This penultimate episode determines which of the incredible fighting machines makes it into the grand final, along with the final two robots to compete in the Ten Robot Rumble. The competition in the final heat is fierce with Thor, Coyote, Expulsion, Hobgoblin, Push to Exit and Magnetar all battling it out in the bulletproof arena. Along the way, they must dodge arena hazards, menacing house robots and the all new Fog of War.