When Helga loses her pink book, full of love poems about Arnold on the bus, it ends up in Arnold's hands. Now Helga must get it back before Arnold figures out who wrote the poems.

Arnold's hat lands on the stoop of "Stoop Kid," - a bully who has lived his whole life on his stoop, and is highly protective of it. But, when it's Arnold's fault that Stoop Kid becomes the joke of the city, he must help Stoop Kid face his biggest fear - leaving his stoop for the first time.

Arnold's favorite baseball player is playing his last game, so he decides to go and see his last game. The only problem is that he winds up with terrible seats.

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.

Arnold and friends decide to clear out a vacant lot to play baseball on, but the adults take over it, and use it for their own reasons.

Arnold and Gerald go around the city following "Porkpie", a mysterious man caught on film. They suspect, because of the clues, that Porkpie are planning to kill "Marty", who turns out to be Mr. Green.

As punishment for shoplifting a ham, Harold is forced to work for Mr. Green at his butcher shop for a week. Later, after his work shift to pay for it is over, he soon learns that he actually likes his new after-school job and doesn't want to stop working there, much to the dismay of Mr. Green.

Arnold is in charge of the school dance. He books has-been singer Dino Spumoni, and when he sings a depressing "good-bye" song, all fingers point at Arnold.

Crisis strikes when Gerald's little sister, Timberly, eats a stock of chocolate turtles that he and Arnold are supposed to sell for a local scout organization.