On the Home Economic door "A113" can be seen. A113 is a reference to a classroom used by Graphic Design and Animation Students at the California Institute of the Arts. Some famous students include John Lasseter and Brad Bird.
The "Little Dude" segment depicts one of the three girls, Stephanie, as a silent character. But ironically, the only time she actually speaks is when she, Kirsten, and Pamela shout an exclamation in unison when they notice the truck in which Tommy was placed drive away with him still in the back of it.