Eugene's Birthday: When Eugene's birthday parties are a bust, he begins to think that Arnold is a jinx, and Arnold tries to prove him wrong by throwing a perfect birthday ...

Eugene's Birthday: When Eugene's birthday parties are a bust, he begins to think that Arnold is a jinx, and Arnold tries to prove him wrong by throwing a perfect birthday ...

Eugene's Birthday: When Eugene's birthday parties are a bust, he begins to think that Arnold is a jinx, and Arnold tries to prove him wrong by throwing a perfect birthday ...

Eugene's Birthday: When Eugene's birthday parties are a bust, he begins to think that Arnold is a jinx, and Arnold tries to prove him wrong by throwing a perfect birthday ...

Eugene's Birthday: When Eugene's birthday parties are a bust, he begins to think that Arnold is a jinx, and Arnold tries to prove him wrong by throwing a perfect birthday ...

Casa Paradiso: Tired of the boarders' complaints and snarkiness, Grandpa plans to sell the boarding house and move to a tropical resort with Arnold and Grandma. Will Arno ...

When Helga's older sister, Olga, comes home from college and gets all of her parents' attention, Helga plots to sabotage her sister's visit. Arnold and Gerald save up cer ...

Operation Ruthless: Helga finds out about Arnold's love for Ruth and his plan is to meet her at the Annual Cheese Fair, and Helga makes sure Ruth will never meet him, in ...

With fourteen beautiful inches of powdery snow, a blizzard has transformed Arnold's city into a winter play-land. But with the list of chores Grandpa has handed him, it c ...

Arnold's Hat: Helga is determined to get Arnold's hat in order to complete a sculpture she's making of him made out of his chewed gum. When Arnold won't go out of his roo ...

Animals are being stolen from research labs. The Planeteers must find out who is doing that and why. The truth may shock them. ...