Arthur decides to write to a Turkish boy named Adil who is looking for a pen pal after reading his dad's letters from Japan. He isn't sure what life is like in Turkey, so to give him an idea, he looks at Buster's comics set there. However, these give him a stereotypical picture of there, and Adil is confused when Arthur asks him about his camel, tent, or the taste of lamb's eyes. Arthur finds Adil's email address and they find out that they are alike in many ways.
Mr. Frensky takes several of the girls on a mountain trail hiking trip at Moose Mountain. Fern believes that it's where her hero, Zutzut. went to. She and Francine clash personalities on the way up and end up getting separated from the group. They have to learn to work together and end up as the only ones that make it to the top of the mountain.
After saving Rattles from getting hurt in a dangerous stunt and not getting thanked for it, Binky is shown in a dream, what the world would be like if he decided to never be nice again with Uncle Sam the wrestler. It ends with his parents leaving on a cruise without him, and without leaving him money, food, or water. Realizing that his mother does a lot of things without getting thanked, he decides to do her chores for her and alongside a thank you card.
Arthur begins a snow shoveling business to make some extra money. He allows Buster to join but he hardly does any work and expects to earn more money. They argue and Buster decides to start his own snow shoveling business and they have to compete to keep their customers.
The Brain has a dream in which he becomes a bug to see how his friends really see him (as someone who bugs them all the time). He decides to never speak or to help them again, but soon learns that that might not be the best solution to his problems.
Fern tries to write a story that matches up to Mary Shelley's novel Frankenstein. She completes it and when she reads it to her friends they are horrified and frightened while refusing to talk to her, fearing another story as fear inspiring.
D.W. and Binky are paired up together for a school project. He teaches her how to dance, but thinks she is not doing well. Molly and Rattles then wants to learn "Kung Fu Young" (ballet). This time, they both point out Binky's mistakes. After days of practicing with a reformed curriculum, he teaches D.W. how to spin, but he ends up with a twisted ankle. She has to do the recital herself, although she does not have enough courage.
Francine and her friends pick on George due to his constant nosebleeds. But when she suddenly vomits in the cafeteria during lunch, she learns a hard lesson about teasing others when she and George discuss their embarrassment.
The Sugar Bowl is going out of business and a fast-food chain called Chickin Lickin' is trying to buy it. Sue Ellen immediately goes to the Sugar Bowl's defense, but her friends ignore this crisis. She, Binky, and Buster protest at the new location opening at the mall but with no avail.
On a super-hot day, Arthur and his friends get into a complete war over each other's desks involving the seats by the fan. Everyone except George fights over with consequences. After Mr. Haney gets slapped by a moldy sandwich, they clean up the room and goes to Muffy's pool party.
D.W. sells Arthur's teddy bear, Stanley, at the garage sale. He regrets this decision and goes on a search. Later, after the commotion, he gives him to Mrs. Tibble, who has a room full of stuffed animals.
Muffy tries to build a beach house for her dolls. Owing inspiration from an exhibition of the work of Arthur Ganson, she and Bailey build kinetic sculptures. The exhibition is a success and Ganson shows up to install "Machine with Wishbone", whom was bought by Mr. Crosswire. He sees Muffy's beach landscape and tells her that it is art.
Emily tells D.W. how she felt when a boy kissed her on vacation, and D.W. begins to wonder what it feels like. When James kisses her, though, she realizes that she may be too young to fully appreciate it, and Emily told her that it was a kiss on the hand.
D.W. overhears a curse word said by a teenage boy, but she's afraid if she says it, something will break. The Tibble Twins tell her if she says it, anyone will become her zombie servant. She tests this on Vicita, only to get in trouble, but her mom does not punish her because she did not know what it meant. She then decides to talk to her friends about cursing.