One day Dr. Ivan Walnuts turns evil and steals seven robots to take over the world. Emon remodels Sukapon into a fighting robot to take on the robots. He fights them and turns them back to good, but Ivan creates more robots.
Eventually he defeats all the bad robots and boss robots, to finally take on Ivan and his ultimate creation Houou. After a long and hefty fight, Houou is destroyed and Sukapon is remodeled back into a comedian robot.