Spy Smasher vs. The Purple Monster (1964)

Traveling from Mars, The Purple Monster (played by Ken Henricks) , along with his henchmen, plan to take over the world. The Earth's best defense is Alan Armstrong (played by Don Glut) as the Spy Smasher. Through this exciting four part serial, Armstrong battles The Purple Monster, with each part ending on a cliffhanger, Armstrong in a life and death struggle to save himself.