Kids, shine your astro spurs and don your robot fists, 'cuz it's time for our (first) thrilling feature, Sparks Nevada, Marshal on Mars! Justice rides a rocket steed across the plans of the fourth planet, where one man brings fear to robots and aliens and hope to humans who make this frontier planet their home. He is Sparks Nevada, Marshal on Mars!
A featured segment of The Thrilling Adventure Hour, an old timey live theater show/podcast featuring an all-star cast created and written by Ben Acker and Ben Blacker. Wiki