The daily life of Arnold--a fourth-grader with a wild imagination, street smarts and a head shaped like a football.
Arnold has a really bad day - the city is suffering from a heatwave, and whatever he does, Arnold just can't seem to get cool.
At the Annual Cheese Fair, Helga tries her best to keep Arnold well away from Ruth - a girl who Arnold has a crush on.
Arnold attempts to do something that no other kid has done before - completing the entire list of a kid's perfect Saturday! But, unfortunately, things don't go quite to plan.
When Arnold gets mugged in the street, Grandma teaches him how to defend himself, but the training and fighting starts to get to his head.
All of the boarders get very curious to what is inside the very personal Mr. Smith's package.
While Helga tries to find the perfect gift for Arnold, Arnold tries to find Mr Hyunh's long-lost daughter.
