गूफ़

When the kids are counting the votes, the count of votes on the chalkboard do not match what Schroeder is saying.

When Snoopy is crying after getting his finger stuck in the binder at school during the Joe Cool song, tears are coming from his forehead, not his eyes.

After Snoopy is thrown out of school, the snap sound of the notebook is heard before it snaps onto his toe.