On disc 2, from the Main Menu access the 'Special Features' option. Now select 'The Critics Commentaries'. Now, press UP to highlight the 'lights' and change the colors. Press ENTER to reveal DVD credits for the featurettes and commentaries!
This easter egg was generously submitted/corrected by Satelk
go to "Special Features". From this screen go to the "K-Billy Radio Interactive Radio". From this screen select the station on the far right and click enter on your remote. You will then see a very funny reinactment of the ear cutting scene as performed by dolls, with the actual scene playing in a little box at the top of the screen.
This easter egg was generously submitted/corrected by Marino