The Simpsons 8th season Easter Egg - Disk 2

Pop in disk 2 of your Simpsons 8th season dvd. Select the extras for "The Twisted World of Marge Simpson". On your dvd remote press the number 9. enjoy! But wait,there's more! Once your done with that one, go to the extras for "mountain of madness". Then press 9 again and enjoy once more!