There is a go-kart race coming up, and Cromer decides Harold should enter. He soups up Harold's riding cart, adding a real engine to it which he removed from a school tractor. After they test it and balance out the defects, it's all ready for the race. The coach tries to tell Cromer Harold can't enter due to safety regulations his cart does not pass, but Cromer retaliates by threatening to tell the principal about some "funny things" Cromer found on the coach's browsing history in his office. Even though he's just making that up, the coach falls for it and backs off, allowing Harold in.