It's Timothy's first day of School, but one of Timothy's new classmates, Claude, questions him on his clothing choices.
Yoko feels like an outcast when she is teased about her Japanese lunches. Mrs. Jenkins decides to sort this out by holding an "International Food Day".
Fritz makes a big mess and blames all of it on "the mess fairy". However, once the Franks find out about it, Fritz must own up.
The children at Hilltop School run a Sports Day, but Claude and Grace are the only ones who care about winning.
Nora is reluctant to change her room or any change for that matter.
Charles' shy nature proves to be problematic at times, but when he ends up in a problem that he needs to solve on his own, it's Charles to the rescue!
The children respectfully show Lilly how she can remember everything.
Frank #1 has a fever and has to stay at home, and Frank #2 feels lonely.
Doris likes to paint abstract art, but the only person that she knows who appreciates it is Charles.
After hearing that the mischievous Frank twins are coming over for a sleepover, Timothy hides his favorite stuffed toy penguin as he thinks that the Franks will make fun of him.
When Mrs. Jenkins plans to construct a Music Tree and plans a spring symphony with Yoko as the lead cast, Yoko gets stage fright.
It's Team Project day at Hilltop School, and Timothy partners himself with Claude, but Claude refuses to let him to do any of the work.
Yoko grows a Japanese Sakura plant, but soon starts to grow impatient. She learns that patience can make things grow faster than you think.
When Mrs. Jenkins holds a Talent Show, Grace is excited to perform her dances. However, after revealing that she has sprained her ankle, she is distraught about not performing. However, she realizes that her replacement role as director ends up being the most important role of them all.
Nora is scared of Dinosaurs, which proves to be problematic when the class go on a field trip to the museum to see the dinosaurs.
Hilltop School borrows the library's Goldfish while it is closed. Lilly wants to look after the fish, but her classmates are skeptical about her remembering to look after it. However, when a snowstorm closes the school and freezes the water supply, Lilly comes to the rescue.
Timothy uses his new Red Thunder in a School Safety Day, but after experiencing Doris' brothers doing BMX skills afterwards, he learns why safety is important.
The children have to put together a jigsaw puzzle for a picnic in an hour, can they complete it in time?
Doris unsuccessfully tries to show responsibility while looking after Lilly on her first snowfall.
Timothy's friendship with Yoko becomes strained as Yoko has to practice her ballet recital with Grace.
It's the summer, and Claude is finding excuses not to swim. When Timothy finds out he can not swim, he takes it upon himself to teach Claude how to.
Timothy cannot think of anything to teach the children at school. Can his marble games help?
The children at school split themselves into a boys-only Treefort club and a girls-only sandcastle club. However, they soon get bored.
When Mrs. Jenkins has an injury, Miss Appleberry fills in as their substitute teacher. While everyone makes a get well soon card, Fritz is making something different with bugs, leftovers and worms. What unusual thing is he making?
It's Charles' turn In the Spotlight, but his shy nature proves problematic, and he needs Timothy's help.
When Timothy finds out that Fritz is moving away, he is very upset. Mrs. Jenkins shows him many ways to make him feel better and see Fritz again.