Easter Eggs:

Simpsons Season 1:
On disc 3, go to the "Art of the Simpsons" menu and click on Bart's comic book. You will then be treated to a gallery of Simpsons magazine covers.

Also on disc 3, on the second page of the "Extra Features" menu click on Bart's T-shirt, and you'll find a news report about "The Simpsons" T-Shirt controversy.

On disc 4 go to the storyboard for "Bart gets an F" in the Special Features section. Highlight and select the post-it note and you'll get to see the storyboard for a deleted scene in that episode.