In the Ham-ham Clubhouse episode, it said that was Laura's first day of school, this episode also said this was Laura's first day of school. Was Laura entering different grades? This is so confusing.
While the ham-hams were singing the Hamtaro theme song, Penelope couldn't because she could only say "Ookyoo."
Maxwell: It is time to do roll call. Ham-Hams: (at once) I'm here! Over here! Present!
Maxwell: (sighs) I guess studying and hamsters just don't go together.
Boss: Why do I even hang out with you, Oxnard? Oxnard: Uhh...because I'm so charming?
Mr.Yoshi: Cluttered desk, cluttered mind. We'll have to give this student a severe talking to. Oh, wait, this is my desk.
Snoozer: Hamsters need school as much as fish need bicycles.
Howdy briefly opens his eyes all the way in this episode. It happens when he turns and sees that Maxwell is furious at him for ripping his referee card.
First appearance of Laura's teacher, Mr. Yoshi.
Part of the Hamtaro opening theme is heard and sung towards the end.
At the Ham-Ham "school", the story Maxwell tries to tell to the other hamsters is the legend of Momotaro ("Peach Boy").
In order to evade the attention of Laura's teacher, Hamtaro, Boss, and Oxnard try to pose as a "maneki neko", or "beckoning cat", figurines (right next to a genuine one, no less)
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