a 1931 American Pre-Code Mascot movie serial starring Rin Tin Tin in his last role. It is regarded as one of the better Mascot serials. A number of the production's outdoor action sequences were filmed on the rocky Iverson Movie Ranch in Chatsworth, California, known for its huge sandstone boulders and widely recognized as the most heavily filmed outdoor shooting location in the history of the movies.