Bonus Feature:

Disc 4: Press your Up button from the Main Menu. A question mark will appear on the orange booth. Press your Enter button for video of the Simpsons ride at Universal, Orlando.

Deleted Scenes:

Here's a list of episodes that have easter egg deleted scenes, to access them you have to click the items listed in the top panel: Beyond Blunderdome (2) Crystal Ball and Notepad Hello Gudder, Hello Fadder (1) Crystal Ball Eight Misbehavin' (1) Crystal Ball Take My Wife Sleaze (1) Crystal Ball Little Big Mom (2) Crystal Ball and Notepad Faith Off (1) Crystal Ball The Mansion Family (2) Crystal Ball and Notepad Sadlesore Galactica (1) Crystal Ball Alone Again Natura-Diddily (2) Crystal Ball and Notepad Bart to the Future (1) Crystal Ball Days of Wine and D'ohses (1) Crystal Ball Kill the Alligator and Run (1) Crystal Ball, though it's actually A Promo Card. Last Tap Dance in Springfield (1) Crystal Ball Behind the Laughter (2) Crystal Ball and Notepad

All easter eggs were generously submitted by SirDonk