* Snoopy's relationship with Charlie Brown throughout the film. Although there's the usual strife between them at the outset ("Why can't I have a normal dog like everybody else?"), Snoopy helps Charlie Brown succeed in the second round of the spelling bee (happening by the school building, he stands at the window and plays a jew's harp to remind Charlie Brown of the song he and Linus sung the night before to remember the spelling rules) and ends up cheering him on in the final round. Plus, there's the moment when, reuniting in New York City, they rush delightedly into each other's arms and proceed to dance happily together.
* When Linus and Snoopy surprise Charlie Brown at his hotel room, both Snoopy and Charlie cheer, "''Hey!''" and joyfully dance and hug. That's a huge difference from the usual indifferent attitude Snoopy shows towards his "Round-Headed Kid" in the comic strip.
* Easy to miss, but when Linus visits a sulking Charlie Brown, he mentions everyone missed him at school. Keep in mind it was the day after he felt he disappointed everyone at the National Spelling Bee.
* Even before the Spelling Bee, Charlie Brown is the most popular kid in school, when you think about it. Even when being taunted, he's still the kid everyone knows and likes.
* Rod [=McKuen=]'s [[https://www.youtube.com/watch?v=-JcsDVsCIw8 title song]] for the film is SugarWiki/SweetDreamsFuel incarnate.
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