Smash and Grab, two robots who live on a futuristic Mars-like planet, have spent all of their lives working in a futuristic steam train fueled by glowing rocks. One day, Smash notices that there is a world outside the train, and he tells Grab; however, they are held back by their power cables. Smash then discovers that other robots, outside the train, use spherical, crystallized energy-powered batteries. Watch and find out what happens next!
